連続地中壁および連続地中壁の施工方法

Title:

連続地中壁および連続地中壁の施工方法

Document Type and Number:

Japanese Patent JP7390909

Kind Code:

B2

Abstract:

To provide a continuous underground wall that can be easily constructed and can prevent damage to a joint surface of a preceding element, and a method for constructing the continuous underground wall.SOLUTION: A preceding element 2 (first element) has a first concrete portion 23 and a corrugated steel plate 5 provided over the entire wall height direction along an end portion of the first concrete portion 23 on a trailing element 3 side. In the corrugated steel plate 5, a ridge 526 projecting in a wall length direction in which the preceding element 2 and the trailing element 3 are adjacent to each other and extending in a wall thickness direction and a recess 525 recessed in the wall length direction and extending in the wall thickness direction are alternately arranged in a wall height direction, and the first concrete portion 23 is fixed on the surface on the first concrete portion 23 side. The trailing element 3 (second element) has a second concrete portion 33 that is fixed on the surface of the corrugated steel plate 5 on the trailing element 3 side, and further has a box-shaped protective member 6 temporarily provided so as to contact and cover the corrugated steel plate 5 from the trailing element 3 side.SELECTED DRAWING: Figure 4

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Inventors:

Hideyuki Mano
Kiyomi Kanemoto
Mitsuhiro Kuroki
Masaaki Nagasawa
Kazushige Abe

Application Number:

JP2020013709A

Publication Date:

December 04, 2023

Filing Date:

January 30, 2020

Export Citation:

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Assignee:

Shimizu Construction Co., Ltd.

International Classes:

E02D5/20

Domestic Patent References:

JP59088533A
JP56067016A
JP50045410A
JP2009019371A
JP48079409A
JP48001893B1
JP61031521A
JP6299548A
JP7197451A

Attorney, Agent or Firm:

Yasushi Matsunuma
Kenichi Kawabuchi
Kazuzumi Nishizawa

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