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Solutions for certain rectangular slabs continuous over flexible ...

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74 ILLINOIS ENGINEERING EXPERIMENT STATION<br />

Pa? 1<br />

w -= - - (f( cosh ay - sinh ay<br />

273N ...... n3<br />

+ ay cosh ay - f3 ay sinh ay) sin au sin ax<br />

Qila 2 1 nr<br />

3- - (f2 cosh ay -f4 ay sinh ay) sin sin ax<br />

W , .. na 3<br />

'(181)<br />

Q 2 a 2<br />

n1 fl<br />

3 (f2 cosh ay -f4 ay sinh ay) sin - sin ax.<br />

7rN .,..6.. n 3<br />

The deflection of each of the edge beams is then<br />

1 Pa 2 1<br />

z = w<br />

Sb 2WN ,- n 3<br />

f2 sin au sin ax<br />

Qa 2 1 nr<br />

f- sin - sin ax (182)<br />

S .. n 3 3<br />

Q 2 a 2 1 n2r<br />

-- f7 sin - sin ax.<br />

r 3 .. n4 3<br />

The conditions<br />

give the relations<br />

S = =0<br />

J b J =b<br />

x=a/3 x=2a/3<br />

S1<br />

fln<br />

2 sinau sin -<br />

P 1 . n 3 3<br />

2nr<br />

1<br />

E<br />

fy f 7 sin 2 -<br />

1,,8,- n3 3<br />

1 fnlr<br />

> f2 sin au sin -<br />

P n.. 3<br />

Q 2 = -------------<br />

Q2_n f7 sin2-<br />

2,,... n 3<br />

'(183)<br />

The quantities fl, f2, fa, f4 and f7 are given in Appendix B.

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