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Q: When designing steel structures, the effective length of battened compression members should be _______.
  • A. increased by 20%
  • B. decreased by 20%
  • C. decreased by 10%
  • D. increased by 10%
Correct Answer: Option D - Batten plate–The batten plates are also called as the plates and these are also used in lateral system. The angle sections, channels and I-sections are also used as battens. The components of built-up column sharing the load are connected together by batten plates. The battening of columns shall not be done where the columns are subjected in the plane of batten to eccentric loading. • A battened column is designed with its effective length 10% in excess of the usual standard cases as shear deformation is more as compared to lacings.
D. Batten plate–The batten plates are also called as the plates and these are also used in lateral system. The angle sections, channels and I-sections are also used as battens. The components of built-up column sharing the load are connected together by batten plates. The battening of columns shall not be done where the columns are subjected in the plane of batten to eccentric loading. • A battened column is designed with its effective length 10% in excess of the usual standard cases as shear deformation is more as compared to lacings.

Explanations:

Batten plate–The batten plates are also called as the plates and these are also used in lateral system. The angle sections, channels and I-sections are also used as battens. The components of built-up column sharing the load are connected together by batten plates. The battening of columns shall not be done where the columns are subjected in the plane of batten to eccentric loading. • A battened column is designed with its effective length 10% in excess of the usual standard cases as shear deformation is more as compared to lacings.