THUYET MINH ĐỒ ÁN TỐT NGHIỆP

ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN

PHẦN II: KẾT CẤU 5
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
#! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!$%
&! '( !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!&&
" ) !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*
% +&!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!$,
   -)+.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!/0
1,2,"3456!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!$$
78) 9,*,#,,#,9:;7, TRANG 1
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN
  +
I. MỞ ĐẦU
9 <=>?>@=?A>BC?DE?FG<=GươH?>2Eớ>Gố4@=C@=IGJ=K??GLEấ
đề4=MNG<=4?K4G?FO=PHKH?FE?P@BQ<?PGRK4STK42ấGH?F4?K4G?FO=P
4=KU?IV=P@=I?F=P=QW>!BX@?KOK@A4T4?QT?FN
@=QGF>OTFAOEK>4?NYT?@=IGJE?FGLLYTD=?A44T4TN?
?F=P24?QO?N>>?N>G=N?5=CGV=PZTEA4G<==C>=I@BX>?N>YTDBPGE?P@BQ
4?POR?K4EBQ>N5K>4=4?K4=C4=KGT?COG<TRL34=I4K4?FK42
F>H?F54=I?[H24=I?I\6@?IDH?F?>DBIT4?QT4?QO?N>GA4>BC
V=V=4TF5=CGHTK4!
9 T4T4D]K44T]4WH?F5=CGG<=]>?N>O?KO=KOO?Q
>?N>YTDBPG@=QGF>?>E>BC4@?]=K>NG<BI!
II. VỊ TRÍ XÂY DỰNG VÀ HIỆN TRẠNG CÔNG TRÌNH
1. Vò trí xây dựng
T4D]K4 9!=QW>@A4S?IDUAG<BIZT@?PG?^5N
F$_YT?C'L?A9G?FO=P=QW>!
$! Hiện trạng công trình

9 TD]K42@?KOKT4?QT?[N2V>=?AG4=4?K4=CVNUTA
4=IG<L2ZT@?PGVNUTAE?F=5TA4@W44=MN4=V=PU?I4TDBX4E?FG?A=
@>BQTZ>BCYTD=?A4ZTNG<=G?FO=P!
9 T@?PG4=K@TNU>BCGW4@BXYTD=?A4?AG?Q4VN>?=G=I=C>R=C2
@>BC2K424?IDS?24?K4UJ4ETAZ?K4!!!
III. ĐẶC ĐIỂM CÔNG TRÌNH
1. Qui mô công trình
9 =IG<L?^5G<=5=CGZTYT>=?A4U?I4EK>>BQT4T42E?P@BQ
G>BPGZBPE?FYT>=?A4Z>BPG<TK44TN?4=IG<L4T]O?N>@A4YT?G?I5!
9 =IG<LS?IDUA=Q5G?Q?Q5E?F,G?QG<BI!
9 ]G=IV=PEBQ4=IG<L
` =X4>BQT4?=4=IG<LH?F#"53GWGF4=PG
0.000
±
6!
` =X4>BQTU?F>4=IG<LH?F#/52G=X4>BQT<=CH?F05!
` ?Q?Q54?=#2,5E?FG?Q4?=#2$5@A4UTFH?F5R?]>@BXSB2G<?A5
R52G<?A5@>BC2O=FR?N=EBC2?FZ=!
` ?K4G?Q$9,4?=#2$52R?==Q54?K44?[=CE?F?F>]G<BN!
` BPG4?PT5?K>VNUTA'2STYT?4=KVBI=IRBIG=I4=PGGBKO@BXGT
K4!
` BPG4?PTRBXK45?K>R?^'@A4@?aGG<BIV?IGA!
` <?Q@=KG?P5A?=?E?[!
78) 9,*,#,,#,9:;7, TRANG 2
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN
2. Giải pháp giao thông
9 >?=G=I@K=?F4=IG<LVNUTA$G?5?KDE?F4?QTG?R=C!'BQ
<=C4?QTG?R=CH?F!$5@A4G>BPGZBP@?N5R?N=DBIT4?QTG=?KGF>?2
?G=?FZ>4=KVA4=PS?ND<?!=?F><?4=IG<L4=FR=PG<W5=CGG?G=?KG>BX5

RBI=?F>4=IG<L!?QTG?5?KD2G?R=C?FD@A4@?aGNEJG<WG<TG?I5
?^5@?N5R?N=Z=?N4?K4S??PG@BP4?QTG?b$,5@BX>?N>YTDBPGE>BC4
O=F4?KD4]?4?KD!
9 >?=G=I?'?==Q54?K4?FH?@>H?A>2V?N2>BI!
IV. CÁC GIẢI PHÁP KỸ THUẬT CHO CÔNG TRÌNH
1. Hệ thống điện
9 T=Q@>BC@A44T4?POGFT=Q@>BC4W4TN?G?FO=P!
9 BCG=PU?ID@>BCR?=YT?4=IG<LUK>U?AH?cOUAG<TA!
9 ?K4UTA4TAR?K=YT?KG?N>24?QTU?=GA@=C2BCG=P@>BQT=?F@>BC@BQT@A4
G<?RJ@?QD@TN!
9 BCG=P@FU?ID@>BC@A4R=PG<W?Q5G<=GFE?FV?F24=KBCG=PO?KG
@>BC<>BIOTA4ETA4=4=IG<LZ>4?QG>BPG!
2. Hệ thống cấp thoát nước
9 K4G<BI5?K>E?FUK>@?PG@A4U?MG<A4G>BPO2G?COG<TG?A>4?K4=P4WU?M<?
=?F>BCG=PG=?KGK44TN?4=IG<L!
9 BCG=PG=?KGK45?GF5?K>@A4U?MR?^=PA?@?G?d
ST=P=P?U?M<?=?F>BCG=PG=?KGK44TN?4=IG<L!
9 BCG=PG=?KGK4V>=?AG=?FG=?F@=C4H?COEK>BCG=PG=?KGK45?
G<BI5?K>!
9 ?K4G>BPGRJEBCV>@A4=P>EK>?TG?F5=CGBCG=PE?F@A4@?<?BC
G=PG=?KGK4G?N>4W4TN?G?FO=PG=IYT?5=CGBCG=PH=A4!
9 =QK45?K>4=KGBXGW43/S/S2"610%35
#
6@?N5R?N=4T4?PO@TNK44=
G=?FR=C4=IG<L!T=QK4?FD@A44T4?POGF?F5?KDK44TN?G?F
O=P<=Q>V?T@=KYT?BCG=PR5K4R5HBI=QK45?K>!
3. Hệ thống thông gió
9 e4?K4G?Q@BQT4=K4N?V=XG?A=VAG=IG=?KGA>BI!=IG<L4=KZ=?N
G<=PG=IG?Q?^5G?A=VAG=IG=?KGBI54=G=F??F?PGH?FNG?Q$
H?F>4=K5?CG@=CF>G?COG<T4?=?PG!+>BIG?Q?Q54=KR=PG<WGBI54?K4

