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34. In order for gravel roads to have proper drainage, the highest point on the road (the crown) should slope downward on either side to the shoulders of the road. EPA guidelines for maintaining gravel roads with a low volume of traffic suggest that a 20-ft wide road should have a centerline crown that is 5 to 7 in. high. (Source: http://water.epa.gov) 20-ft road surface Height of crown a. To the nearest tenth of a degree, find the angle of depression for a 5-in. centerline crown. b. To the nearest tenth of a degree, find the angle of depression for a 7-in. centerline crown.

34. In order for gravel roads to have proper drainage, the highest point on the road (the crown) should slope downward on either side to the shoulders of the road. EPA guidelines for maintaining gravel roads with a low volume of traffic suggest that a 20-ft wide road should have a centerline crown that is 5 to 7 in. high. (Source: http://water.epa.gov) 20-ft road surface Height of crown a. To the nearest tenth of a degree, find the angle of depression for a 5-in. centerline crown. b. To the nearest tenth of a degree, find the angle of depression for a 7-in. centerline crown.

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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34. In order for gravel roads to have proper drainage, the highest point on the road (the crown) should slope downward on either side to the shoulders of the road. EPA guidelines for maintaining gravel roads with a low volume of traffic suggest that a 20-ft wide road should have a centerline crown that is 5 to 7 in. high. (Source: http://water.epa.gov) 20-ft road surface Height of crown a. To the nearest tenth of a degree, find the angle of depression for a 5-in. centerline crown. b. To the nearest tenth of a degree, find the angle of depression for a 7-in. centerline crown.
Transcribed Image Text:34. In order for gravel roads to have proper drainage, the highest point on the road (the crown) should slope downward on either side to the shoulders of the road. EPA guidelines for maintaining gravel roads with a low volume of traffic suggest that a 20-ft wide road should have a centerline crown that is 5 to 7 in. high. (Source: http://water.epa.gov) 20-ft road surface Height of crown a. To the nearest tenth of a degree, find the angle of depression for a 5-in. centerline crown. b. To the nearest tenth of a degree, find the angle of depression for a 7-in. centerline crown.
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