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Design of Compression Members
Design of Compression Members
A strut is defined as a structural member subjected to compression in a direction parallel to its longitudinal axis. The term strut is commonly used for compression members in roof trusses. A strut may be used in a vertical position or in an inclined position in roof trusses. The compression members may be subjected to both axial compression and bending.
When compression members are overloaded then their failure may take place because of one of the following:
Direct compression
Excessive bending
Bending combined with twisting
The failure of column depends upon its slenderness ratio. The load required to cause above mentioned failures decreases as the length of compression member increases, the cross-sectional area of the member being constant.
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