ZBG=I>=KE?F4>BPTV?K!
4. Hệ thống chiếu sáng
9 ?K4O=FH?F5E>BC4G<BI4?K4G?Q@BQT@A44>BPTV?KGA>BIG=IYT?4?K4
4N?ZWR=PG<WRBI=?F>G=IEK>GA>BI!
9 =?F><?2BCG=P4>BPTV?K?IG?A=4T]@A4R=PG<WV?=4=4=KGBXOTN
@A4]4=M4?Q4>BPTV?K!
9 eG?A>4?K4H=P>@>HBIST=P4?QTG?2?FH?E?F?PGH?FG?Q?Q5@BQT4=KH?cO
@?aGGBI5@BF4>BPTV?K!
78) 9,*,#,,#,9:;7, TRANG 3
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN
9 =K5H?A>2G=?FR=CG=?F?F@A44>BPTV?KR?^?KV?KGA>BI3G=IYT?
4?K44N?V=X@A4H?cO@?aGR?^ZWO?NYT?N4?K45?aG4TN?G=F??F6E?FR?^
@>BC!
5. Hệ thống phòng cháy chữa cháy
9 e5=M>G?Q@BQT@A4R=PG<WG>BPGRJ4]?4?KD3E=F>4]?4?KDU?F>$,52RLSJG

$
!!!6!=?F><?2N5=M>O=F@BQT4=KH?cO@?aGG>BPGRJR?K=4?KDGA@=C!eN>
4=I4=CE?F5=M>G?Q5?AHK>R?K=4?KD4=K?c@=Q=QE?F@BFR?K=4?KD
Z>O?KG>BC2O=FYT?NHWZ>?CGW>BCTR?K=4?KDVB]Z>BX5V=?KGE?FZ=P
4BP=N?=?A4=4=IG<L!
6. Hệ thống báo động
9 A4H?cO@?aG4=G=?FR=C4=IG<L!
7. Hệ thống thoát rác thải
9 +?K4G?N>@A44K?N>?<?K4@A4R=PG<WNG?Q?Q5E?FVB]4=KR=CO?C @?
<?K4<?=?F>!>?<?K4@A4G>BPGZBPZW@?K=2ZD]4?F@BXG<?KH?F5R=P45TF>?ID
=I>BM5!
78) 9,*,#,,#,9:;7, TRANG 4
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC

GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN
 
 
 
1.1. PHƯƠNG ÁN KẾT CẤU CHỊU LỰC CHÍNH
9 BPG4?PT4JTHA44W4TN??FH?FZTRBIG=I4=PGGBKO@TK4G=?FZ=P>@A4
VNUTA<=C<?N>G<=S?IDUAU?IUTAE?F4=I>BCO2ZBPG4?PT@A4G?A=
RN>4=CGE?FU?Q5H>BIZBPGEK>?TR?^5?cG4K24TK4TFEK>V?FG?A=BI
5=CGZBPG4?PTZ=I>?4=K@=C4KHK!TG>BPO?C4?K4G?N>G<=AG?K4
UTAE?F=4=IG<LE?FG<TDBQST=P5=K!
9 =IG<L7f9!g @A4S?IDUA
R?^ZTRBIG=I4=PGGBKO@=XG=?FZ=P>!T?4=K#JO2JOHK
?PGU?F>/!,52JO=N?PGU?F>#!,5!TU=A44=K"RK44=CG2RK44=CG
Z=I@BQT?T4=K4>BQTU?F>H?F#/5!BPG4?PT5?K>VNUTA'2STYT?
4=KVBI=IRBIG=I4=PGGBKO@BXGTK4!
1.2. NHIỆM VỤ ĐƯC GIAO
9 WE?FEB]V?FG?Q"!
9 WE?FEB]4?QTG?!
9 WE?FEB]RBXK45?K>!
9 WE?FEB]ZT?G<TA4&!
9 ?F5$O?K5=K!
1.3. CƠ SỞ THIẾT KẾ
9 hT>O?A5VNUTAYT>O?A5$*#*900"
9 =IG<LVNUTA
` 'BIG=I'$"4=K9Z?N?[4JTBK+
R
1&"3U?i45$6!
9Z?N?[4JTZBK=+
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1,2"3U?i45

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9 ?K44=IGK4VNUTA@BXGWG=?KGBKO3GB=:;#"%$,,"6ZBX@BP
BCV=P@>BQTZ>BCH?F5E>BC44TN?RBIG=I
2
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GTA4G?[4F@=CGB=GF>>?6!
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9 ?N>G<=A>=K=IG<L@A4S?IDUAG?A>!=QW>GT=C4ZTEA4
9G<?R?NO?IETF?KOHA4>=KGB=G>BIT4T?X$*#*900"4=Kk
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78) 9,*,#,,#,9:;7, TRANG 5
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN
1.4. TRÌNH TỰ TÍNH TOÁN
9 =AV@=QGW
9 =AVR=CG>BPGU>BC4=V?F2U?Q5E?F4=CG
9 <TDBQG?N>G<=AGFV?F2U?Q5U=A4E?F=ZT
9 @=Q4?PGG?N>@=QGlG?N>E?F4?K4V@=Q4?PG=?AGG?N>
9 >?N>=C>HA4WGB=V@=Q@?F=Q>
` ?FWGB=4?PTZ>BC4JTT=P!
` TU?Q5GWGB=4?PTZ>BC4JTT=P24=CGGWGB=4?PTZ>BC4JTBK
HBC4S>BI!UTFO?Q5BQ5G?RVE0!*! >?N>=C>HA4E?FUTFS4BH@BX
GW4=PGGBKO.
9 =XAO=C>HA424=A4?aO=C>HA4TD>BX5?PG@BXGWG=?K4=PGGBKO
9 W4=PGGBKO24?PTG?A=E?FR=PG<WGBKO
9 <TDBQG?N>G<=A4=IG<LST=P5=K@BXGW5=K!
78) 9,*,#,,#,9:;7, TRANG 6
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN
ương 2.g (."

2.1. MẶT BẰNG KẾT CẤU DẦM SÀN, SỐ LIỆU TÍNH TOÁN
2250 3000 2750
700080007000 80008000 1200
38000
1 2 3 4 5 6
3000
19000
8000 8000
A
B
C
D
1200
S1 S1 S2
S1
S4
S1
S1
S1
S6
S1
S3
S2
S3
S2
S7
S3
S2
S8
S9 S10

WC
WC
WC
WC
S4 S5 S5
S2
S2 S2
3500 3500 4000 4000
40004000 1200
3000400040001200
S9 S10
S9
S9
S9 S10S9 S10 S10
S1S1S2
S1
S4
S1
S1
S1
S6
S1
S3
S2
S3
S2
S3
S2
S9S10
WC

WC
WC
WC
S4S5S5
S2
S2S2
S9S10
S9
S9
S9S10 S9S10S10
S7
3500350040004000
1200
1200
L$!?aGR?^U?Q5V?FG?Q"
2.2. CHỌN SƠ BỘ TIẾT DIỆN SÀN
9 K>4=CGHK3/5S/56BIUTFBCU?Q5>?=?T4>?=N4?K4=IV?F!
9 >BQTU?FDV?F@A44=AOTAGT=I4E?F=JOE?FG?N>G<=AG?K4UTA24=KGBXV
R=CS?K4@J4>BQTU?FDV?FGB=4=IGK4VR=CV?T
s n
s
D
h = l
m
 (2.1)
<=@=K
;1,2/m2&
9BCV=PZ>>BC5OTAGT=C4=?AGG?N>VNUTAn
V
5 1#,m#"

9@=P>EK>R?NH=?A>U?Q5n
V
5 1&,m&"
9@=P>EK>R?NZBIR=P4?An
n
l
94?AJO?c4TN?=IR?N!
9 =P>EK>?FU?IUTAGL4>BQTU?FDG=P>G>BXT4TN?V?FH?F
5>
1%45!
9 ;TF=IV?FHK?PG
$
ZW4GK43&2,5S&2,56@BXGW!
K>=IV?F&4=K
n
l =400(cm)
2G?DE?F=(2.1)G?@A4
1o
s
1 1
h = ÷ 400=(10.0÷8,9)cm.
40 45
 
