On a railroad, a -0.8% grade meets a +0.4% grade at Sta. 2 + 700 whose elevation is 30 m. The maximum allowable change in grade per station having a length of 20 m is 0.15 %. It is desired to place a culvert to draw the waters during heavy downpour. Where must this culvert be located? At what elevation must the invert of the culvert be set if the pipe has a diameter of 0.9 m and the backfill is 0.3 m high. Neglect the thickness of the pipe. Please show the detailed solution. Thank you

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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On a railroad, a -0.8% grade meets a +0.4% grade at Sta. 2 + 700 whose elevation is 30 m. The maximum allowable change in grade per station having a length of 20 m is 0.15 %. It is desired to place a culvert to draw the waters during heavy downpour. Where must this culvert be located? At what elevation must the invert of the culvert be set if the pipe has a diameter of 0.9 m and the backfill is 0.3 m high. Neglect the thickness of the pipe.

Please show the detailed solution. Thank you

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