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Title:
UNDERGROUND BASE ISOLATION WALL STRUCTURE AND CONSTRUCTION METHOD FOR THE SAME
Document Type and Number:
Japanese Patent JP2015045188
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an underground base isolation wall structure and a construction method for the same capable of easily constructing an underground base isolation wall made of bentonite clay with a density thereof varied in accordance with a depth.SOLUTION: In a construction method of a structure of an underground base isolation wall 16 which is a continuous wall constructed between a structure 14 and surrounding soil 12 and made of a material including bentonite, a soft clay wall having a water absorbing and swelling property is constructed in the underground in a manner that: fills a ditch-like underground space 18 excavated in the underground with water or mud water W; casts bentonite pellets 20 made by solidifying bentonite in an almost-spherical shape into the underground space 18 from a ground surface GL; and allows the bentonite pellets 20 to settle out in the water or the mud water W by gravity and upwardly accumulate from a bottom section of the underground space 18 in sequence.

Inventors:
ISHII TAKU
SAITO AKIRA
NAKAJIMA HITOSHI
Application Number:
JP2013177299A
Publication Date:
March 12, 2015
Filing Date:
August 28, 2013
Export Citation:
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Assignee:
SHIMIZU CORP
International Classes:
E02D31/08
Attorney, Agent or Firm:
Hiroaki Sakai