Discussion :: UPSC Civil Service Exam Questions
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On which one of the following concepts is the basic principle of structural design based ?
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A.
Weak column strong beam
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B.
Strong column and weak beam
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C.
Equally strong column-beam
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D.
Partial weak column-beam
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Answer : Option B
Explanation :
In tall buildings, it is important to control lateral displacements within the serviceability limit state. A structural system may be classified as follows:
(i) Buildings frame system
(ii) Moment resisting frame system
(iii) Dual frame system
(iv) Tube system
In a moment resistant frame, the relative stiffness of beam and column is very important. A frame may be designed using weak column-strong beam proportions or strong column – weak beam proportions. A frame with weak beam - strong column is more stable and therefore highly desirable.
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