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1. 发明专利

JP2002081068A VERTICAL SLIDE DEVICE AND JACK DEVICE FOR SLIDE TYPE EARTH RETAINING TIMBERING SYSTEM 失效
公开(公告)号：JP2002081068A
公开(公告)日：2002-03-22
申请号：JP2000269238
申请日：2000-09-05
申请人： KAJIMA CORP , YOSHINAGA MFG
发明人： TANAKA SHUNPEI , TAKAHASHI TAKASHI , OUCHI YOSHIO , ISANO KEN , IWATA NORIHIKO , UDA YUKIO , MOTOHASHI JUNICHI
IPC分类号： E02D17/04 , E02D29/045 , E21D13/00
摘要： PROBLEM TO BE SOLVED: To provide a vertical slide device quickly and safely sliding down a movable strut timbering and a permanent girder by a relatively simple device and to provide a jack device quickly sliding down the movable timbering and introducing preload thereto by a relatively simple device, in a slide type earth retaining timbering system, by an underground skeleton permanent girder and a movable strut timbering. SOLUTION: This vertical slide device 4 is constituted of an elevating device 60 fitted to the permanent girder 2 on a first floor and a clamp device 61 detachably connected to the movable strut timbering 1 or the movable permanent girder 3, the strut 10 and a connecting member 81 are clamped by a shuck 70 formed of a pair of arms 70a, the movable permanent girder 3 is stacked on a horizontal fitting member 72, and the strut timbering 1 and the permanent girder 3 are alternately slid down. This jack device 6 is so constituted as serially connecting a stroke jack 20 pushing and pulling a wale, to a preload jack 21 introducing the preload to an earth retaining wall.

2. 发明专利

JP2002081069A CORNER ANGLE BRACE STRUT ERECTING DEVICE FOR SLIDE TYPE STRUT TIMBERING 失效
公开(公告)号：JP2002081069A
公开(公告)日：2002-03-22
申请号：JP2000269239
申请日：2000-09-05
申请人： KAJIMA CORP , YOSHINAGA MFG
发明人： TAKAHASHI TAKASHI , OUCHI YOSHIO , ISANO KEN , IWATA NORIHIKO , UDA YUKIO , MOTOHASHI JUNICHI
IPC分类号： E02D17/04 , E02D29/045 , E21D13/00
摘要： PROBLEM TO BE SOLVED: To follow the pushing/pulling and introduction/release of preload of wales of a movable strut timbering, dispense with being detached from the strut timbering, immediately erect an earth retaining timbering, and to introduce preload to a corner part of the earth retaining wall in a corner angle brace for a slidable strut timbering in the underground skeleton construction method. SOLUTION: This corner angle brace strut erecting device 7 is so constituted that a horizontally extendable telescope type extension member 30 composed of an inner cylinder and an outer cylinder and a preload jack 31 for introducing preload to the earth retaining wall are serially connected together and diagonally disposed in the corner part of the strut timbering 1, one end of the extension member 30 is connected to one wale 11 by a horizontally rotatable pin hinge 32 and the like, and one end of the preload jack 31 is connected to the other wale 11 by the horizontally rotatable pin hinge 32 and the like.

3. 发明专利

JP2000055755A PENETRATION SENSOR FOR TESTING CONE PENETRATION 失效
公开(公告)号：JP2000055755A
公开(公告)日：2000-02-25
申请号：JP26908198
申请日：1998-08-07
申请人： KAJIMA CORP , KYOWA ELECTRONIC INSTRUMENTS
发明人： TAKEI KOJIRO , ISANO KEN , SUZUKI YOSHIHIRO , OGAWA MASUMI
IPC分类号： E02D1/00 , G01B7/16 , G01L5/00 , G01L7/00
摘要： PROBLEM TO BE SOLVED: To directly measure an effective horizontal stress, and at the same time simultaneously measure a gap water pressure and friction force at the same point where the effective horizontal stress is measured. SOLUTION: The load support part of a bi-directional load cell is fixed to the outer-periphery part of a penetration body shaft part 7. Friction force/ horizontal stress pressure reception parts 1a and 1b that show sufficient stiffness and are manufactured by dividing a metal cylinder into two portions in a vertical direction are sealed to the outer periphery of the penetration body shaft part 7 via waterproof bi-directional load cells 2a and 2b. Both the end parts of the friction force/horizontal stress pressure reception parts 1a and 1b are sealed by sealing materials 16 and 17 for preventing the intrusion of particles. A filter 12 is provided at the central part of the friction force/horizontal stress pressure reception art 1a, and a gap water pressure that operates on the outside of the friction force/horizontal stress pressure reception part 1a is measured by a gap water pressure gauge 3 being provided at the penetration body shaft part 7.

