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Category > Applied Sciences Posted 09 May 2017 My Price 7.00

Determine the maximum hauling production given the following conditions

Determine the maximum hauling production given the following conditions. As many scrapers as required can be used, but only one push tractor will be available. The material is a sandy clay (dry earth), 2,900 lblbcy. The expected haul-road rolling resistance is 80 lblton. The average scraper load will be 28.2lcy. There are three segments to the haul route: 600 ft at a grade of +3%; 2,200 ft at 0% grade; and 400 ft at +4% grade (moving from the cut to the fill). To account for acceleration and deceleration use an average speed of 4 mph for 200 feet at each end of the haul and return. Use the scraper specifications in Table 8.1 and the "performance charts" in Figs. 8.9 and 8.10. Assume a 50-min hour efficiency.

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Alpha Geek
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Status NEW Posted 09 May 2017 04:05 PM My Price 7.00

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file 1494346975-Answer.docx preview (173 words )
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