Answer / nagori salim

Shear Key is provided at the bottom of Earth Retaining
structures to avoid shear failure.

Steel schedule is a tabular format showing steel details
such as shape of bar, length of each bar & total required
length, dia of bar, wt/m & total weight.

Answer / s.venkatesh naik

the shear key is nothing but provision for increasing the bonding B/W two successive concrete generally old concrete to a new concrete

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