TINH TOAN DO AN THEP 2

PHAN Tệ

6

MAậT CAẫT
(M)
0
3.05
6.1
0
3.05
6.1

M

hw

tw

bf

tf

kNm
214.358
214.358

mm
800
700

mm
8
6

mm
300
200

mm
10
8

3

f

t

fy

gm



275
250MPa
1,1

Wx

Mmin(kNm) - V(kN)

Mmax (kNm) - V(kN)

-149.177
-64.303
-14.792
-14.792
-64.303
-149.177

214.358
104.908
28.779
28.779
104.908
214.358

-32.508
-23.148
-13.788
-19.498
-30.648
-42.787

Ix
;
(t f hw / 2)

Ix

1
1
b f (hw 2t f )3 (b f tw )hw3
12
12

V
38,85

1,3(kN / cm2 ) (g c f v ) (0,9 0,58 25) 13,1( kN / cm 2 )
hw tw 60 0,5
gc x f v

t

1.018727

tteo

steo

2
2
s toe
3t toe
1,15 g c f

1.018727126 13.10420476

bf
tf



E 150

18, 75
f
8

25
116.6666667

200 103
28,3
250

l0
bf
(0, 73
0, 41 0, 0032
tf
b f

28.28427125
155.5634919

ẹặNH NOC

PHAN Tệ

4

5

MAậT CAẫT
(M)
0
3.05
6.1
0
3.05
6.1

Mmin(kNm) - V(kN)
-14.792
-28.917
-23.514
-23.514
-28.917
-14.792

-13.788
-4.428
-6.702
-7.279
-8.573
-19.498

Mmax (kNm) - V(kN)
28.779
21.351
19.031
19.031
19.031
19.031


hf 

M

hw

tw

bf

tf

kNm
23.514
28.917

mm
300
300

mm

8
6

mm
200
200

mm
8
8

Vmax

2b f  f g C f wf



16.67
 0.032(cm)
2  20  0.7  0.9 18.2

fwf =

18.2

fwf =

22.05

0.042512088

hf 

Vmax

2b f  S g C fWS



16.67
 0.028(cm)
2  20 1 0.9 16.5

0.02456253

hw

tw

bf

tf

Ix

mm

mm

mm

mm

750

10

200

12

cm4
104839


Mmax (kNm) - V(kN)

Vmax (kN)

42.787
30.648
19.498
13.788
23.148
32.508

42.787
30.648
19.498
19.498
30.648

42.787

Ix

Wx
4

3

cm
13255.33
5725.28

Ix 

cm
32.33
15.99

1
1
b f (hw  2t f )3  (b f  tw )hw3
12
12

gc
0.9
0.9

-150.864

-65.4692
-16.6785
-16.6785
-65.4693
-150.864

-32.74351
-23.38351
-14.02351
-19.97567
-31.24867
-43.38767

f

g cf

kN/cm
25
25

s max 

2

M

kN/cm
22.5
22.5

max

Wx

25)  13,1( kN / cm 2 )

s  3t  1,15  g c  f
2
toe

2
toe

13.22246562

25.875

hfk
600
E
200
f
250
 l0  
bf
bf bf  E
 (0, 73  0, 016 )
   0, 41  0, 0032


tf
t f h fk  f
 b f  
16.97056275

Mmax (kNm) - V(kN)
19.498
8.573
7.279
6.702
6.702
6.702

Vmax (kN)
19.498
8.573
7.279
7.279
8.573
19.498

218.9784557
108.070311
30.48372137
30.48367682
108.0702442
218.9783666

43.38766572
31.24866572

19.97567612
14.02350904
23.38350904
32.74350904

smax
2

kN/cm2
6.63
13.40

 gc f

Mmax =

214.358

Mmin =

-149.177

Vmax =

42.787

Nsmax =

34.098

Nsmin =

-38.086


Ix

Wx
4

cm
939.08
894.08

3

cm
5.94
5.66

gc

g cf

f

0.9
0.9

kN/cm

25
25

2

kN/cm
22.5
22.5

smax
2

kN/cm2
3.96
5.11

0.55  fwun
0.55  415

 182(Mpa )
gm
1.25

fWf 

fWS  0.45  fU  0.45  490( Mpa)

fws =

220.5

fwt =

Iy

Wx
4

cm
662537

3

Cm
2709

Wy
3

cm
66253

A

Aeff
2

cm
123

2

cm
175

ix

iy

cm

cm

35

4.1

Af
Aw


43.38767
31.24867
19.97568
19.97567
31.24867
43.38767




Af
Aw

0.39


60

2