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51. 发明专利

JP2001012546A SLIDING BEARING 失效
公开(公告)号：JP2001012546A
公开(公告)日：2001-01-16
申请号：JP17944899
申请日：1999-06-25
申请人： KUMAGAI GUMI CO LTD , SUMITOMO METAL IND
发明人： MORI TOSHIHIRO , WATANABE NORIO , TAKIZAWA KENICHI , KIDA HIROSHI , OKAMOTO MASANOBU
IPC分类号： E01D19/04 , E01D101/40 , E04B1/36 , E04H9/02 , F16F15/04
摘要： PROBLEM TO BE SOLVED: To provide a sliding bearing capable of reducing a coefficient of dynamic friction to realize a smooth sliding and also providing for a construction error when installing and an inclination due to secular change. SOLUTION: A sliding surface is formed by the combination of PTEF (polytetrafluorethylene resin) 17 using metal as a backing strip with a mating material 11 of mirror-finished stainless steel plate. The PTEF 17 is fixed onto an upper plate 19, and a rubber sheet 18 is provided between the upper plate 19 and a base plate 13. Thus, the surface pressure of the sliding surface can be increased, and a horizontal force at earthquake can be reduced by a low coefficient of dynamic friction. In addition, a smooth sliding can be realized, and the construction error when installing and a horizontal inclination due to secular change can be absorbed.

52. 发明专利

JPH10131167A GROUND IMPROVEMENT METHOD 失效
公开(公告)号：JPH10131167A
公开(公告)日：1998-05-19
申请号：JP30233296
申请日：1996-10-29
申请人： KUMAGAI GUMI CO LTD
发明人： HAMADA NAOHITO , WATANABE NORIO
IPC分类号： E02D3/10
摘要： PROBLEM TO BE SOLVED: To provide a ground improvement method wherein effect by intermittent supplying is further enhanced and thereby the ground can be positively compacted. SOLUTION: With regard to the improvement method of the ground, a supply pipe 20 of compressed air and a suction pipe 22 of underground water and the air are inserted in sandy ground 24. The compressed air is intermittently supplied to the sandy ground 24 through the supply pipe 20, and impact load is applied to the sandy ground 24. The underground water and the air are sucked from the sandy ground 24 through the suction pipe 22 successively during supplying of the compressed air or after supply stop of the compressed air.

53. 发明专利

JPH08134932A COUNTERMEASURE STRUCTURE AGAINST GROUND LIQUEFACTION 失效
公开(公告)号：JPH08134932A
公开(公告)日：1996-05-28
申请号：JP29194094
申请日：1994-11-02
申请人： KUMAGAI GUMI CO LTD
发明人： MURATA HITOSHI , WATANABE NORIO , FUJIKI KOICHI , MORI TOSHIHIRO
IPC分类号： E02D27/34 , E02D5/02 , E02D31/08
摘要： PURPOSE: To increase the liquefaction resistance of an inner ground within a cylindrical body by burying the cylindrical body extended in the vertical direction, which is so constituted that a great number of plates having through holes are frozen, into a support ground for a structure. CONSTITUTION: A great number of plates 20,... each of which is roughly in a U shape in cross section, and has at least, one through hole 22 and 22 are connected with each other one after another in such a way that each surface is interchangeably combined with the reverse side of its adjacent plate, and they are formed into a cylindrical body 14 extended in the vertical direction. The cylindrical body 14 is then buried in the ground supporting a structure 10, its upper end is exposed out of the ground surface, and its lower end shall be positioned at a sandy soil 16, furthermore preferably in a non-sandy soil 18 underneath the sandy soil. By this constitution, the inner ground of the cylindrical body 14 is made higher in stiffness than its circumferential ground, and the pore water pressure of the inner ground can be controlled to be roughly identical to that of its circumferential ground even in case of earthquakes, so that the liquefaction resistance of the inner ground can there by be increased.

