CONSTRUCTION METHOD FOR PIER COLUMN, AND PIER COLUMN STRUCTURE

摘要

PROBLEM TO BE SOLVED: To provide a construction method for a pier column dispensing with the assembling and dismantling of a working scaffolding and a form.;SOLUTION: The construction method is composed of the set process of a steel pipe 18 and a concrete placing process. When the construction of a footing part 14 is completed, and the steel pipe 18 of a closed circular cross section is installed so as to surround the upper part side of the vertical part 22b of a lower tie bar 22. A spiral or ring-like rib 24 is previously integrally projected on the inner peripheral face of the steel pipe 18. An upper tie bar 26 is previously locked on the upper end side of the steel pipe 18. The steel pipe 18 locking the upper tie bar 26 is installed on the outer periphery so as to inserts the upper part side of the lower tie bar 22 by using a crane. When the installation of the steel pipe 18 is completed, placing of concrete is performed in the inside.;COPYRIGHT: (C)2001,JPO