Tension member are designed to carry tensile forces.
Compression member are designed to carry compression forces.
Tension member carry load more efficiently than compression one. Because in tension member normal stress is proportional to strain and there is no chances of buckling failure of the member i.e. there is no extra stress due to buckling.
But in compression member there is a chance of buckling of the member along with the normal stress due to loading.So its load capacity is less.
So due to this a member will carry more tension load than the compression load.
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