 ÷
 
1o=A
s
h =10(cm)
!
9 GA4=4?K4=IV?F4=FH?A>G?@A4R?NV?T

Bảng 2.1: Phân loại ô sàn

78) 9,*,#,,#,9:;7, TRANG 7
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN
=P>BCT=I
V?F
?A?c
H

356
?AU?F>
H
U
356
pV=P
H
U
iH

=?A>=I
V?F
;>BCGW4
35
$
6
>BQTU?FD
V?F3456
 #!" & !& '?NZBI & ,
$ & &  '?NZBI % ,

# & &  '?NZBI % ,
& # #!" !* '?NZBI ,!" ,
" # & !## '?NZBI $ ,
% #!" & !& '?NZBI & ,
* & &  '?NZBI % ,
/ #!, & !## '?NZBI $ ,
0 !$ #!" $!0$ '?NU?Q5 &!$ ,
, !$ & #!## '?NU?Q5 &!/ ,
2.3. CHỌN SƠ BỘ TIẾT DIỆN DẦM
9 B=@>BQT#!#!$?PTG?A=ZT?F4?=G?Q9:;0/00*3OTFAOEK>
R>BCO?KO4?PTG?A=U=NDR?RBIG=I?ITITYT>@J6U?Q5O?N>@TN@=CUBN=
E?F4F@=C4?QG>BPGZ>4JTG?N>G<=A@=C@?PG
` >BQT<=CG=P>G>BXT4TN?U?QZ=I4=A=N$,,55E?FG=P>@?
Z=I4>BQT<=C4=CG4=CEK>2"H?Q4>BQT4?=G>BPGU>BC!
` >BQT4?=G=P>G>BXTG>BPGU>BCZ=I=N#,,55!
` pV=P4>BQT4?=E?F4>BQT<=CG>BPGU>BCZ=IHK#!
9 ;TFBCU?Q5>?=?TEK>ZW4GK44?K4U?Q5V?T
` ;?Q54W3;?Q54W$OU=A42?4=KJO?QR?^?TH?F
*5E?F/5BIG?UTF4TG>BPGU>BC4=4?N$O6!
U4
 
 1 m H
, &
 
 ÷
 
n
dc dc
1 1
b =( ÷ )h

2 4
n (2.2)
K>JO#52G?DE?F=4=IGK43$!$6G?@A4
dc
1 1
h = ÷ 300=30÷21(cm)
10 14
 
 ÷
 
!=A
dc dc
h =50(cm) b =30(cm)⇒
!
K>JO/52G?DE?F=4=IGK43$!$6G?@A4
dc
1 1
h = ÷ 800=57÷80(cm)
10 14
 
 ÷
 
!=A
dc dc
h =70(cm) b =30(cm)⇒
!
9 ?CDU?Q54W4=KZW4GK4G>BPGU>BCH?F;3#,S*,645E?F;$3#,S",645!
` =IGK4GWBCU?Q5OTA4>?=N=IV?F
UO
 

 1 m H
& %
 
 ÷
 
n
dp dp
1 1
b = ÷ h
2 4
 
 ÷
 
n (2.3)
K>
l=7m
2G?DE?F=4=IGK43$!#6G?@A4

dp
1 1
h = ÷ 700=43.7÷35(cm)
16 20
 
⇒
 ÷
 
!=A
dp dp
h =40(cm) b =20(cm)⇒
9 ?CDBCU?Q5OTA4=KG>BPGU>BCH?F;#3$,×&,6452U?Q55=I>;&3$,S#,645!

2.4. XÁC ĐỊNH TẢI TRỌNG
78) 9,*,#,,#,9:;7, TRANG 8
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN
9 ?N>G<=AG?K4UTAHBIV?F=Q54=K
9 ?N>G<=AGFSTDBI3GlG?N>6R?==Q5G<=AHAR?NG?I4?K4HKO4?PT
G?A=V?F
> >
1  !
∑
(2.4)
<=@=K
` 
>
G<=AHAR?NG?IHKO4?PTG?A=GK>n
` 
>
 BCV=P@=CG>4?CD!
9 ?N>G<=AG?A5GF>3=?AGG?N>6!
9 ?N>G<=AG>BIT4T?XO?IR=P@BQTG<BIV?FH?PDGB=G>BIT4T?X3?N>G<=AE?F
G?K4@=C2$*#*900"6
GG G4
O
O O !=
(2.56
<=@=K
`O
GG
G?N>G<=AG>BIT4T?XH?PDGB=$*#*900"n
`

O
BCV=P@=CG>4?CD!
9 <=AHAGF?[YT>@=X>G?FG?N>G<=AO?IR=P@BQTG<BIV?F
! !
!
=
tc
qd
t t t
t
d n
l h g
g
l l
 (2.6)
<=@=K
` H
G
4>BQTU?F>GF356n
` 
G
4>BQT4?=GF356n
` 
G
G4
G<=AHA@EJG>BIT4T?X4TN?GFn
` K>GF?A4=PU?FD,45
G
G4
1/,3U?i5

$
6n
` F?A4=PU?FD$,45
G
G4
1##,3U?i5
$
6!
2.4.1. Tónh tải
9 :?K4@JG<=AHA4TN?4?K4H=?A>E?CGH>BCTS?IDUAG<=V?K4q=XG?DGA4
?FZBPG4?PT4=IG<Lq4TN?!T]?ATF!
9 B=DBIT4?QTVNUTA24?K4ZTEA44=K4K4?[Z?K4?TVB]4=K4?PTG?A=V?F
Z?K4?T2U=@=KGlG?N>V?FGK4T]4=K>?KG<JZ?K4?T!?K4Z>BXT
4?PTG?A=V?FG>BITR>BXTH?FV?FO=FTN2V?FR?4=I2V?F?FH?E?FV?FEBC
V>!
9 ?K4H=?A>V?F?FD4=K4?PTG?A=V?T
83010015
- Gạch ceramic,
d
=2000(daN/m3)
- Vữa lát gạch,
d=1800
(daN/m3)
- San BTCT,
d
=2500(daN/m3)
- Vữa trát trần,
d=1800
(daN/m3)
- Trần treo, g=30(daN/m2)

85010015
- Gạch ceramic,
d
=2000(daN/m3)
- Vữa lát gạch,tạo dốc,
d=1800
(daN/m3)
- San BTCT,
d
=2500(daN/m3)
- Vữa trát trần,
d=1800
(daN/m3)
- Trần treo, g=30(daN/m2)
L$!$?PTG?A=V?FG?Q"L$!#?PTG?A=V?FEBCV>G?Q"
Bảng 2 .2: Trọng lượng các lớp cấu tạo sàn phòng ngủ,
78) 9,*,#,,#,9:;7, TRANG 9
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN
sinh hoạt chung, bếp, hành lang, ban công
Bảng 2.3 : Trọng lượng các lớp cấu tạo sàn vệ sinh
2.4.2. Hoạt tải
9 TDFGB=4K4?[VNUTA4?K4=IV?F2G?4=K4?K4=?AGG?N>Z?K4?T3B=
$*#*900"62G?4=KR?N=?AGG?N>4TN?V?F
Bảng 2 .4: Bảng tổng hợp hoạt tác dụng lên sàn
)V?F K4?[VNUTA
?N>G<=A
G>BIT4T?X
O
G4

3U?i5
$
6
BCV=P
EAGG?N>

?N>G<=A
GWG=?K
O
GG
3U?i5
$
6

9=FTN ", 2# 0"
$
9=F?[2RBPO ", 2# 0"
#2%
9=FEBCV> ", 2# 0"
&2"2
9?FH? #,, 2$ #%,
*2/
9?QTG?2V?N #,, 2$ #%,
78) 9,*,#,,#,9:;7, TRANG 10

