CAGE FOR PILE FOUNDATION, FOUNDATION STRUCTURE AND CONSTRUCTION METHOD THEREFOR

摘要

PROBLEM TO BE SOLVED: To provide a foundation structure which prevents an upper structure or a joint between a pile and a foundation from being damaged by vertical and horizontal loads caused by an earthquake. SOLUTION: A cage 1 for a pile foundation is constituted in such a manner that a coupling material 6, wherein prestressing steel 12 is bound annularly, is fixed to an upper central part of a cage body 4 by a jointing material extended from a hoop 3 at an upper end, and protruded partially from the cage body 4.