54. 发明专利

JPH07207655A SOIL IMPROVEMENT METHOD 失效
公开(公告)号：JPH07207655A
公开(公告)日：1995-08-08
申请号：JP1697494
申请日：1994-01-17
申请人： KUMAGAI GUMI CO LTD
发明人： WATANABE NORIO , MORI TOSHIHIRO , HAMADA NAOHITO , SENTO NORIAKI
IPC分类号： E02D3/12
摘要： PURPOSE:To obtain a uniformly improved soil with relatively low strength. CONSTITUTION:A stirring device 20 is driven to excavate the ground with a bit 22 thereof and, at the same time, ground soil is stirred with a stirring wing 23. Suspension of a stabilizer mixed with foaming agent or thickener is supplied to a foaming device 15 and, at the same time, compressed air is supplied from a compressor 10. The suspension of the stabilizer passes through the foaming device 15 to form bubble-like sterbilizer, and it is discharged from a discharge-port of the foaming device 15 into the ground. The peripheries of bubbles are surrounded by numerous fine grains of the stabilizer, so that the bubbles are not easily separated from the stabilizer even if the generated bubble-like stabilizer is in the ground, the ground can be effectively stirred by the bearing effect equipped with the bubbles, and the stabilizer is uniformly distributed in the ground. As a result, improvement soil has stabilized strength.

55. 发明专利

JPH032416A DIAGONAL PERMANENT FOUNDATION ANCHOR, CONSTRUCTION METHOD THEREOF AND HOLDER FOR CONSTRUCTION 失效
公开(公告)号：JPH032416A
公开(公告)日：1991-01-08
申请号：JP13769689
申请日：1989-05-31
申请人： TAKENAKA KOMUTEN CO , KUMAGAI GUMI CO LTD , SHIMIZU CONSTRUCTION CO LTD , KOZO KOJI KK , SUZUKI METAL INDUSTRY CO LTD , TOKYO ROPE MFG CO , NITTOC CONSTRUCTION , RAITO KOGYO KK
发明人： MARUOKA MASAO , IKUTA YUKO , AOKI MASAMICHI , OZAKI OSAMU , WATANABE NORIO , MORI TOSHIHIRO , KOKAYU TSUNEO , KATSURA YUTAKA , MANO HIDEYUKI
IPC分类号： E02D5/80
摘要： PURPOSE:To increase the effect of an anchor by providing a tip holder to the front end of a load resisting body, providing an upper end spacer to the rear end of the load resisting body, and lifting the load resisting body in a diagonal excavated hole by the holder and spacer to support. CONSTITUTION:A pilot cap 7 is provided to the end of a load resisting body 1. An upper end spacer 8 capable of controlling the expansion and reduction of the diameter is provided to the rear end of the load resisting body 1. The load resisting body 1 is lifted to the height equivalent to the thickness of the protective concrete cover for filler 4 upward of the lower bottom of a diagonal excavated hole 3 by the cap 7 and spacer 8. In addition, the force-fit of the filler 4 in the peripheral part of the load resisting body 1 is made over the range of at least the length of the load resisting body 1 in the excavated hole 3 to fill.

56. 发明专利

JP2000054363A SOIL IMPROVEMENT EQUIPMENT 失效
公开(公告)号：JP2000054363A
公开(公告)日：2000-02-22
申请号：JP22581998
申请日：1998-08-10
申请人： KUMAGAI GUMI CO LTD
发明人： HAMADA NAOHITO , WATANABE NORIO
IPC分类号： E02D3/08 , E02D3/10
摘要： PROBLEM TO BE SOLVED: To provide soil improvement equipment which does not depend on the expansion limit of sheet member or the maximum amplitude of the vibrating amplitude. SOLUTION: This soil improvement equipment is a hollow rod, and the rod 12 is spirally surrounded by vanes and this rod is a pipe member having a closed end portion inserted to the rod. In this case, a pipe member 13 with at least one opening 34 and a sheet member 14 restricting a closed space 36 connected to the opening in part of the pipe member are included.

57. 发明专利

JPH11293685A BASE ISOLATION STRUCTURE OF CONSTRUCTION 失效
公开(公告)号：JPH11293685A
公开(公告)日：1999-10-26
申请号：JP9421898
申请日：1998-04-07
申请人： SUMITOMO METAL IND , KUMAGAI GUMI CO LTD
发明人： KITAHAMA MASASHI , KIDA HIROSHI , OKAMOTO MASANOBU , TAKIZAWA KENICHI , WATANABE NORIO , HAMADA NAOHITO , MORI TOSHIHIRO
IPC分类号： E02D27/34 , E04H9/02
摘要： PROBLEM TO BE SOLVED: To provide a base isolation structure capable of reducing a load on a connection part of a pile main body and a pile head and a foundation slab and further on a structure, necessitating no increase of a size of the foundation slab, and free from a problem with respect to maintenance by reducing input earthquake vibration transmitted from a pile to the structure. SOLUTION: A pile head slab 3 is placed in a pile head part of a pile main body 2, and a slide member 6 is fixed thereon. A recessed part 3a is formed in a central part of the pile head slab 3, and an elastic spring 10 is attached in the recessed part 3a. A support 7 is provided at a position where it faces the slide member 6 on a foundation slab 4 side. A recessed part 4a is also formed in a foundation slab 4 to connect the pile head slab 3 with the foundation slab 4 by an elastic spring 10.

