杭基礎構造

Japanese Patent JP7200048

B2

To provide a pile foundation structure capable of integrally connecting a pile head and a structure part of a pile foundation, when a foundation structure for various structures is supported with pile bodies.SOLUTION: A pile foundation structure is provided with: a pile 1 installed in a way to project a pile head 2 with a predetermined projected length from the ground; a foundation beam 15 connected to the pile head 2; a connecting pipe 20 for pile heads of which internal spaces 22 are in an annular shape in a plan view, wherein the pile head 2 is installed on a lowered ground surface 5b such a way to be positioned in a generally center of the internal space and the internal space 22 is filled with infilling concrete 23 to support the pile head 2; and a structure connection body 30 comprising an outer shell steel pipe 31 which is installed on a ground surface 5a and is supporting a main bar connection bar 35 connected to an end part of a main bar 17 of the foundation beam 15 with a joint connection, and in which the infilling concrete 33 is filled. The foundation beam 15 is integrated with the structure connection body 30 with connection concrete 46 by arranging and installing a separation space 16 around an outer peripheral surface of the structure connection body 30. The structure connection body 30 is vertically stacked and constructed on the connecting pipe 20 for pile heads to be connected with the pile head 2.SELECTED DRAWING: Figure 3

Matsuura Tsunehisa

JP2019107168A

January 06, 2023

June 07, 2019

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Ando Co., Ltd.

E02D27/12; E02D27/01; E04B1/30

JP2017137711A
JP2016070028A
JP2016223094A
JP2007002655A
JP2001303584A
JP2015200094A
JP63014642U
JP2019082103A

Tetsuro Sunaba
Yasushi Morikawa

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