4. 发明专利

JP2002081084A CONSTRUCTION METHOD FOR UNDERGROUND SKELETON 失效
公开(公告)号：JP2002081084A
公开(公告)日：2002-03-22
申请号：JP2000269221
申请日：2000-09-05
申请人： KAJIMA CORP
发明人： TANAKA SHUNPEI , TAKAHASHI TAKASHI , SUZUKI KOICHI , MIZUTANI AKIRA , OUCHI YOSHIO , ISANO KEN , UDA YUKIO
IPC分类号： E02D17/04 , E02D29/045 , E21D13/00
摘要： PROBLEM TO BE SOLVED: To minimize temporary materials by using permanent girders of an underground body structure and a movable shore strut timbering for an underground construction timbering, to reduce the scale of an earth retaining wall by suppressing the deformation and stress generated in the earth retaining wall, and to reduce the construction term by simultaneously progressing the construction of the underground skeleton to be the timbering and the ground excavation. SOLUTION: This underground skeleton is constituted by repeating the following processes in order: a process of disposing the movable shore strut timbering 1 in a primary excavation space, introducing preload to the earth retaining wall by a jack device 6, disposing the permanent girders 2 and 3 for a floor for the underground body structure, suspending and supporting movable permanent girders 3-1 and 3-2 for the underground floor from/to the first-floor permanent girders 2 by the rod 50 of a suspension device, and excavating the lower part of the strut timbering 1 from this initial state; a process of contracting a flat shape of the shore strut timbering 1 by the jack device 6 from a state where the floor of the permanent girders of the upper part is constructed to function as the timbering; a process of lowing the shore strut timbering 1 by the vertical slide device 4; a process of expanding the flat shape of the shore strut timbering 1 and introducing preload to the earth retaining wall; and a process lowering the underground-floor permanent girders by the vertical slide device 4.

5. 发明专利

JP2001011853A STRUCTURE OF PILE HEAD PART 失效
公开(公告)号：JP2001011853A
公开(公告)日：2001-01-16
申请号：JP18603299
申请日：1999-06-30
申请人： KAJIMA CORP
发明人： SAITO HAJIME , YOSHIMATSU TOSHIYUKI , KOBAYASHI MINORU , MIYAMOTO MAKOTO , ISANO KEN , KATO TAKASHI
IPC分类号： E02D5/34 , E02D27/12
摘要： PROBLEM TO BE SOLVED: To contrive the small diameter of a beam cross section by attaching a steel pipe-made band having a small diameter part on a pile head part to be constructed by cast-in-place concrete and reducing stress due to bending moment transmitted from the pile head part to a foundation beam. SOLUTION: An inverted funnel-like steel-made band 4 having a small diameter part (d) and a taper part 4a is attached to the head part (a) of a foundation pile 1, the connection part of a foundation pile 1, a foundation beam 2 and a column 3 is not in a complete restraint rigid joining state, and made the pin joining state of a degree of restraint of zero. Thus, high durability and stiffness (toughness and deformation capability) are displayed due to confined effect by a steel-made band 4 and the buckling suppression effect of the steel- made band 4 by concrete. Even when large horizontal force acts on the pile head part (a), the bending moment of the end of the pile head part (a) due to the horizontal force is not larger than the case of the rigid joining state of complete restraint. