Civil Engineering - Estimating and Costing - Discussion
Discussion Forum : Estimating and Costing - Section 2 (Q.No. 18)
18.
If B is the width of formation, d is the height of the embankment, side slope S : 1, for a highway with no transverse slope, the area of cross-section is
B + d + Sd
Bd + Sd2
B x d - Sd1/2
(Bd + Sd2)Discussion:
1 comments Page 1 of 1.
Ranjitha said:
9 years ago
Top width is B.
Bottom width is b + sd + sd = b + 2sd.
Depth of embankment is d.
Area of trapezoidal = (d/2) * (b + b + 2sd) .
= (d/2) * (2b + 2sd).
= (d/2) * 2 * (b + sd).
= bd + sd * d.
= bd + s(d^2).
Bottom width is b + sd + sd = b + 2sd.
Depth of embankment is d.
Area of trapezoidal = (d/2) * (b + b + 2sd) .
= (d/2) * (2b + 2sd).
= (d/2) * 2 * (b + sd).
= bd + sd * d.
= bd + s(d^2).
(3)
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