The value of the impact factor for the concrete bridge of 3 m span is

This question was previously asked in
BPSC AE Paper 6 (Civil) 11 Nov 2022 Official Paper
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  1. 0.5
  2. 0.7
  3. 0.9
  4. 0.3

Answer (Detailed Solution Below)

Option 1 : 0.5
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concept:

Impact factor is taken to accommodate impact of live load on structures.

As per IRC 112, different types of vehicles have different impact factor.

For Reinforced concrete structures, it is given by:

Where,

L = span of the bridge=3 m.

 

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