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1. 发明专利

JP2779481B2 失效
公开(公告)号：JP2779481B2
公开(公告)日：1998-07-23
申请号：JP13810994
申请日：1994-05-27
申请人： KATO KENSETSU KK
发明人： HAMADA YOSHUKI , KATO KOJI
IPC分类号： E02D3/12

2. 发明专利

JP2767021B2 失效
公开(公告)号：JP2767021B2
公开(公告)日：1998-06-18
申请号：JP16324394
申请日：1994-06-21
申请人： KATO KENSETSU KK
发明人： HAMADA YOSHUKI , KATO KOJI
IPC分类号： E02D23/08

3. 发明专利

JPH08134884A SOIL IMPROVING MACHINE AND METHOD THEREOF 失效
公开(公告)号：JPH08134884A
公开(公告)日：1996-05-28
申请号：JP13810994
申请日：1994-05-27
申请人： KATO KENSETSU KK
发明人： HAMADA YOSHIYUKI , KATO KOJI
IPC分类号： E02D3/12
摘要： PURPOSE: To prevent blades from rotating all together and efficiently and evenly agitate and mix soil. CONSTITUTION: In a soil improving machine in which a cutting blade 2 is fixed to the lower end of an excavating shaft 1 vertically excavating the ground while rotating to cut the ground by the rotation of the cutting blade 2 and the soil is agitated and mixed while a solidifying agent is supplied, a pair of first agitation shafts 4, 4 revolving in accordance with the excavating shaft 1 and rotating on its own axis are horizontally fixed to both sides of the excavating shaft 1. A plurality of second agitation shafts 5, 5 attached at right angles against the first agitation shafts 4 are fixed to the first agitation shafts 4.

4. 发明专利

JPH084022A CONSTRUCTION METHOD OF SINKINGLY INSTALLING OPEN CAISSON 失效
公开(公告)号：JPH084022A
公开(公告)日：1996-01-09
申请号：JP16324394
申请日：1994-06-21
申请人： KATO KENSETSU KK
发明人： HAMADA YOSHIYUKI , KATO KOJI
IPC分类号： E02D23/08
摘要： PURPOSE:To effective utilize the body for a multistory parking garage by expanding the inner volume of the body after sinking. CONSTITUTION:A cylindrical body 1 is of double structure where the inner wall 5 and outer wall 2 are blocked at the bottom, whereby a cavity room 11 is made between each inner wall 2 and the outer wall 2. The buoyancy of the body 1 is made large by providing the cavity room 11, and the edge load of a caisson is made small, and water is poured in order into the cavity room 11 so as to increase the dead weight of the body 1 and the edge load, whereby the caisson is made to penetrate into the ground and is sunk. The inner wall 5 consists of a steel pipe, and this is so arranged that the inner wall 5 can be removed after sinking of the body 1.

5. 发明专利

JP2001020272A POLYGONAL GROUND IMPROVEMENT WORK METHOD 失效
公开(公告)号：JP2001020272A
公开(公告)日：2001-01-23
申请号：JP18999199
申请日：1999-07-05
申请人： KATO KENSETSU KK
发明人： MAKINO MASAMI , SATO TOSHIYUKI , KATO KOJI , TAKEDA MICHIYA , ITO HIROKUNI
IPC分类号： E02D3/12
摘要： PROBLEM TO BE SOLVED: To economically perform stable ground improvement work assuring less deformation, displacement or breakage against upper or lateral load. SOLUTION: In a first process, one solidified improved columnar body extending vertically is formed by agitating and mixing together an improving material and earth of soft ground in the ground. Next, in the second process, one solidified improved wall body 4 extending in vertical direction is formed by connecting together a plurality of improved columnar bodies by repeating the first process. Next in the third process, the second process is repeated and a plurality of improved wall bodies 4 are connected together in the horizontal direction, thereby forming a honeycomb-shaped (on a plan view) solidified improved structural body 1 is formed. In addition, in the fourth process, improved connected bodies 5A, 5B connecting a plurality of neighboring improved wall bodies 4 are formed by agitating and mixing the upper end portions and lower end portions of unimproved soil in each cylindrical hole 3 surrounded by a plurality of improved wall bodies 4 together with the improving material by means of mixing apparatus. In this way, a cubic improved structural body 1 can be created.

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