?K4HKO4?PTG?A=
γ
3U?i45
#
6

δ
3456

V
G4
3U?i5
$
6
BCV=P@=CG>
4?CD

V
GG
3U?i5
$
6

?A4B<?5>4 $,,, ,!/ % ! *!%
$
KOE]?H=KG /,, # "& !# *,!$
#
'?NV?F $",, , $", ! $*"
&
]?G?KGG<?Q /,, !" $* !# #"!
"
BCG=PZl
GT?CG
  #, !$ #%
=X4=C &##!0



?K4HKO4?PTG?A=
γ
3U?i45
#
6
δ
3456

V
G4
3U?i5
$
6
BCV=P@=C
G>4?CD

V
GG
3U?i5
$
6
 ?A4B<?5>4 $,,, ,!/ % ! *!%
$
KOE]?H=KGE?F
G?A=U=P4
/,, & 0, !# *
#
KOE]?4=P
G?c5

$,,, # %, ! %%
& '?NV?F $",, , $", ! $*"
" ]?G?KGG<?Q /,, !" $* !# #"!
% BCG=PZlGT?CG #, !$ #%
=X4=C
546.7
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN
02,
9'?4=I2H=I>? $,, 2$ $&,
2.4.3. Trọng lượng tường ngăn qui đổi thành tải trọng phân bố đều trên sàn
9 ?N>G<=A4TN?4?K4GF?[S?K4@JGB=4=IGK43$!%6!
9 ;A?E?F=GA4GBP4?K4H=M4N?G<BIGF4=KGBXH?PDBCV=PH=M4N?H?PDG=P?PG
H?F,!*!
9 KOUTAG<=R?F>?FDG?GWG=?K@A4ZBPGYT?N>G<=R?NV?T
Bảng 2.5: Tải trọng tường quy đổi trên sàn
=I
V?F

F ?F

G
YU
3U?i5
$
6
=?A>
GF
H
G

356

G
356

G
G4
3U?i5
$
6

G
G4
Z>4=K4N?
3U?i5
$
6

G
GG
3U?i5
$
6
H
U
356
H

356
 , &! #! /, $% #/!% & #!" $"!/#

# , &!" #! /, $% #/!% & & !&&
% , &!$ #! /, $% #/!% & #!" $/!0
9 ;A?E?F=5?aGR?^Z>BPG<TK4G?G?PD4?K4=IV?F4=KGF?[=Q54=K2#
E?F%!
2.4.4. Tính tổng tải trọng tính toán tác dụng lên từng ô sàn
9 =IGK4GW
tt td
s t n d
P=(g +g +p)×l ×l
Bảng 2.6: Tổng tải trọng tính toán tác dụng lên từng ô sàn
=?A>
V?F
?A
U?F>
H
U
356
?A
?c
H

356
lG?N>U=
G<=AR?NG?I
tt
s
g
3U?i5
$
6

lG?N>U=G?N>
G<=AGF
td
t
g
3U?i5
$
6
=?AGG?N>
GWG=?K

GG
3U?i5
$
6
?N>G<=A
GWG=?K
G=X4=C
3U?6
 & #!" &##!0 $"!/# 0" ,"%%!$
$ & & &##!0 , 0" ,,%$!&
# & & "&%!* !&& 0" #%",!$
& #!" # &##!0 , #%, /##"!0"
" & # &##!0 , #%, 0"$%!/
% & #!" "&%!* $/!0 0" $//!&
* & & &##!0 , #%, $*,$!&
/ & # &##!0 , #%, 0"$%!/
0 #!" !$ &##!0 , $&, $/#,!#/
, & !$ &##!0 , $&, #$#&!*$
2.5. XÁC ĐỊNH NỘI LỰC

9 >BIZBPG4TN?R?NV?FEK>U?Q52GF@A4SB5SBKGGB=YTDK4V?T
+ >BIZBPG@A4SB5H?FGA?@
 >R?NZBIHBIGF!
 >R?NGA?HBIU?Q5RBIG=I4=PGGBKO3@=XG=?FZ=P>65?F4=K
U
i
R
b#!
 >R?NH?cOBKO!
78) 9,*,#,,#,9:;7, TRANG 11
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN
+ >BIZBPG@A4SB5H?F?F5Z>R?NGA?HBIU?Q5RBIG=I4=PGGBKO3@=X
G=?FZ=P>65?F4=K
U
i
R
≥#!
+ >BIZBPGH?FGAU=Z>R?N=?FG=?FGAU=!
9 TFDGB=GDNHBC@=CU?F>$4?A4TN?R?N2G?O?IR?NG?F$H=?A>
`
d
n
l
l
≤
$'?N4JTHA4$O! (2.7)
`
d
n

l
l
o$'?N4JTHA4O!  (2.8)
9 BPGYT?N4=KG<=R?N$!!'?NO?IH?A>=IV?F
2.5.1. Tính toán các ô bản dầm ( S9, S10)
a. Các giả thiết tính toán
9 ?K4=IR?NU?Q5@A4GWG=?K4?K4=IR?N@2Z=ISBKG@BP?NN
4TN?=IR?NZBP4?C!
9 ?K4=IR?N@A4GWGB=V@=Q@?F=Q>!
9 ?cG5GB=O4?A?c@BXGW!
b. Xác đònh sơ đồ tính
c. Xác đònh nội lực
9 ?K4>?KG<J5=5BGWGB=4=IGK4V?T
` =5BJO
$


 1 YH
$&
(2.9)
` =5B=P>
$


 1 YH
$
(2.10)
<=@=KY9G?N>G<=AG=?FO?Q

GG YU GG

V G
Y 1  ` ` O
 
(2.11)
9 W@?A>U>BC4==IV?F,
` @=QGW
78) 9,*,#,,#,9:;7, TRANG 12
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN
1(m)
Mg=80,87(daN.m)
Mn=40,43(daN.m)
Mg=80,87(daN.m)
` K>
tt 2 qd tt 2
s t
g =433,9(daN/m );g =0;p =240(daN/m )
` ?DE?F=4=IGK43$!#62G?@A4
2
q = 433,9+240 = 6673,9 (daN/m )
` =5BJO
2
1
673,9 1,2 40,43( . )
24
= × =
n
M daN m
` =5B=P>
2

1
673,9 1,2 80,87( . )
12
g
M daN m= × =
9 WGGAG?@A4R?NZBPGYT?NV?T
Bảng 2.7:Tính toán nội lực bản dầm
=I
V?F

JO lG?N> =?AGG?N>
?N>G<=AG=?F
O?Q
>?KG<J5=I5B
H

356

V
GG
3U?i5
$
6

G
YU
3U?i5
$
6
O

GG
3U?i5
$
6
Y
3U?i5
$
6

3U?!56

3U?!56
0 !$ &##!0 9 $&, %*#!0 &,2&# /,2/*
, !$ &##!0 9 $&, %*#!0 &,2&# /,2/*
d. Tính toán cốt thép
9 ?CGH>BCTVNUTA
` 'BIG=I'$"4=K9Z?N?[4JTBK+
R
1&"3U?i45
$
6!
9Z?N?[4JTZBK=+
RG
1,2"3U?i45
$
6!
` BKO9 4=K9Z?N?[4JTZBK=2BK+
V
1+
V4

