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field density test apparatus sand replacement

field density test apparatus sand replacement

6.3.2 apparatus. the following apparatus is required for the test a cylindrical steel core cutter. 130 mm long and of 1002 mm internal diameter, with a wall thickness of 3mm beveled at one end, of the type illustrated in figure 6.3.1. the cutter shall be kept lightly greased. note. if the average density over a smaller depth is required

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