STRUCTURE OF GROUT INJECTION OPENING, OUTLET OR EXHAUST OPENING OF PC STRUCTURE, AND PLUG FOR USE IN THE SAME

Title:

STRUCTURE OF GROUT INJECTION OPENING, OUTLET OR EXHAUST OPENING OF PC STRUCTURE, AND PLUG FOR USE IN THE SAME

Document Type and Number:

Japanese Patent JP3797988

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To provide a structure of a grout injection opening, an outlet or an exhaust opening of a PC structure capable of ensuring excellent cut-off properties.
SOLUTION: In this structure of the grout injection opening, outlet or exhaust opening of the PC structure, grout is infilled into a sheath pipe 41 wherein PC steel 42 is arranged after the introduction of prestress; an end of an injection pipe 31, which is connected to the sheath pipe, is anchored to the inside of a skeleton, which does not reach a surface of the skeleton of the PC structure; a section from the end of the injection pipe to the surface of the skeleton is closed with a plug 1; and the plug and the injection pipe are coupled together by means of a joint material 5 to be fitted into both the plug and the injection pipe.

Inventors:

Masaru Tada
Nobuyuki Sasaki
Shuji Yanai

Application Number:

JP2003278511A

Publication Date:

July 19, 2006

Filing Date:

July 23, 2003

Export Citation:

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Assignee:

Taisei Corporation
Oriental Construction Co., Ltd.
Kawada Construction Co., Ltd.
Kashima Construction Co., Ltd.
Sumitomo Mitsui Construction Co., Ltd.

International Classes:

E04G21/12; (IPC1-7): E04G21/12

Domestic Patent References:

JP51008629U

Attorney, Agent or Firm:

Sakuo Yamaguchi
Yuichi Kasai
Masaharu Yokoyama

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