1$$",3U?i45
$
6!
 4=K9Z?N?[4JTZBK=2BK+
V
1+
V4
1$/,,3U?i45
$
6!
9 ?K44=IGK4VNUTA@BXGWG=?KGBKO3GB=:;#"%$,,"6ZBX@BP
BCV=P@>BQTZ>BCH?F5E>BC44TN?RBIG=I3@?N5R?N=4=RBIG=I@A4G>BPOGTA4
G?[4F@=CGB=GF>>?6
2
1
b
γ
=
` W4>BQT4?=H?F5E>BC4
0
h h a= −
 (2.12)
` W
2
2 0
m
b b
M
R bh
α

γ
=
 (2.13)
` F4?PORBIG=IE?F=K54=PGGBKOG<?4?K4BCV=P
R
ξ
E?F
R
α
3OTAHTA4!$
:;#"%$,,"6!
` =V?K
m
α
EK>
R
α
n
m
α
b
R
α
@?aG4=PG@34=PGGBKO4JTZBK=62,!"o
m
α
o
R
α
@?aG4=PGZBKO34=KGBXG?[ZW4GK4G>BPGU>BC36=?a4G?[4?PO

78) 9,*,#,,#,9:;7, TRANG 13
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN
@=CRBQ@BX4=
m
α
b
R
α
<=Q>GW4=PG@62
m
α
o,!"G?[ZW4GK4G>BPG
U>BC!
9 ?aG4=PG@
` W
1 1 2
ξ α
= − − ×
m
(2.14)
` ;>BCGW44=PGGBKODBIT4?QT
2b b
s
s
R bh
A
R
ξγ
=

(2.15)
9 >BX5G<??F5HA4=PGGBKO
min max
µ µ µ
< <
n
2
γ
µ ξ
=
b b
max R
s
R
R
n
min
0,05%
µ
=
(2.16)
L4?K4=IV?F0E?F,4=K4>BQTU?F>4?A?cE?F4?aOHA4R?^?TBIG?
4p4?QGWG=?KGBKO4=5=CG=IV?F,<=Q>R=PG<W4=$=I.
9 =C>HA?GWG=?K
40,43( . ); 80,87( . )
n g
M daN m M daN m= =
9 <?R?NPhụ lục E.2 TCXDVN 356: 2005KEK>RBIG=I4?PO'$"24=PG
GBKO=K59 
0,618; 0,427

R R
ζ α
⇒ = =
9 WG?A>>]?JO
40,43( . )=
n
M daN m
` =AHKORBIG=IR?N=EBC4=PGGBKO
1,5( );a cm=
` ?DE?F=4=IGK43$!$62G?@A4

0
10 1,5 8,5( )h h a cm= − = − =
!
` ?Dh
0
E?F=4=IGK43$!#62G?@A4
2
2
40,43 10
0,004 0,427
1 145 100 8,5
m R
α α
×
= = < =
× × ×
!
BIZ=I4?Q@?aG4=PGGBKO4JTBK3@?aG4=PG@6!
` ?D

m
α
E?F=4=IGK43$!&62G?@A4
1 1 2 0,004 0,004
ξ
= − − × =
` ?4=KG>BPGU>BC4=PGGBKO
2
0,004 1 145 100 8,5
0,21( )
2250
s
A cm
× × × ×
= =
⇒
=AR=PG<Wφ%?",4=K
2
1,89( )
ch
s
A cm=
` >BX5G<?H?A>?F5HA4=PGGBKOR?^4=IGK43$!%6
min
0,618 1 145
3,98%; 0,05%
2250
× ×
= = =
µ µ

max
?4=K
1,89
0,22%
100 8,5
µ
= =
×
BPGHT?C
min max
0,05% 0,22% 3,98%
µ µ µ
= < = < = ⇒
G=N?5?]!
9 WG?A>=P>
80,87( . )=
g
M daN m
` GAG?4=K4>BQT4?=H?F5E>BC44TN?G>BPGU>BC
0
8,5( )h cm=
78) 9,*,#,,#,9:;7, TRANG 14
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN
` W
2
2
80,87 10
0,008 0,427
1 145 100 8,5

m R
α α
×
= = < =
× × ×
!
BIZ=I4?Q@?aG4=PGGBKO4JTBK3@?aG4=PG@6!
` W
1 1 2 0,008 0,008
ξ
= − − × =
` ?4=KG>BPGU>BC4=PGGBKO
2
0,008 145 100 8,5
0,42( )
2250
s
A cm
× × ×
= =
⇒
=AR=PG<W4?PTG?A=φ/?$,,4=K
2
2,5( )
ch
s
A cm=
` >BX5G<?H?A>?F5HA4=PGGBKOEK>
min
3,98%; 0,05%

max
µ µ
= =
?4=K
2,5
0,29%
100 8,5
µ
= =
×
BPGHT?C
min max
0,05% 0,29% 3,98%
µ µ µ
= < = < = ⇒
G=N?5?]!
9 Chú ý:Z>GWGBKOGB=>?KG<J5=I5BZ>R=PG<WGBKO2@BX4=@
>?NE?FG>BIEBQ?G=?FGL]=IH>BQZBQ4=K>?KG<JHK@A44=AR=P
G<W4==I=N!
2.5.2. Tính toán các ô bản kê
a. Các giả thiết tính toán, sơ đồ tính
9 >α1H
U
iH

≤$GLR?N@A4SB5H?FR?NZBI2HTK4?FDR?NH?F5E>BC4
GB=?>O!K>H
U
2H


H?QHAGH?F4?AU?F>E?F4?A?c4TN?=IR?N!
9 WG=?K=IR?N@GB=V@=Q@?F=Q>GTFDGB=@>BQTZ>BCH>BIZBPG
4TN?R?NEK>4?K4U?Q5RBIG=I4=PGGBKOH?FGA?@?D?F5STYT?5?F
4=AV@=QGWR?N4=GW4AO!
b. Xác đònh nội lực
9 ?cG=IR?NGB=5=M>OEK>RBQ<=CR152>?N>EK>G?N>O?IR=P
@BQTGL55=I5BJOE?F=P>!
+ =I5BUHK?PGN>]?R?N3?KOUTA4=IGK4GW5=I5B4TN?
=IR?NH>BIGTA46!
 =I5BNJOGB=O4?A?cH



15
>
S3U?!56!
 =I5BNJOGB=O4?AU?F>H
U

$
15
>$
S3U?!56!
+ =I5B?I5HK?PGN=P>
 =I5BN=P>GB=O4?A?cH

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1Z
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U
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S3U?!56!
<=@=K
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U
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
!
H
U
2H

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 G=XG?N>G<=AG?K4UTAHBI=IR?N
13O`Y6SH
U
SH

!
O =?AGG?N>GWG=?K3U?i5
$
62
78) 9,*,#,,#,9:;7, TRANG 15

ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN
Y GlG?N>GWG=?K3U?i5
$
6!
5
>
25
>$
2Z
>
2Z
>$
4?K4BCOTAGT=C4E?F=GDNHBCH
$
iH

G<?R?N90G<?#$
V?K4=XG?DZBPG4?PT4=IG<L3T]?ATF6!
9 <=G<FAO=P>?^5>]??>=IR?NZ?K4?TGLBCV=PZ
>
E?FZ
>$
@A4
H?PDGB=G<JV=PG<TRL>]??>=I2=?a4@BX?G=?FG?H?PD>?KG<JZ
>
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?F=HK>]??>=IR?N!
9 KOUTAG<=R?F>?FDG?4=K@A4ZBPGYT?NZBPGYT?NV@=QGW4=4?K4=IR?N

ZBIV?T
Bảng 2.8: Xác đònh sơ đồ tính cho bảng kê
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V?F
>BQTU?FDV?F

