đồ án thi công

Đ N MÔN HC K THUT V T CHC XÂY DNG GVHD :
NGUYN TH HUÊ
MC LC :
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 !
"#$%&'%(%) *+&',-%.
./0&&12+&1 #$%&'%3&4&1 556
.7$,+&12&&16
..50&&18
.9$%&'%3&4&1 55:
;<+=,$>4?
.9$%&'@A(%5,$>4?
B=,4
6+$% %C%>DE .
6FG#(%<H$%>D.
6.+$A#*%>D*+H$%<.6
6.A  .6
6..A%I%J.8
KF12A2&I,L4 .M
KF1 .M
K.N O
KFI, 
855$ 
8%<$ .
86; $%P$+L$ 
:0% 2QD&R5&42D&R0%K

Đ N MÔN HC K THUT V T CHC XÂY DNG GVHD : NGUYN TH HUÊ
Đ N MÔN HC KỸ THUẬT VÀ TỔ CHỨC XÂY DỰNG
A.ĐỀ BÀI:
1.1. Đặc điểm kết cấu công trình:

; S#T9%U%V%SQB U>O%,2,$%OO;$%5%(% 
S%)!322%V%&%,W ,$%.KO
;$% A%)&G!
N&+=%V%
XB+R,%,T
Y
NV BG4E.V
;G%+

2 3 5.5 4
1.2. Đặc điểm khí tượng thủy văn:
9&%#0>BP%B4%U.,Z!
[ \]^]K
[,\]8^]O
_&4S.K
+
;2
,#
`:
+
;2
,
`O
+
;
1.3. Đặc điểm thi công:
_0%,$>,U%a,b>%I1%-%% 
N>% ! [ .6c.M>]$d
[,Mc.O>]$
Page .

Đ N MÔN HC K THUT V T CHC XÂY DNG GVHD : NGUYN TH HUÊ
e=,C%% S% \8$&5@,2f% \]@,.OO
1.4. Vật liệu xây dựng
;$2&$2Aa$%%$%% SO,
  A ;$ F$ 9,@

γ

X],

Y
.8. .8K O
.
γ
+
X],

Y
8K 8K O
 g

XhY O K O
1.5. Vật liệu làm ván khuôn
 iWj2$,kI>O2K%,dI,Cj;.O2I,%j.;.O2γ
j
`
:2MX],

Y
B.TỔ CHỨC THI CÔNG

1. Tính khối lượng và dự trù vật liệu
a. Lập bảng tính khối lượng bê tông:
Bl_m!Bl_mn_e7eopqr_m
[$%
B
N

e=,C% 7X,

Y
N
5
%(
1
X,

Y
Page 
Đ N MÔN HC K THUT V T CHC XÂY DNG GVHD : NGUYN TH HUÊ
OO 
B U,UA0V%
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2
6

26
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:
2
6

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.
2
8
6
O2
O O
O
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`
2OM2K
.
62:862
+
`28
 28
OO .
B U,U
K K 8 6 .O
.
2


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2
:
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:

2
6
O2
i`Ns
`O2?6O2:26
`?2O
 ?2O
OO  B U,U%V%X&+=
V%Y
O2

?
2
6
O26K
O
M2M?
O6
O
i`Ns

Page 6
Đ N MÔN HC K THUT V T CHC XÂY DNG GVHD : NGUYN TH HUÊ
`.O26O2?26
`?268

 ?268
OO 6
B U,U%V%X&+=
%Y


?
2
6
O2
O
O6
82MM
2K6
26
i`Ns
` 2K.O2?26
`628?

 628?
1 2M
.KO K
B &$>A0V%
K
.2.


:26
286
 
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i`Ns
`   X2.Kt.
.


Xt.YY
.
862 62: +
`6.O26.

 6.O26.
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Đ N MÔN HC K THUT V T CHC XÂY DNG GVHD : NGUYN TH HUÊ
.KO 8
B &$>L
2M
2K
2K28
26
.
K26
O
.2.
28
2K

:
2
6

i`Ns
  `u2MOc
K
.

K2882
+
c
.

K2628v:26
`6MO2.



6MO2.

.KO :
B &$>%V%X&+=&IY
26 2.
28
O2:
O2:
.
O
2

.
62.
2.
O2
O2
O2
O2
i`Ns

  ``uO2:26t2.26t
2.28v.O2.t
2O.
.
82O2O
+
62.
`?2.M

. M82K8
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Đ N MÔN HC K THUT V T CHC XÂY DNG GVHD : NGUYN TH HUÊ
.KO M
B &$>%V%X&+=&IY
.
O
2

.
K2K
.
O2
O2
O2
O2

i`Ns
`2.K2K.O2.t     K2K
2O.
.

82O2O
+

`62.:


. .8M2K6
.KO ?
B &$>%V%X&+=%Y
.
6
O:
O:
6.
.
O.
8
O2
O2
6
2
:
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2
6
.
.
2

.

O28
2.
2M
O2
2.

i`Ns
  `uO2:26t262.t
2.28v 2.t
.262O
.
82O2O +
t
.
:2662 +
O2862.`.2OM
. 628
.KO O B &$>%V%X&+=%Y
i`Ns
. .O2.
Page :
Đ N MÔN HC K THUT V T CHC XÂY DNG GVHD : NGUYN TH HUÊ
K2K
2M
26
62:
2.
2.
O2
O2


  `K2K2. 2.t 
.
:2662 +
O28K2Kt
K2K2O
.
82O2O
+
`8O2

.KO 
3A0V%
K]%+AO`K2.
.2O

2
8

i`Ns
`
O%+A
K
.2O28
`6M2:6

6 ?62?8
.KO .
3A0V%
K]%+AO`K2.

