How much of the borrow material is required to fill the site

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A planned fill site requires 2500m^3 of fill material with yd = 18.5 kN/m^3 and w= 14%. The material is brought from a borrow site that has yt=19.5 kn/M63 with w=16.5% and Gs=2.70 How much of the borrow material (in cubic meters) is required to fill the site ? How heavy is it ? the answers are V= 2763 m^3 and W= 53881 KN but idk how to get them

Reference no: EM13304597

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