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4. Compute the passing sight distance for the following data: Passing Vehicle Speed 60 kph Overtaken vehicle speed= 40 kph Time of initial maneuver= 3.4 sec Average acceleration= 1.90 kph/sec Time passing vehicle occupies the left lane= 5.6 sec d3 = 100 ft. 20

4. Compute the passing sight distance for the following data: Passing Vehicle Speed 60 kph Overtaken vehicle speed= 40 kph Time of initial maneuver= 3.4 sec Average acceleration= 1.90 kph/sec Time passing vehicle occupies the left lane= 5.6 sec d3 = 100 ft. 20

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. Compute the passing sight distance for the following data: Passing Vehicle Speed = 60 kph Overtaken vehicle speed= 40 kph Time of initial maneuver= 3.4 sec Average acceleration= 1.90 kph/sec Time passing vehicle occupies the left lane= 5.6 sec d3 = 100 ft. 5. A sag vertical curve is to be designed to join a -5% grade to a +2% grade. If the design speed is 40 mi/h, determine the minimum length of the curve that will satisfy all criteria (headlight sight distance criteria, comfort ariteria). Assume an 11.2 ft /sec? and perception- reaction time of 2.5 sec. Rider's comfort criterion for English Units: L= Av² 46.5 centrifo gal nceleuntim Sacs int exced I ftleet L=Length of Carere in ft V= deiga sped or vele ciby in %3D %3D %3D A- in %
Transcribed Image Text:4. Compute the passing sight distance for the following data: Passing Vehicle Speed = 60 kph Overtaken vehicle speed= 40 kph Time of initial maneuver= 3.4 sec Average acceleration= 1.90 kph/sec Time passing vehicle occupies the left lane= 5.6 sec d3 = 100 ft. 5. A sag vertical curve is to be designed to join a -5% grade to a +2% grade. If the design speed is 40 mi/h, determine the minimum length of the curve that will satisfy all criteria (headlight sight distance criteria, comfort ariteria). Assume an 11.2 ft /sec? and perception- reaction time of 2.5 sec. Rider's comfort criterion for English Units: L= Av² 46.5 centrifo gal nceleuntim Sacs int exced I ftleet L=Length of Carere in ft V= deiga sped or vele ciby in %3D %3D %3D A- in %
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