58. 发明专利

JPH11131463A SOIL IMPROVING DEVICE 失效
公开(公告)号：JPH11131463A
公开(公告)日：1999-05-18
申请号：JP31108997
申请日：1997-10-28
申请人： KUMAGAI GUMI CO LTD , KUMAGAYA TECHNOS KK
发明人： WATANABE NORIO , TANAKA HIROKAZU , YAMAZAKI TOSHIO
IPC分类号： E02D3/12 , E02D3/10
摘要： PROBLEM TO BE SOLVED: To provide a soil improving device in which the pressure loss of high-pressure air released into a sandy ground can be minimized without enlarging the device. SOLUTION: This ground improving device is provided with a casing having at least one hole 22 opened to the outside, a rotating member 34 having at least one hole 24 intermittently communicable with the hole 22 of the casing during rotation, which is arranged within the casing in such a manner as to be rotatably, and a passage 38 for receiving the supply of high-pressure air, which is provided within the casing to communicate with the hole 24 of the rotating member 34.

59. 发明专利

JPH10227154A VIBRATION-ISOLATION MATERIAL AND VIBRATION ISOLATING STRUCTURE 失效
公开(公告)号：JPH10227154A
公开(公告)日：1998-08-25
申请号：JP4487397
申请日：1997-02-14
申请人： KUMAGAI GUMI CO LTD
发明人： MORI TOSHIHIRO , WATANABE NORIO
IPC分类号： E02D27/34 , E04H9/02
摘要： PROBLEM TO BE SOLVED: To ensure sufficient attenuation performance by supporting many rubber particles or sand particles that are adhered with mutual voids interven ing, using asphalt as a binder, beneath a structure or in the ground below it. SOLUTION: It is preferable to support a structure 12 on the ground 14 by placing beneath the structure 12 and to form multiple columnar or cylindrical bodies in the vertical direction. Therefore, individual vibration-isolation material 10 receive greater vertical load per unit area than flat vibration-isolation material, and exhibit better vibration-isolation effect. In such case, the vibration- isolation material 10 is made of many rubber particles that are adhered with voids intervening, using asphalt as a binder, or many rubber particles and many sand particles. And whole or part of the circumferenetial face of each particle is thinly covered, asphalt that binds the particles attenuates earthquake energy inputted into the vibration-isolation material 10 and reduces the input acceleration of the earthquake into the structure 12.

60. 发明专利

JPH08134900A REINFORCED STRUCTURE OF GROUND 失效
公开(公告)号：JPH08134900A
公开(公告)日：1996-05-28
申请号：JP29804294
申请日：1994-11-08
申请人： KUMAGAI GUMI CO LTD
发明人： WATANABE NORIO , FUJIKI KOICHI , MORI TOSHIHIRO , MURATA HITOSHI , HAMADA NAOHITO
IPC分类号： E02D27/34 , E02D5/20 , E02D27/38 , E02D31/08
摘要： PURPOSE: To restrain the enlarging deformation of the ground, by arranging steel plates protruding inward in the radial direction of a cylindrical wall body and fixing between mutual steel skeleton members of an underground wall and joining a plurality of reinforcing members together by a ring. CONSTITUTION: Respective steel plates 30 are protruded toward the center of a nearly circular form stipulated by a wall body 26 and fixed at both sides 32 of mutually adjacent reinforcing members 28. The reinforcing members 28 are arranged vertically in the peripheral direction of the wall body 26 with a distance therebetween. A ring 16 surrounding the underground wall 14 is constituted of a plurality of H-shaped steel members 34 making a polygonal form in plane view and arranged to get in contact with a part of the outside flange of the H-shaped steel 28 as a reinforcing member. Mutual H-shaped steel members 34 constituting the ring 16 are welded at respective ends. Respective rings 16 prevent respective H-shaped steels 28 from moving outward in the radial direction when the wall body 26 is influenced by a leteral expansive force of the inside ground and respective H-shaped steel members 28 prevent respective steel plates 30 adjacent to the H-shaped steel members in the peripheral direction from deforming from the protruded shape to a flat shape.

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