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March 29, 2017

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100 lb of loose gravel can fill a 1-ft^3 box. Its specific gravity is 2.68. What is the dry rodded weight? Find the volume of voids in the preceding problem.

  • ENGINEERING - ,

    2.68 * 62.4 = 167 lbs/ft^3 if it were solid rock
    so (167 - 100) = 67 pounds missing in voids

    67 lb * 1 ft^3/167 lb = .4 ft^3 empty space

    check .6 * 167 = 100

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