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The relevant properties of each joist are:

/„ = 96 x 1(T6 m4, Iyy = 4.2 x 10~6 m4, A = 6 x 10"3 m2

Solution

For the strut of Fig. 2.14:

/„ for joists = 2 x 96 x 10"6 = 192 x 10~6 m4

# f i t n « °"3243 0 33 x 0-30°3 ¡xx for plates = 0.33 x

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