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1. 发明专利

JP2011032702A Method and apparatus for constructing soil improving pile 有权
标题翻译：用于建筑土壤改良桩的方法和装置
公开(公告)号：JP2011032702A
公开(公告)日：2011-02-17
申请号：JP2009178939
申请日：2009-07-31
申请人： Aomi Construction Co Ltd , Maeda Corp , Taiyo Kiso Kk , Toyo Constr Co Ltd , あおみ建設株式会社 , 前田建設工業株式会社 , 大洋基礎株式会社 , 東洋建設株式会社
发明人： SHIMIZU HIDEKI , ISANO TAKASHI , SATO HIDEYUKI , ITAGAKI KOZO , SASAKI TAKANORI
IPC分类号： E02D3/08
摘要： PROBLEM TO BE SOLVED: To provide a method and apparatus for efficiently constructing a soil improving pile with a large bore without carrying out driving-back by a casing pipe.
SOLUTION: The apparatus for constructing the soil improving pile includes an upper casing pipe 1 with a diameter smaller than the finish diameter of the constructed soil improving pile; a lower casing pipe 2 formed in a bore equal to the finish diameter of the constructed pile and protrusively provided at the tip of the upper casing pipe 1; a pair of preceding parts 3, 3 protrusively provided at the tip of the lower casing pipe 2; and an angle part 4 protrusively provided between the preceding parts 3, 3. The preceding parts 3, 3 are provided hanging by a predetermined length below the lower casing pipe 2 while facing in the diametrical direction of the lower casing pipe 2 at a space equivalent to the finish diameter of the constructed soil improving pile. The angle part 4 is formed of two boring parts 4a, 4a into equilateral angle shape with the lower end projected upward from the side view.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于有效地构造具有大孔的土壤改良桩的方法和装置，而不用套管进行回退。解决方案：用于构造土壤改良桩的装置包括直径小于构造的土壤改良桩的最终直径的上套管1; 形成在与构成的桩的精加工直径相等的孔中并突出地设置在上套管1的前端的下套管2; 一对前部3,3突出地设置在下套管2的前端; 以及突出地设置在前述部件3,3之间的角部4。前述部件3,3设置在下部壳体管2的下方以规定的长度悬挂，同时在下部壳体管2的直径方向上以相等的空间到建筑土壤改良桩的最终直径。角部4由两个镗孔部4a，4a形成为从侧面向上突出的下端的等边角形状。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2013213401A Construction method of ground improvement pile 有权
标题翻译：地基改良桩施工方法
公开(公告)号：JP2013213401A
公开(公告)日：2013-10-17
申请号：JP2013130436
申请日：2013-06-21
申请人： Maeda Corp , 前田建設工業株式会社 , Toyo Constr Co Ltd , 東洋建設株式会社 , Aomi Construction Co Ltd , あおみ建設株式会社 , Taiyo Kiso Kk , 大洋基礎株式会社
发明人： SHIMIZU HIDEKI , ISANO TAKASHI , SATO HIDEYUKI , ITAGAKI KOZO , SASAKI TAKANORI
IPC分类号： E02D3/08
摘要： PROBLEM TO BE SOLVED: To provide a construction method of a ground improvement pile which can efficiently construct a large-diameter ground improvement pipe without performing driving-back by a casing pipe.SOLUTION: A large-diameter casing pipe comprises an upper casing pipe 1 formed to have a diameter smaller than a finished diameter of a ground improvement pile to be constructed and a lower casing pipe 2 formed to have a large diameter approximately equal to the finished diameter of the ground improvement pile to be constructed, and is provided with preceding parts 3, 3 for drilling the ground at the tip thereof. A filling material is fed into the casing pipe while generating stresses of the circumferential ground in the lateral direction to forcibly increase density thereof by penetrating the casing pipe into the ground. The filling material in the casing pipe is discharged into the ground while pulling out the casing pipe. A ratio of the length of the upper casing pipe 1 to that of the lower casing pipe 2 is changed according to soil properties.
摘要翻译：要解决的问题：提供一种可以有效地构造大直径地面改进管而不用套管进行回退的地面改进桩的施工方法。解决方案：一种大直径套管包括上套管1 形成为具有比要构造的地面改良桩的成品直径小的直径，以及形成为具有与要构造的地面改良桩的最终直径大致相等的大直径的下套管2，并且设置有前用于在其尖端钻地面的部分3,3。将填充材料供给到套管中，同时沿横向方向产生周向地面的应力，通过将套管穿入地面来强制增加其密度。套管中的填充材料在拉出套管时被排出到地面中。上套管1的长度与下套管2的长度的比率根据土壤性质而变化。

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