2. A concrete roof beam for an auditorium has a straight edge top and a parabolic lower edge as detailed in the figures. (a) Describe the four sides of its arched cross section with equations in the xy - plane. A Parabola 0.50 m 10.0 m. (b) Use a definite integral to find the cross sectional area, A, of the beam in the xy - plane. (c) Determine the volume of concrete in the beam. 1.25 m 0.50 m

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Highway Drainage

Highway drainage is the process of extracting and regulating the excess surface water on the pavement by giving the desired slope. The construction of a highway drain helps to divert the water present on the surface, and sub-grade by the means of slope. Highway drainage systems are a necessary part of smooth functioning of traffic, since the highway drainage systems provide proper disposal of unwanted substances from the highways.