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| Teaching Since: | May 2017 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Based on the scraper specifications in Table 8.1 and the "performance charts" in Figs. 8.9 and 8.10, and for haul conditions is stated here, analyze the probable scraper production. How many scrapers should be used and what will be the production in bey per hour? The material to be hauled is dry clay. It has a unit weight of 2,800 lb per bcy. The expected rolling resistance for the haul road is +5%. Assume a 0.80-min load time and an average load of 86% heaped capacity. Accelerate and decelerate at an average speed of 5 mph over a distance of 200 ft. Use a 50-min hour efficiency factor. The total length of haul is 3,300 ft and has the following individual segments when moving from cut to fill:


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