On increasing the depth, the deep bar may bend as shown in figure this is called as ?A.,. Here, A refers to |
A) Buckling
B) Bucking
C) Building
D) Sagging
Correct Answer: A
Solution :
But on increasing the depth, unless the load is exactly at the right place (difficult to arrange in a bridge with moving traffic), the deep bar may bend as shown in Fig. (i). This is called bucking. |
To avoid this, a common compromise is the cross-sectional shape shown in Fig. (ii). It provides a large load-bearing surface and enough depth to prevent bending. |
This shape reduces the weight of the beam without sacrificing the strength and hence reduces the cost. |
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