CONSTRUCTION METHOD FOR UNDERGROUND PENETRATION BODY, AND STEEL-SHELL ELEMENT THEREFOR,申请号JP20050080909-传众专利搜索

CONSTRUCTION METHOD FOR UNDERGROUND PENETRATION BODY, AND STEEL-SHELL ELEMENT THEREFOR

申请公布号：JP2006265827(A)

申请号：JP20050080909

申请日期：2005.03.22

申请公布日期：2006.10.05

申请人：

TODA CONSTR CO LTD;NISHIMATSU CONSTR CO LTD;KANAZAWA SEISAKUSHO:KK

发明人：UKEKAWA MAKOTO;ASANO HITOSHI;ASAI YASUHIKO;KODAMA MASABUMI;KOBAYASHI OSAMU;TADA KOJI;ISO HARUO;WATANABE TORU;FUJIMORI HIDEO

分类号：E21D13/00;E02B9/06;E02D31/04;E02F5/10;F16L1/038

主分类号：E21D13/00

摘要：PROBLEM TO BE SOLVED: To dispense with cut-off-agent injection work for ensuring cut-off properties, when an underground penetration body such as an earth-retaining steel material is constructed from an adit (steel-shell element) constructed in ground, and to save construction labor for preparation work, replacement work, etc., associated with work for pressing in the underground penetration body. SOLUTION: An opening groove 20 along the cross-sectional shape of the earth-retaining steel material 3 is preformed in the part, wherein the steel material 3 is pressed in, of the steel-shell element, and a cut-off device, which is equipped with a cut-off member 23 for closing the opening groove 20, is installed in advance. The earth-retaining steel material to be pressed in is pressed into the ground while the cut-off material 23 is broken, in a state of being connected by means of a joint part 3a of the adjacent already-installed earth-retaining steel material 3, from inside the steel-shell element. COPYRIGHT: (C)2007,JPO&INPIT