According to IS:800 code in actual design, maximum permissible deflection is limited to _______

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JKSSB JE Civil Jal Shakti 6 Dec 2022 Official Paper (Shift 1)
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  1. (span / 325)
  2. (span / 200)
  3. (span / 525)
  4. (span / 300)

Answer (Detailed Solution Below)

Option 1 : (span / 325)
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Explanation:

Deflection of beam:

  •  The deflection of a member is calculated without considering the impact factor or dynamic effect of the loads causing the deflection.
  •  The deflection of a member shall not be such as to impair the strength or efficiency of the structure and lead to damage to finishing.
  •  Generally, the maximum deflection for a beam shall not exceed 1/325 of the span. This limit may be exceeded in cases where greater deflection would not impair the strength or efficiency of the structure or lead to damage to finishing.
  • The deflection of the beams may be decreased by increasing the depth of beams, decreasing the span, providing greater and restraint or by any other means.
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