V
3456
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U?Q5
U
3456
pV=P

U
i
V
>BIZBPG
GB=4?K44?A
@=QGW
 ,

;
*, * ?F5
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;
*, * ?F5
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;$
&, & ?F5

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;$
&, & ?F5
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;
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;
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;$
&, & ?F5
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;$
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# ,

;
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&, & ?F5
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&, & ?F5
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;

*, * ?F5
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;
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78) 9,*,#,,#,9:;7, TRANG 16
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN
9 KOUTAG<=R?F>?FDG?4=K@A4ZBPGYT?N=C>HA44=4?K4=IR?NZBIV?T
Bảng 2.9: Bảng tổng hợp kết quả nội lực
)V?F
d
l
356
n
l
356
P
3U?6
?K4BCV=P =5B3U?!56
91
m
92
m
91
k
92
k




$




 & #!" ,"%%!$ ,!,00 ,!,"$ ,!,&"0 ,!,#"$ $,!& %,! 9&/"!& 9#*$!$
$ & & ,,%$!& ,!,*0 ,!,*0 ,!,&* ,!,&* /,! /,! 9&0!% 9&0!%
# & & #%",!$ ,!,*0 ,!,*0 ,!,&* ,!,&* $&&!# $&&!# 9"%0!$ 9"%0!$
& #!" # /##"!0 ,!,$, ,!,&* ,!,&%# ,!,#& %*!/ $$!/ 9#/%!$ 9$/&!$
" & # 0"$%!/ ,!,$,* ,!,0 ,!,&*$ ,!,$*, 0*!" $!/ 9&&0!" 9$"*!&
% & #!" $//!& ,!,00 ,!,"$ ,!,&"0 ,!,#"$ $&$!* /&!* 9""0!0 9&$0!#
* & & $*,$!& ,!,*0 ,!,*0 ,!,&* ,!,&* $$*!# $$*!# 9"$0!% 9"$0!%
/ & # 0"$%!/ ,!,$,* ,!,0 ,!,&*$ ,!,$*, 0*!" $!/ 9&&0!" 9$"*!&
c. Tính toán cốt thép
- W4==IV?F
- FZBPGYT?NGWG<=R?N3$!/6G?4=KV@=QGW4==IR?NV?T
M2
M1
MI
MII
MII
MII=372,23(daN.m)
M2=160,15(daN.m)
MI=485,44(daN.m)
MI
M1=210,42(daN.m)
- =C>HA4GWG=?K


3U?!56 

$
3U?!56 

3U?!56 

3U?!56
$,!&$ %,!" 9&/"!&& 9#*$!$#
 Tính cốt thép theo phương cạnh ngắn:
3,5( )
n
l m=
- =AZ=?N4?K4GF5BKOETFRBIG=I4JTZBK=@BPG<=AG?I54=PGGBKO
4JTZBK=?12"45!
⇒
4>BQT4?=H?F5E>BC44TN?ZBPG4?PT
78) 9,*,#,,#,9:;7, TRANG 17
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN
10 1,5 8,5( )
o s
h h a cm= − = − −
- WGBKOG?A>=P>EK>5=5BGWG=?K 
485,44( . )
I
M daN m=
` ?DE?F=4=IGK43$!#62G?@A4
2
2
485,44 10
0,046 0,427

1 145 100 8,5
m R
α α
×
= = < =
× × ×
` L
ξ
EK>
0,046
m
α
=
G?DE?F=4=IGK43$!&62G?@A4
1 1 2 0,046 0,047
ξ
= − − × =
` WU>BCGW44=PGGBKOUTF4=IGK43$!"62G?@A4
2
0,047 1 145 100 8,5
2,60( )
2250
s
A cm
× × × ×
= =
⇒
=AGBKOR=PG<WØ8a150 4=K
2
3,35( )

ch
s
A cm=
` >BX5G<??F5HA4=PGGBKOEK>
min
3,98%; 0,05%
max
µ µ
= =
!
?4=K
3,35
0,39%
100 8,5
µ
= =
×
⇒
BPGHT?C
min max
0,05% 0,29% 3,98%
µ µ µ
= < = < = ⇒
G=N?5?]!
- WGBKOG?A>JOEK>5=5BGWG=?K
1
210,42( . )=M daN m
` ?DE?F=4=IGK43$!"62G?@A4
2
2

210,42 10
0,02 0,427
1 145 100 8,5
m R
α α
×
= = < =
× × ×
` L
ξ
EK>
0,046
m
α
=
G?DE?F=4=IGK43$!%62G?@A4
1 1 2 0,02 0,02
ξ
= − − × =
` WU>BCGW44=PGGBKOUTF4=IGK43$!*62G?@A4
2
0,02 1 145 100 8,5
1,11( )
2250
s
A cm
× × × ×
= =
=AGBKOR=PG<WØ6a200 4=K
2

1,41( )
ch
s
A cm=
` >BX5G<??F5HA4=PGGBKOEK>
min
3,98%; 0,05%
max
µ µ
= =
!
?4=K
1,41
0,17%
100 8,5
µ
= =
×
⇒
Kết luận:
min max
0,05% 0,17% 3,98%
µ µ µ
= < = < = ⇒
G=N?5?]!
 Tính cốt thép theo phương cạnh dài:
4,0( )
d
l m=
- >BQT4?=H?F5E>BC44TN?ZBPG4?PT

8,5( )
o
h cm=
- WGBKOG?A>=P>EK>5=5BGWG=?K 
372,23( . )
II
M daN m=
` ?DE?F=4=IGK43$!#62G?@A4
2
2
372,23 10
0,036 0,427
1 145 100 8,5
m R
α α
×
= = < =
× × ×
` L
ξ
EK>
0,046
m
α
=
G?DE?F=4=IGK43$!&62G?@A4
1 1 2 0,036 0,036
ξ
= − − × =
` WU>BCGW44=PGGBKOUTF4=IGK43$!"62G?@A4

78) 9,*,#,,#,9:;7, TRANG 18
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN
2
0,036 1 145 100 8,5
1,98( )
2250
s
A cm
× × × ×
= =
=AGBKOR=PG<WØ8a200 4=K
2
2,51( )
ch
s
A cm=
` >BX5G<??F5HA4=PGGBKOEK>
min
3,98%; 0,05%
max
µ µ
= =
!
?4=K
2,51
0,30%
100 8,5
µ
= =

×
⇒
Kết luận:
min max
0,05% 0,30% 3,98%
µ µ µ
= < = < = ⇒
G=N?5?]!
- WGBKOG?A>JOEK>5=5BGWG=?K
2
160,15( . )M daN m=
` ?DE?F=4=IGK43$!#62G?@A4
2
2
160,15 10
0,015 0,427
1 145 100 8,5
m R
α α
×
= = < =
× × ×
` L
ξ
EK>
0,046
m
α
=
G?DE?F=4=IGK43$!&62G?@A4

1 1 2 0,015 0,015
ξ
= − − × =
` WU>BCGW44=PGGBKOUTF4=IGK43$!"62G?@A4
2
0,015 1 145 100 8,5
0,85( )
2250
s
A cm
× × × ×
= =
=AGBKOR=PG<WØ6a200 4=K
2
1,41( )
ch
s
A cm=
` >BX5G<??F5HA4=PGGBKOEK>
min
3,98%; 0,05%
max
µ µ
= =
!
?4=K
1,41
0,17%
100 8,5
µ

= =
×
⇒
Kết luận:
min max
0,05% 0,17% 3,98%
µ µ µ
= < = < = ⇒
G=N?5?]!
?COR?NGWGGA4=]=IR?N4=FH?A>G?@A4R?NV?T
Bảng 2.10: Bảng tổng hợp kết quả tính thép
)R?N

