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JP2007284875A Soil improvement construction method by high-pressure injection stirring 有权
标题翻译：通过高压注射搅拌的土壤改良施工方法
公开(公告)号：JP2007284875A
公开(公告)日：2007-11-01
申请号：JP2006110148
申请日：2006-04-12
申请人： Nippon Sogo Bosui Kk , Tekken Constr Co Ltd , 日本綜合防水株式会社 , 鉄建建設株式会社
发明人： NAKANE ATSUSHI , NUMATA YOSHIHISA , TOMIZAWA KUNIHIKO , OTAKE YUMA , OGAWA TOMOYUKI , NARISAWA HEIJI , KUROKAWA ICHIRO , TANAKA TAKASHI
IPC分类号： E02D3/12
摘要： PROBLEM TO BE SOLVED: To provide a soil improvement construction method by horizontal high-pressure injection stirring which suppresses hole bending occurring at drilling to a minimum level to maintain the precision of the straightness of an improved material, improves work efficiency, reduces a risk of a trouble involved in handing over of work, and cuts down cost. SOLUTION: In the soil improvement construction method by high-pressure injection stirring, a land-making pipe 1 is inserted almost horizontally in the ground G, and in this state high-pressure grout is injected or the grout is injected with a jet of high-pressure water or with a jet of compressed air via the land-making pipe 1 to stir and mix the grout to make an improved material centering around the land-making pipe 1. After a preceding improved material obtains prescribed compression strength, a new improved material is formed on the underground unimproved side in contact with the deepest part of the preceding improved material. This process is repeated in sequence to form a series of separated pieces of improved materials each having a prescribed length to form an improved material composed of the separated pieces of improved materials as a whole. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了通过水平高压注射搅拌提供一种土壤改良施工方法，其将钻孔时产生的孔弯曲抑制到最小水平，以保持改进材料的直线度的精度，提高工作效率，降低处理工作困难的风险，降低成本。解决方案：在通过高压注射搅拌进行的土壤改良施工方法中，将地面管1几乎水平地插入到地面G中，在该状态下注入高压浆料，或者将浆料注入喷射高压水或通过压制空气的喷射流经地板制造管1搅拌和混合砂浆，以改善围绕造地管1的材料。在先前改进的材料获得规定的压缩强度之后，在与前述改进材料的最深部分接触的地下未改良侧上形成新的改进材料。按顺序重复该过程以形成一系列具有规定长度的改进材料的分离片，以形成由分离的改进材料片整体组成的改进材料。版权所有（C）2008，JPO＆INPIT

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