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Račun mejne nosilnosti plošč po metodi porušnih linij

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MK II – 11/12, 8.vaja<br />

4.2.1. Virtualno delo zunanjih sil za P1<br />

Potek rušnic ter izbrana območja:<br />

w = 0<br />

Ob2<br />

Ob1<br />

7<br />

w = 1.0<br />

Ob3 71- ( -)<br />

Ob4<br />

Ob5<br />

7<br />

4.00<br />

območje Ob1:<br />

w = 0<br />

w = 0.333<br />

Ob1<br />

7<br />

δW<br />

z,1<br />

1 4 7α<br />

qδwdA<br />

q <br />

3 2<br />

Ob1<br />

w = 1.0<br />

7( 1-- )<br />

7<br />

4.00<br />

območje Ob2:<br />

w = 0.333<br />

Ob2<br />

w = 0<br />

w = 1.0<br />

7<br />

7( 1-- )<br />

δW<br />

z,2<br />

1 2 7α<br />

qδwdA<br />

q <br />

3 2<br />

Ob2<br />

7<br />

4.00<br />

10

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