Answered: QUESTION 4 What is the calculated…

QUESTION 4 What is the calculated stopping sight distance (ft) for a -3% grade when the design speed is 55 mph, assuming the AASHTO recommended deceleration rate and perception-reaction time.

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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Homework Q1: A driver of a vehicle traveling at 90 kph up-grade requires 96m to sto after he applied the brakes, less than another driver traveling at the same speed down the ame grade, if the coefficient of longitudinal friction is 0.3. What is the percent grade of thatsection and what is the total stopping sight distance on the down grade? Q2: In the figure shown below, its required to calculate the minimum distane (D) for placing the right turn sign to enable a driver on the major road (A) to turn his vehicl into minor road (B)?
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QUESTION 2 What is the calculated stopping sight distance (ft) for a +6% grade when the design speed is 50 mph, assuming the AASHTO recommended deceleration rate and perception-reaction time.
Table 1 Speed and Delay Information. Street Name: 29 North Weather: Clear Cross Streets Ivy Road Massie Road Arlington Blvd. Wise Street Barracks Road Angus Road Hydraulic Road Seminole Court Greenbrier Drive Premier Court Fashion Square I Fashion Square II Rio Road Totals Distance (ft) Date: July 7, 1994 Non-peak Time: 2:00 3:00 p.m. Ideal Travel Segment Stop Time Reason Speed Travel Segment Net for Limi Time Delay Speed (mi/h) (sec) Stoppage (mi/h Speed Time (sec) (sec) (sec) (mi/h) 0 0.0 1584 42.6 1320 27.7 792 19.7 27.4 1320 32.1 28.0 2244 49.8 30.7 1584 24.4 44.3 1584 42.6 25.4 1848 41.5 30.4 1320 37.4 24.1 1584 23.6 45.8 1056 19.7 36.5 1056 20.2 35.6 17292 381.3 30.9 119.5 0.0 20.1 0.0 8.9 15.4 Signal 9.2 0.0 19.5 15.6 11.8 4.9 0.0 14.1 Signal 45 25.4 32.5 How calculate ? Help me please Signal Signal Signal Signal Signal Signal Signal 40 40 40 40 40 45 45 45 45 45 45 0.0 27.0 22.5 13.5 22.5 38.3 24.0 24.0 28.0 20.0 24.0 16.0 16.0 275.8 0.0 15.6 5.2 6.2 9.6 11.5 0.4 18.6 13.5 17.4…