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Title:
GROUND DISPLACEMENT-ABSORBING BASE-ISOLATED STRUCTURE AND BASE ISOLATION METHOD
Document Type and Number:
Japanese Patent JP2014211073
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a ground displacement-absorbing base-isolated structure excellent in long-term stability, and a base isolation method.SOLUTION: In a ground displacement-absorbing base-isolated structure 100, a continuous wall-like underground wall 16 made of a clay-based material which swells when absorbing water is provided between peripheral ground 12 and a structure 14. A water storage layer 18 for storing water W with low electrolyte concentration is provided at a ground surface-side upper end 16a of the underground wall 16. In this case, preferably, a water level WL of the water storage layer 18 is set higher than a ground water level GWL of the peripheral ground 12. Thus, the ground displacement-absorbing base-isolated structure excellent in long-term stability can be provided.

Inventors:
ISHII TAKU
TAJI YOICHI
NAKAJIMA HITOSHI
Application Number:
JP2013146979
Publication Date:
November 13, 2014
Filing Date:
July 12, 2013
Export Citation:
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Assignee:
SHIMIZU CORP
International Classes:
E02D31/08; E02D27/34
Attorney, Agent or Firm:
Hiroaki Sakai