发明名称 REMOVAL OF HEAD OF CAST-IN-PLACE CONCRETE PILE
摘要 PURPOSE:To simplify the treatment of the pile head by a method in which reinforcing bars provided with projected members are covered with a covering material, concrete is placed and hardened, and then a static breaker is packed into holes provided in places to be cut off of the concrete. CONSTITUTION:Wedge-shaped projected members 2 are provided to reinforcing bars 1 positioned in an extra-banking concrete, the reinforcing bars 1 are covered with a covering material 5, and concrete is placed. After the concrete hardens, a static breaker is packed into plural holes provided in places 6 to be cut off of the concrete. The places 6 to be cut off of the extra-banking concrete 8 are broken by the expansion pressure of the breaker.
申请公布号 JPS6026719(A) 申请公布日期 1985.02.09
申请号 JP19830135100 申请日期 1983.07.26
申请人 NIHON CEMENT KK 发明人 TANAKA KENZOU
分类号 E02D5/34;E02D9/00 主分类号 E02D5/34
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