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4. On a railroad a -8% grade meets a +4% grade at station 2+700 whose elevation of 30.00 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 drain the flood waters during heavy downpour. At what elevation must the invert of the culvert be set if the pipe has a diameter of 0.9m. and the backfill is 0.30 m, high? Neglect the thickness of the pipe.

4. On a railroad a -8% grade meets a +4% grade at station 2+700 whose elevation of 30.00 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 drain the flood waters during heavy downpour. At what elevation must the invert of the culvert be set if the pipe has a diameter of 0.9m. and the backfill is 0.30 m, high? Neglect the thickness of the pipe.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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4. On a railroad a -8% grade meets a +4% grade at station 2+700 whose elevation of 30.00 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 drain the flood waters during heavy downpour. At what elevation must the invert of the culvert be set if the pipe has a diameter of 0.9m. and the backfill is 0.30 m. high? Neglect the thickness of the pipe.
Transcribed Image Text:4. On a railroad a -8% grade meets a +4% grade at station 2+700 whose elevation of 30.00 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 drain the flood waters during heavy downpour. At what elevation must the invert of the culvert be set if the pipe has a diameter of 0.9m. and the backfill is 0.30 m. high? Neglect the thickness of the pipe.
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