Answered: An asphalt paving crew is used to pave…

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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An asphalt paving crew is used to pave a road 7,000 feet long. The road is 36 feet wide and the paving machine can pave a 12-foot-wide strip of road during each pass. The machine paves 12 lineal feet of 12-foot-wide road per minute. Two lifts of asphalt are needed to pave the road. After completing a pass, it takes the crew 10 minutes to turn the paving machine around and get ready for the next pass. The crew consists of a foreperson, seven operators, and a laborer. Using a system efficiency of 50 minutes per hour, determine the number of labor hours required to place 1 lineal foot of road 12 feet wide. a. Determine the number of passes. b. Determine travel time. c. Determine productivity rate

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