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Title:
型枠材、止水構造および止水構造の施工方法
Document Type and Number:
Japanese Patent JP7436420
Kind Code:
B2
Abstract:
To provide a form material for forming a water cut-off part side wall for sealing an end part of an expansion gap in a direction perpendicular to a bridge axis, a water cut-off structure, and a construction method of the water cut-off structure.SOLUTION: A form material 50 is used for forming a side wall of a water cut-off part which rises upward from at least one end side of a main body of the water cut-off part which is provided below a bridge surface in the expansion gap of a bridge extending in a direction perpendicular to a bridge axis and extends in the direction perpendicular to the bridge axis, and is laminated with a first layer 51 consisting of a flexible body through which a water cut-off material before curing can penetrate, and a second layer 52 consisting of an elastic body that does not penetrate the water cut-off material. The flexible body consists of an open-cell type foam body, woven or non-woven fabric, and the elastic body consists of a closed-cell type foam body.SELECTED DRAWING: Figure 4

Inventors:
Masahide Sakaguchi
Fumikazu Matsushita
Junji Yoshihara
Application Number:
JP2021092304A
Publication Date:
February 21, 2024
Filing Date:
June 01, 2021
Export Citation:
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Assignee:
Totaku Industry Co., Ltd.
International Classes:
E01D19/06; E01C11/02; E01D19/08
Domestic Patent References:
JP59034305A
JP2689079B2
JP53129424A
JP1214604A
Attorney, Agent or Firm:
Patent Attorney Corporation Minori Patent Office