3U?!56
m
α
ξ

V
345
$
6
=AGBKO

V
4=A
345
$
6
0

bh
A
s
=
µ
3r6
78) 9,*,#,,#,9:;7, TRANG 19
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN



$,!&$ ,!,$, ,!,$, !
Ø6a200
!& ,!*

$
%,!" ,!," ,!," ,!/"
Ø6a200
!& ,!*


9&/"!&& ,!,&% ,!,&* $!%,
Ø8a150
#!#" ,!#0


9#*$!$# ,!,#% ,!,#% !0/
Ø8a200
$!" ,!#,

$


/,!$ ,!,* ,!,* ,!0"
Ø6a200
!& ,!*

$
/,!$ ,!,* ,!,* ,!0"
Ø6a200
!& ,!*


9&0!%, ,!,&, ,!,& $!$&
Ø8a200
$!" ,!#,


9&0!%, ,!,&, ,!,& $!$&
Ø8a200
$!" ,!#,
#


$&&!#& ,!,$# ,!,$& !$0
Ø6a200
!& ,!*

$
$&&!#& ,!,$# ,!,$& !$0

Ø6a200
!& ,!*


9"%0!$$ ,!,"& ,!,"% #!,%
Ø8a150
#!#" ,!#0


9"%0!$$ ,!,"& ,!,"% #!,%
Ø8a150
#!#" ,!#0
&


%*!/# ,!,% ,!,% ,!//
Ø6a200
!& ,!*

$
$$!/$ ,!,$ ,!,$ ,!%"
Ø6a200
!& ,!*


9#/%!$# ,!,#* ,!,#/ $!,%
Ø8a200
$!" ,!#,


9$/&!$% ,!,$* ,!,$/ !"
Ø8a200
$!" ,!#,
"


0*!"$ ,!,0 ,!,0 !,&
Ø6a200
!& ,!*

$
$!/0 ,!, ,!, ,!"0
Ø6a200
!& ,!*


9&&0!"0 ,!,&# ,!,&& $!&,
Ø8a200
$!" ,!#,


9$"*!&% ,!,$" ,!,$" !#%
Ø8a200
$!" ,!#,
%


0#!*0 ,!,/ ,!,0 !,$
Ø6a200
!& ,!*


$
&*!", ,!,& ,!,& ,!*/
Ø6a200
!& ,!*


9&&*!,0 ,!,&# ,!,&& $!#0
Ø8a200
$!" ,!#,


9#&$!/$ ,!,## ,!,## !/$
Ø8a200
$!" ,!#,
*


$$*!#* ,!,$$ ,!,$$ !$,
Ø6a200
!& ,!*

$
$$*!#* ,!,$$ ,!,$$ !$,
Ø6a200
!& ,!*


9"$0!%0 ,!," ,!,"$ $!/&
Ø8a150

#!#" ,!#0


9"$0!%0 ,!," ,!,"$ $!/&
Ø8a150
#!#" ,!#0
/


0*!"$ ,!,0 ,!,0 !,&
Ø6a200
!& ,!*

$
$!/0 ,!, ,!, ,!"0
Ø6a200
!& ,!*


9&&0!"0 ,!,&# ,!,&& $!&,
Ø8a200
$!" ,!#,


9$"*!&% ,!,$" ,!,$" !#%
Ø8a200
$!" ,!#,
2.6. KIỂM TRA ĐỘ VÕNG CỦA SÀN
- ?K44?PTZ>BC=K>4TE?FV?F=K><>BIBPT4=K@=CE=]YT?KHKVB]?N
N@BPE>BC4VNUTAZBPG4?PT5=CG4?K4RLGFH?F55?PG5D]YT?2H?F5

R=HKO=POG<?KG2?IDG?I5HDK=?NVA4=F>VNUTA!;=@=K4?QO?N>
>K>?A@=CE=]U=G?N>G<=AG>BIT4T?X?ID<?(tính toán theo trạng thới
giới hạn thứ hai)!
- ;=RBIG=IH?F5=CGH=?A>E?CGH>BCT@?F=Q>UBN=2Z=I@=Q4?PGE?FZ=I@?d
K2GF4=KZBKGG<=ETFZBK=BIZ=IGBXVNUTA@=C4K
78) 9,*,#,,#,9:;7, TRANG 20
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN
@?]@A4=A4G<=5=IK4RBQE?CGH>BCT@BXGWG=?K@=CE=]4=R?NV?F!e
@=Q?K?FDB5VNUTA@=C4K'@BXGWE=]4=V?F2@=C4K'OTAGT=C4
E?F=#DBPTG=PV?T
` ?N>G<=A!
` W4?PG@?F=Q>9UBN=4TN?RBIG=I!
` ?a4G<4=A4E?FL=A44TN?G>BPGU>BC!
- =A=IV?F
&
34=KU>BCGW4HK?PG2G?N>HK?PG6@BXGWG=?K@=CE=]24=K
2
1 2
4 4 16 .l l m
× = × =
` =A>
1
f
H?F@=CE=]GB=O4?A?c2
2
f
H?F@=CE=]GB=O
4?AU?F>!
` >BQTZ>BCG=N?H?F

[ ]
1 2
f f f
= ≤
H?F@=CE=]>K>?AH?PDGB=R?N&
#"%$,,"
& &
 $
 $
 $
 
n
#/& #/&
c c
ng d
q q
f l f l
B B
= × × = × ×
<=@=K
`
 $
c c c
q q q+ =
H?FG?N>G<=AG>BIT4T?XG?K4UTAHBIV?F@?SBKG!
78) 9,*,#,,#,9:;7, TRANG 21
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN
`
1 2

;
c c
q q
H?FG?N>G>BIT4T?XG<TDBQGB=O4?A?c24?AU?F>
& &
$ 
 $
& & & &
 $  $
n
c c
c c
l l
q q q q
l l l l
= × = ×
+ +
`
1 2
,B B
H?F@=C4KG@4TN?RBIG=I
,  , $
 $
n
a b a b
s s b bq s s b bq
h Z h Z
B B
E A E A E A E A
ψ ψ ψ ψ

ν ν
× ×
= =
+ +
× × × × × ×

` 
V
2
R
H?F5=I@T@?F=Q>4TN?GBKOE?FRBIG=I!
` 
V
H?FU>BCGW44TN?4=PGGBKO4JTHA4!
` 
RY
H?FU>BCGW4YTD@=X>ETF4JTBK4TN?RBIG=I
( )
s
,bq
A b h
γ ξ
= + × ×
`
1
a
ψ
≤
H?FBCV=PSBKG@BPVAH?F5E>BC44JTZBK=4TN?RBIG=I?^5>]?$ZB
KG!

`
b
ψ
GpV=P>]?KVT?PGG<TRL4TN?GKRBIG=I=?F>4TFEK>K
VT?PGBKNGKRBIG=I=?F>4TFG?A>G>BPGU>BC4=KZBKG!FH?PD
,20
b
ψ
=
!
- :?K4@J
a
ψ

2$" 
kc n
a
c
R W
S
M
ψ
×
= − × ≤
` BCV=PSBKG@BP?NN4TN?G?N>G<=AU?F>?AE?FH=?A>4=PGGBKO!
- ?N>G<=AG?K4UTA?c?A
` 12GBKO?I!
` 12,GBKOG<!
- ?N>G<=AG?K4UTAU?F>?A
` 1,!/4?K4H=?A>4=PGGBKO!

