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ASTM C143 - Slump of Hydraulic-Cement Concrete ASTM C-143...

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Slump of Hydraulic-Cement Concrete ASTM C-143 Tim Boyer CM 442 Pre-Lab Purpose The purpose of this lab is to provide a standard method of determining the slump of hydraulic-cement concrete, either in the lab or in the field Equipment Mold – made of metal not readily attacked by cement paste; not thinner than 0.060in; be in the form of the lateral surface of the frustum of a cone with a base diameter of 8in and top diameter of 4in and height of 12in Tamping Rod – round straight rod about 24in in length; both ends hemispherical Procedure Dampen mold and place on flat, moist, nonabsorbent, rigid surface Hold in place by standing on to foot pieces
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