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Calculate the quantity of earthwork for 200 m length for a portion of road in an uniform ground the heights of banks at the two ends being 1.00 m and 1.60 m. The formation width is 10 mm and side slope 2:1. Assume that there is no traverse slope.(a) 3276 cu m(b) 5676 cu m(c) 6757 cu m(d) 1121 cu mI got this question by my college director while I was bunking the class.This key question is from Estimate of Earthwork by Three Methods topic in division Road Estimating, Sanitary and Water Supply Work of Civil Engineering Drawing

Answer»

The CORRECT choice is (a) 3276 CU m

The best explanation: Quantity = (Bd+sd2) *length

Where, B=10 m, S=2, L=200 m, d=mean DEPTH = (1+1.60)/2 = 1.30 m

Quantity = (10*1.3+2*1.32)*200 = (13=3.38)*200 = 16.38*200 = 3276 cu m.



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