WATER STOP METHOD BY FREEZING

申请公布号：JP2016204866(A)

申请号：JP20150084720

申请日期：2015.04.17

申请公布日期：2016.12.08

申请人：

TOKYO ELECTRIC POWER COMPANY HOLDINGS INC

发明人：FURUHASHI SACHIKO;OKI TAKASHI;TEZUKA HIDESHI;SUEISHI YUICHIRO

分类号：E03B7/00

主分类号：E03B7/00

摘要：PROBLEM TO BE SOLVED: To provide a water stop method by freezing, which allows materials to be easily collected and carried around, put in by passing through a middle and small-diameter pipe and stop water by freezing in a short time even in a blocked area where water flows.SOLUTION: In a water stop method by freezing, a water permeable and expansible bag body containing powder of polymer water absorbing material is put in a target place in a blocked area where water flows through a middle and small-diameter pipe, which makes the polymer water absorbing material into filling components containing absorbed water. A wall is formed by accumulating these filling components, and subsequently the wall is frozen to form a water stop wall.SELECTED DRAWING: None

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