Question

Required: Givena Two level sections 75-ft apart with Center 4.8 and 7,2 feat in heights 30 ft, side compute cut, base width the sections Draw Cross Slopes 2:1. earthwork and volumes,

Answer 1

ANSWER :

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Answer: Given data A) e Claudia level sections (L) = 75 ft distance between two central heights h = 4.8 ft of sections - ha= 7.2 ft Base width (b) = 30 ft Row Hoog side slope (s:1) 2:1 crossectiong: - 21 h, 24 8ft de h₂ = 17-2ft 2 2:1 2:1 b=30ft br30 Ft section-1 section-2

Arco of section in A = (b + shishi A1 = (30+ 2 (4.5)) 408 190.08 ft ² Area of section-2 Az = (bt shahz Az = (30+2 (4-2) 7. 2 = 319.68 ft volume of earth woolk. By using trapezoil costomila :- + And [(A1+An) + 2 (Ag + Azt V= 1 / 3 Ve 7 / [(190-08 + 319-68) V= 19116 3 ft . The earth woord volume = a1l6 ft3