Estimated rolling resistance factor the haul road is 3000


Stripping overburden in the Illinois coal belt, the Dusty Coal Company uses 270-HP Track-type tractors and drawn scrapers.  The overburden is a very soft loam that weighs 2800 lb/yd (loose).  Estimated rolling resistance factor the haul road is 3000 lb/ton.  If the scraper weighs 35,000 lb (empty) and carries 25 loose cubic yards per trip.  What is the rolling resistance of the loaded unit?

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Civil Engineering: Estimated rolling resistance factor the haul road is 3000
Reference No:- TGS0797923

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