` k

5=I5BZ?K@?F=Q>UBN=4TN?G>BPGU>BCYTD@=X>?DG<K4Z>KG
@=P>EK>G>BPGU>BC4JTZBK==?F>4TF!
$
 $
3,2$0$ ,2*" ,2" 6
n
W bh
γ γ
= + + ×
` =P>EK>G>BPGU>BC4]?CG2G?4=K

$
s
n A
b h
γ
× ×
=
×
n
2
$
s
n A
b h
γ
×
=

×
- :?K4@J
bq
A
3U>BCGW4YTD@=X>ETFRBIG=IBK6
( )
,bq
A b h
ξ γ
= + ×
<=@=K
,
3 6 3 i 6
c c s
b b h n A
bh
ν
γ
− +
=
n
,

 "3 6
2/
,
x
L T
h
n

ξ
µ
= =
+ +
+
× ×
$
,
c
nc
M
L
R b h
=
× ×
n
3 6
$
T
δ
γ
= −
n
,
c
h
h
δ
=
n

,
s
A
b h
µ
=
×
n
s
b
E
n
E
=
78) 9,*,#,,#,9:;7, TRANG 22
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN
`
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G=IETFBK2OTAGT=C4@=C?X55=I>G<FE?FGW4?PGU?F>?A?D
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` t
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$
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Z h
δγ ξ
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+
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+
 
,
3 ,2" 6 , 32" ,2" ,2/6 /2
bv
h h a cm
φ
= − + = − + × =
` ;=@=CE=]4TN?V?FGB=O4?A?cE?FO4?AU?F>H?FR?^
?TBIG?4p4?QGWG=?K@=CE=]4TN?5=CGO4?A?c!
$!%!! Tính độ võng f
1
do toàn bộ tải trọng tác dụng ngắn hạn
- ?cG5=CGU?N>4=KRBQ<=CH?F356GB=O4?A?c@BXGWG=?K!
- >BPGU>BC@A4SB5U?Q54=KG>BPGU>BCRS1,,S&3456!
- ?N>G<=AG>BIT4T?XG?K4UTAHBI=IV?F
#
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c c c
q g p= +
K>
$

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tc tc
c s t
g g daN mg = + = + =
$
",3 i 6
c
p daN m=

$
/$2* ", 0*2*3 i 6
c
q daN m⇒ = + =
- ?N>G>BIT4T?XG<TDBQHBIO4?A?c
&
$

& &
&
0*2* &/"203 i 6
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c
q daN m= × =
+
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' '
; 0
c c
b b h=> = =
4=PGGBKO>]?V?FH?F4=PGGBKO@BI

'
0
s
A =
?CD
'
0
γ
=
n
'
0
δ
=
n
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=
n
0  $
,2,*0 0*2* & & $*/2#3 ! 6
c c
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,
$*/2#
,2,$#
! ! /", ,  ,2,/
c
nc
M

L
R b h
= = =
× × ×
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4=K
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a
b
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n
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×
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,
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x
h
ξ
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+
× ×

s $
,
3 6 ! 3,2*% ,6 ,, /2 &$2"%3 6
bq
A b h cm
ξ γ
= + = + × × =
$ $
 ,
! , ,2*%
  /2 *2#0
$3 6 $3, ,2*%6
Z h
δ γ ξ

γ ξ
   
+ +
= − = − × =
   
+ +
   
!
78) 9,*,#,,#,9:;7, TRANG 23
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN
- W
2$"
kc n
a
c
R W
S
M
ψ
×
= − ×
$
 $
3,2$0$ ,2*" ,2" 6
n
W bh
γ γ
= + + ×
` =P>EK>G>BPGU>BC4]?CG2G?4=K


$! !
$ * #2#"
,2,&*
! ,, ,
s
n A
b h
γ
× ×
= = =
×
n
2
$
!
,
!
s
n A
b h
γ
= =
$ #
3,2$0$ ,2*" ,2,&* ,2" ,6 ,, , #$*$
n
W cm= + × + × × × =
- W 
$
!

% #$*$
2// 
$*/2# ,
kc n
c
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2$"  ,2$"
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+
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1
f
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#
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&
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& ,2,,& ,2&
#/& *#/",
f m cm= × × = =
$!%!$! Tính độ võng f
2
do tải trọng dài hạn tác dụng ngắn hạn
- ?N>G<=AU?F>?AG?K4UTA
$
/$2*3 i 6
c c
q g daN m= =
TD<?
&
&
$
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& & & &

 $
&
/$2* &,203 i 6
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c
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l
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l l
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0  $
,2,*0 /$2* & & $#"2#3 ! 6
c c
M m q l l daN m= × × × = × × × =
$ # $
,
$#"2#
,2,0
! ! /", ,  ,2,/
c
nc
M
L
R b h
= = =
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` =PGGBKOR=PG<WGB=O4?A?cH?Fφ/?",


4=K
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1#2#"45
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n
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a
b
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s $
,
3 6 ! 3,2*/ ,6 ,, /2 &&2/3 6
bq
A b h cm
ξ γ
= + = + × × =
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! , ,2*/
  /2 *2#/
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Z h
δ γ ξ
γ ξ
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+ +
= − = − × =
   
+ +

   
!
- W
2$"
kc n
a
c
R W
S
M
ψ
×
= − ×
$
 $
3,2$0$ ,2*" ,2" 6
n
W bh
γ γ
= + + ×
` =P>EK>G>BPGU>BC4]?CG2G?4=K
78) 9,*,#,,#,9:;7, TRANG 24
ĐỒ ÁN TỐT NGHIỆP KSXD KHÓA 2010 -2012 TÊN ĐỀ TÀI: CHUNG CƯ MỸ PHƯỚC
GVHD KẾT CẤU : TH.S NHUYỄN VĂN GIANG GVHD THI CÔNG: TH.S TRỊNH TUẤN

$! !
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! ,, ,
s

n A
b h
γ
× ×
= = =
×
n
2
$
!
,
!
s
n A
b h
γ
= =
$ #
3,2$0$ ,2*" ,2,&* ,2" ,6 ,, , #$*$
n
W cm= + × + × × × =
- W 
$
!
% #$*$
$2$$ 
$#"2# ,
kc n
c
R W

m
M
×
= = = >
×
4=A51
2$"  ,2$"
a
ψ
⇒ = − =
- =C4KG@4TN?RBIG=I
$

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/2 *2#/
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uu *#,,3 ! 6
B daN cm
daN m
×
= =
+
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=
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2
f

4TN?R?NV?F
#
H?F
&
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& ,2,,#* ,2#*
#/& *#,,
f m cm= × × = =
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3
do tải trọng dài hạn tác dụng dài hạn
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$
/$2*3 i 6
c c
q g daN m= =
TD<?
&
&
$
$

& & & &
 $
&
/$2* &,203 i 6
& &
c
c

l
q q daN m
l l
= × = × =
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0  $
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` =PGGBKOR=PG<WGB=O4?A?cH?Fφ/?",
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,2&r
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×
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a
b
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h
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3 6 ! 3,2*/ ,6 ,, /2 &&2/3 6
bq
A b h cm
ξ γ
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δ γ ξ
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!
- W
2$"
kc n
a

c
R W
S
M
ψ
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3,2$0$ ,2*" ,2" 6
n
W bh
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= + + ×
` =P>EK>G>BPGU>BC4]?CG2G?4=K

$! !
$ * #2#"
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! ,, ,
s
n A
b h
γ
× ×
= = =
×
n
2
$

!
,
!
s
n A
b h
γ
= =
$ #
3,2$0$ ,2*" ,2,&* ,2" ,6 ,, , #$*$
n
W cm= + × + × × × =
78) 9,*,#,,#,9:;7, TRANG 25