Determine the speed of a truck in (mph), when it is hauling a 22 tons up a 6% grade on a haul road having a rolling resistance of 60lb/ton, equivalent to a 3% adverse grade. Where truck net weight is 36860 lb.

Determine the speed of a truck in (mph), when it is hauling a 22 tons up a 6% grade on a haul road having a rolling resistance of 60lb/ton, equivalent to a 3% adverse grade. Where truck net weight is 36860 lb.

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter3: Characteristics Of The Driver, The Pedestrian, The Bicyclist, The Vehicle, and The Road

Section: Chapter Questions

Problem 14P

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Concept explainers

Intersection Design

An intersection is a location where two or more roads or railways meet or join. The traffic movement is controlled at the intersection that depends on its design and type. It governs the operation, efficiency, speed, capacity, and safety of the highways, airways, and railways. The movement of the pedestrian causes hazards and delays at the intersection.

Question

Determine the speed of a truck in (mph), when it is hauling a 22 tons up a 6% grade on a haul road having a rolling resistance of 60lb/ton, equivalent to a 3% adverse grade.
Where truck net weight is 36860 lb.

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Step 2: Calculate gross vehicle weight (GVW) & Total resistance

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Step 3: Performance chart for a 22-ton rear dump truck

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Step 4: Calculation of speed of truck

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