O2:
2:
28

i`Ns
`X
O%+A
K
O2:t
.


O%+A
K
Y28
`.?2.6

. KM26M
.KO 
3

M2M.
Page M
Đ N MÔN HC K THUT V T CHC XÂY DNG GVHD : NGUYN TH HUÊ
.
.28
28
O2:
K26
OO


i`Ns
`uO2:Ot
62K?2
.

v28
`?26

.

.KO 6
3
O
2:

2
8
?26
26

i`Ns
`u
.
62?O
+
O2tO26v28
`.:2O8

. K62.

.KO K
3
?26
2:

2
8
8
i`Ns
`
82:2
.
62?8
+
`.O2?6

. 62MM
.KO 8 C
i`Ns
`uO2:Ot
62K82
.

v28`M2
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Đ N MÔN HC K THUT V T CHC XÂY DNG GVHD : NGUYN TH HUÊ
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Đ N MÔN HC K THUT V T CHC XÂY DNG GVHD : NGUYN TH HUÊ
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Đ N MÔN HC K THUT V T CHC XÂY DNG GVHD : NGUYN TH HUÊ
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2. Phân đợt đổ, khoảnh đổ bê tông và xác định cường độ đổ bê tông thiết kế
2.1 Khái niệm khoảnh đổ, đợt đổ
Khoảnh đổ

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Đ N MÔN HC K THUT V T CHC XÂY DNG GVHD : NGUYN TH HUÊ
/0+ &1 %@%-+!
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_%&D,!+&13V3$C%+% &%U,k%Pa&%4V%
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_%&D,!#ˆ*% -%=2$ V3&%$C%+#0>&
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Đợt đổ
 F&1  &%&1C%+,4+3(&'[4&&1
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 [Œ&&1R,!
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Đ N MÔN HC K THUT V T CHC XÂY DNG GVHD : NGUYN TH HUÊ
• F1 ++&1
• "L4 $+L$ 
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Đ N MÔN HC K THUT V T CHC XÂY DNG GVHD : NGUYN TH HUÊ
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Đ N MÔN HC K THUT V T CHC XÂY DNG GVHD : NGUYN TH HUÊ
3.1. Chọn loại máy trộn
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Đ N MÔN HC K THUT V T CHC XÂY DNG GVHD : NGUYN TH HUÊ
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Đ N MÔN HC K THUT V T CHC XÂY DNG GVHD : NGUYN TH HUÊ
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Đ N MÔN HC K THUT V T CHC XÂY DNG GVHD : NGUYN TH HUÊ
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cSố lượng máy trộn bêtông:
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m
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N  ,$>    E  %U  D  (>  W  XK ÷ .KhY  ,
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- Năng suất trạm trộn:
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`8K2?`.26X,
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3.3. Bố trí trạm trộn
;<'&k%$%=,4>P%!
c%+%52%%(V%4 
c%+%%>D%2%>DE 
ce=%5%%>D=,4GI
Page
Đ N MÔN HC K THUT V T CHC XÂY DNG GVHD : NGUYN TH HUÊ
%<'&k=,4f&I%V%-(iSU%UV2'
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4.Tính toán công cụ vận chuyển vữa bê tông
4.1 Đề xuất và lựa chọn phương án vận chuyển

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%-%)E 55i%%>DE a,b%$%>%IA!
cB  '0%L[>&3%>D W˜,AI%L 
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,$
cF,+%(%)E &–>%I55!5'&  ‹Š2%<
E  ‡$&I>&D$E 'Hb%–†%*&>%*P
c7 &D A5&I"+>%<%$%H%>D
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ci%%>DE \=,4&5+&1%I&,+%&4&1 2&D$
$A*=f+&1
tY;$%%@%-&D%<S-%%>D!
cy>, 2% S
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Đ N MÔN HC K THUT V T CHC XÂY DNG GVHD : NGUYN TH HUÊ
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9jH$.!"#*%5%>DE ++&1X%>~OO,Y
Fk=,4&4%=% SH&)4&D%UD5i%>D%+
4W,$>#–%B &%%f+&1&++&1W,$FI,2A W
&I,%>C%,G,
• q&D,

tm$•2‰,
• _%&D,!
t;RG2U@+%I&12%<&3% †7 $C
&%V ,%%•
%<H$-(!  5V%I%J&D&E ++&1
4.2Tính toán số xe vận chuyển theo phương án chọn
4.2.1 Tính số ô tô
s;<+=  !
*+A1>,$>% S%<H%>DE A!
+=  %>DE NB^K?%)_%U%$% AA!
"%I%>D!.OOXY
"%=!8OOXY
%&4‡>%)4!7=4!?‹]–
7#2‡>%%G!2?‹]–
"%V%!O2:,

Page .6
Đ N MÔN HC K THUT V T CHC XÂY DNG GVHD : NGUYN TH HUÊ
%&4‡>&4%H%)!8OO‹]–
7%V%V=!"#•4#;+`.2?K#.2:K#26.
*+&',-%+$#0>%HA::8].OO:yF]B9"%)B4#0>!

FH'!OO,

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; 
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+
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≤2O,
≤2K,
≤.2O,
≤2O,
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62.
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.2O?
.2.K
.26.
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266
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286
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.2OM
 . 
"++%$%%>D\=,4V%$%'&1aHO2K,%<+=  ,b
•™K.
Page .K