METHOD AND DEVICE FOR PREVENTING LIQUEFACTION FROM OCCURRING TO SANDY GROUND IN EARTHQUAKE

摘要

PURPOSE: To efficiently prevent liquefaction of sandy ground without producing pollution. ;CONSTITUTION: Bag-like mats 5 are laid under the foundation of a structure 1 built on a loose sand layer 2. The mats 5 are connected with a piping 7 to a water tank 6 installed on the upper part of the structure 1. The mats 5 are filled with water under pressure and are made to apply pressure onto the sand layer 2, utilizing the weight of the structure 1 as a reaction force.;COPYRIGHT: (C)1993,JPO&Japio