Fundamental structure of pillar such as the carport and terrace, being the fundamental structure which supports pillar such as operation method

摘要

PROBLEM TO BE SOLVED: To provide a foundation structure of a column of a car port or a terrace or the like capable of stabilizing quality, shortening construction time and being constructed even with human power, a construction method of the foundation of the column, and a precast concrete block used in it.;SOLUTION: A plurality of cylindrical precast concrete blocks 6 are built up inside a hole 4 of a ground surface G, and each precast concrete block is provided with a bolt hole passing through in the vertical direction and also provided with a screw hole on the upper surface. A bolt 7 is screwed to the precast concrete block of the lowest stage, the bolt 7 is inserted to the respective bolt holes of the other respective precast concrete blocks, and the respective precast concrete blocks are integrated by the bolt 7 and a nut 8 to form a cylindrical built-up body 5. The lower end part of the column is inserted into the built-up body, and mortar is filed between the outer peripheral surface of the built-up body and the inner peripheral surface of the hole and between the inner peripheral surface of the built-up body 5 and the outer peripheral surface of the column 3.;COPYRIGHT: (C)2012,JPO&INPIT