Production manner null of test-piece production die for concrete strength test, and test-piece for concrete strength test

摘要

PROBLEM TO BE SOLVED: To provide a concrete strength testing sample piece manufacturing mold and a concrete strength testing sample piece manufacturing method capable of improving smoothness of the upper surface of a sample piece, and collimating the hitting surface and the bottom surface each other.;SOLUTION: This concrete strength testing sample piece manufacturing mold 10 comprising a bottom mold 13 and a peripheral mold 11, 12 erected from the periphery of the bottom mold 13, for pouring concrete inside and hardening the concrete is equipped with a lid body 20 to be fitted into the upper edge circumference of the peripheral mold 11, 12 and brought into contact with the upper surface of unhardened concrete injected from an opening on the upper part of the peripheral mold 11, 12, for reshaping the upper plane of the sample piece.;COPYRIGHT: (C)2002,JPO