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REINFORCEMENT STRUCTURE OF EXISTING PILE FOUNDATION AND REINFORCEMENT METHOD OF EXISTING PILE FOUNDATION
REINFORCEMENT STRUCTURE OF EXISTING PILE FOUNDATION AND REINFORCEMENT METHOD OF EXISTING PILE FOUNDATION
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机译：既有桩基础的加固结构及既有桩基础的加固方法
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摘要
PROBLEM TO BE SOLVED: To provide a reinforcement structure of an existing pile foundation, capable of reinforcing a pile head by integrating and fixing reinforcement steel plate walls and an existing footing with each other while reinforcing a pile body itself, and excellent in workability and economical efficiency, and a reinforcement method of an existing pile foundation.;SOLUTION: A reinforcement structure of an existing pile foundation 34 having a footing 4 on top edges of piles 3 comprises: reinforcement steel walls 2 formed by connecting a plurality of reinforcement steel plates 20, press-fitting them into a ground in the vicinity of the footing 4, and mounting the uppermost reinforcement steel plates 20a on the footing 4 via joint members 5; reinforcement members 22 mounted on surfaces facing the footing 4 in the reinforcement steel plates 20; and a time-curable material 6 injected in a clearance formed by excavating subgrade 8 between the reinforcement steel walls 2 and the existing pile foundation 34. The reinforcement steel walls 2 are integrated and fixed with the footing 4, the joint members 5, the reinforcement members 22, and a pile head part of the existing pile foundation 34 by the time-curable material 6.;COPYRIGHT: (C)2014,JPO&INPIT
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