Estimating and Costing
A portion of an embankment having a uniform up-gradient 1 in 500 is circular with radius 1000 m of the centre line. It subtends 180° at the centre. If the height of the bank is 1 m at the lower end, and side slopes 2:1, the earth work involved.

26,000 m³
27,500 m³
26,500 m³
27,000 m³

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Estimating and Costing
In the mid-section formula

The area of mid-sections is calculated by using mean depth
All of these
The mean depth is the average of depths of two consecutive sections
The volume of the earth work is calculated by multiplying the mid-section area by the distance between the two original sections

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