IS 7320 (1974): Specifiion for concrete slump test ...
the inside ofthe cone. NOT. A mould which clamps to a nonabsorbentbale plate or an apparatus with a luitable guide attachment (or measuring height ofthe moulded concrete may also be accepted provided it otherwise conforms to the requirement. ofthe lpecifiion. 4. TAMPING ROD The tamping rod shall be a round straight steel rod, 16 mm
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