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Title:
BASE ISOLATED STRUCTURE OF UNDERGROUND CONSTRUCTION AND CONSTRUCTION METHOD OF BASE ISOLATED STRUCTURE OF UNDERGROUND CONSTRUCTION
Document Type and Number:
Japanese Patent JP2015105510
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a base isolated structure of an underground construction and a construction method of the a base isolated structure of the underground construction capable of reliably and effectively ensuring stability of the underground base isolation structure for long period of time by reducing the stress applied to the underground construction such as a cut-and-cover tunnel at an earthquake.SOLUTION: The base isolated structure includes an underground base isolation wall 4, which is formed of a cray base material having the water-swelling property, a generally vertical wall-like shape or pile-like shape, with a depth of embedment from a liquefaction layer 1a to a non-liquefied layer 1b at the lower end between an underground construction 2 which is constructed in the liquefaction layer 1a of the ground 1 including the liquefaction layer 1a on the non-liquefied layer 1b and the peripheral ground 1 of the underground construction 2.

Inventors:
ISHII TAKU
Application Number:
JP2013247646A
Publication Date:
June 08, 2015
Filing Date:
November 29, 2013
Export Citation:
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Assignee:
SHIMIZU CORP
International Classes:
E02D31/08; E02D27/34
Attorney, Agent or Firm:
志賀 正武
高橋 詔男
佐伯 義文
川渕 健一