tinh o ban

7/24/2019 TINH O BAN

1/8

3. BANG NOI LC VA KET QUA TNH TOA

O San ! " "#! $ % &' H

-+a/ +01 2 2 -$#2"1-$#2"1 -$4%15 2

S5 9 1.1 4 3.64 473.8 240 785.18 MnMgoi

S6 9 1.3 4 3.08 369.8 360 948.74 Mn

Mgoi

S7 9 1.7 4 2.35 369.8 360 1240.66 Mn

Mgoi

S8 9 0.7 4 5.71 473.8 240 499.66 Mn

Mgoi

S9 9 0.5 4 8.00 473.8 240 356.90

Mn

Mgoi


2/8

N

() *+, 7/

+2(n6 K$.2

h =pl2/8 118.8=0.5Mnh 59.4

h =pl2/8 200.4

=0.5Mnh 100.2

h =pl2/8 448.2

=0.5Mnh 224.1

h =pl2/8 30.6

=0.5Mnh 15.3

h =pl2/8 3.7

=0.5Mnh 7.4


3/8

Rn= 110 G/cm2 Ra 2300

SHSMomen

! "he#p cho$n

% kGm& %cm& %cm& ' a

S1

174.6 100 8.5 0.022 0.022 0.90 6 200 1.26174.6 100 8.5 0.022 0.022 0.90 6 200 1.26

406.9 100 8.5 0.051 0.053 2.14 8 200 2.5

406.9 100 8.5 0.051 0.053 2.14 8 200 2.5

S1!

209.0 100 8.5 0.026 0.027 1.08 6 200 1.26

209.0 100 8.5 0.026 0.027 1.08 6 200 1.26

486.9 100 8.5 0.061 0.063 2.57 8 150 3.35486.9 100 8.5 0.061 0.063 2.57 8 150 3.35

S2

148.5 100 8.5 0.019 0.019 0.77 6 200 1.26

77.8 100 8.5 0.010 0.010 0.40 6 200 1.26

334.6 100 8.5 0.042 0.043 1.75 8 200 2.5

391.2 100 8.5 0.049 0.050 2.05 8 200 2.5

S3

143.4 100 8.5 0.018 0.018 0.74 6 200 1.26

74.4 100 8.5 0.009 0.009 0.38 6 200 1.26

323.0 100 8.5 0.041 0.042 1.69 8 200 2.5375.6 100 8.5 0.047 0.048 1.97 8 200 2.5

S4

89.3 100 8.5 0.011 0.011 0.46 6 200 1.26

22.4 100 8.5 0.003 0.003 0.11 6 200 1.26

191.2 100 8.5 0.024 0.024 0.99 8 150 2.5

47.8 100 8.5 0.006 0.006 0.25 8 150 2.5

S4!

104.5 100 8.5 0.013 0.013 0.54 6 200 1.26

26.3 100 8.5 0.003 0.003 0.13 6 200 1.26

223.8 100 8.5 0.028 0.029 1.16 8 200 2.556.0 100 8.5 0.007 0.007 0.29 8 200 2.5

ho (a))

%cm2& (ach%cm2&

M1

M2

M*

M**

M1

M2

M*M

**

M1

M2

M*

M**M1M

2

M*M

**

M1M

2

M*

M**

M1M

2

M*M

**


4/8

+%,&-iem )a

0.1 )hoa 31.32710.1 )hoa 31.3271

0.29 )hoa 23.5343

0.29 )hoa 23.5343

0.1 )hoa 26.1174

0.1 )hoa 26.1174

0.39 )hoa 19.55660.39 )hoa 19.5566

0.1 )hoa 36.8937

0.1 )hoa 70.7544

0.29 )hoa 28.7583

0.29 )hoa 24.5041

0.1 )hoa 38.224

0.1 )hoa 73.9695

0.29 )hoa 29.80850.29 )hoa 25.5446

0.1 )hoa

0.1 )hoa

0.29 )hoa

0.29 )hoa

0.1 )hoa

0.1 )hoa

0.29 )hoa0.29 )hoa

+min

++ma


5/8

Rn= 110 kG/cm2 Ra 2300

SHS

Momen

!

"he#p c

% kGm& %cm& %cm& ' a

S5 118.8 100 8.5 0.015 0.015 0.61 6 200

59.4 100 8.5 0.007 0.007 0.30 8 200S6

200.4 100 8.5 0.025 0.026 1.04 8 200

100.2 100 8.5 0.013 0.013 0.52 8 200

S7 448.2 100 8.5 0.056 0.058 2.36 6 100

224.1 100 8.5 0.028 0.029 1.16 8 200

S8 30.6 100 8.5 0.004 0.004 0.16 6 200

15.3 100 8.5 0.002 0.002 0.08

S9 3.7 100 8.5 0.000 0.000 0.02 6 200

7.4 100 8.5 0.001 0.001 0.04

ho (a

))

%cm2&

Mnh

Mg

Mnh

Mg

Mnh

Mg

Mnh

Mg

Mnh

Mg


6/8

o$n

+%,&

-iem )a

1.26 0.1 )hoa

2.5 0.3 )hoa1.26 0.1 )hoa

2.5 0.3 )hoa

2.82 0.3 )hoa

2.5 0.3 )hoa

1.26 0.1 )hoa

1.26 0.1 )hoa

(ach%cm2& +min++ma


7/8

SHS

%kG& %kGm& %kGm& %kGm&

S1 609.8 4 4 9756.8 174.6 174.6 406.9

S1! 729.8 4 4 11676.8 209.0 209.0 486.9

S2 609.8 4 2.9 7073.7 148.5 77.8 334.6S3 609.8 4 2.8 6829.8 143.4 74.4 323.0

S4 609.8 4 2 4878.4 89.3 22.4 191.2

S4! 713.8 4 2 5710.4 104.5 26.3 223.8

l2%m& l

1%m&

M1

M2

M*

%kG/m2&


8/8

%kGm& g p m1 m2 k1 k2

406.9 240 369.8 0.0179 0.0179 0.0417 0.0417

486.9 360 369.8 0.0179 0.0179 0.0417 0.0417

391.2 240 369.8 0.0210 0.0110 0.0473 0.0553375.6 240 369.8 0.0210 0.0109 0.0473 0.0550

47.8 240 369.8 0.0183 0.0046 0.0392 0.0098

56.0 240 473.8 0.0183 0.0046 0.0392 0.0098

M**

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