If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as
A. 0
B. 0.5
C. Between 0.5 and 1.0
D. 1.0
Answer: Option C
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B. Vertical load only
C. Both (A) and (B)
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A. Bottom chord area
B. Top chord area
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Cda=0.15+8/6+L
L=6m
Cda=0.15+8/6+6
Cda=0.817