Question: a ) Calculate the mid - span vertical deflection at joint F using virtual work theory ( unit load method ) . The cross -

a) Calculate the mid-span vertical deflection at joint F using virtual work theory (unit load method).
The cross-sectional area of the compression members is 3790mm2(using UK channel section of 2009030mm), while that of the tension members is 1300mm2(using UK channel section of 1005010mm). Young's modulus is 210000Nmm2.
Work the whole thing out
Figure Q1

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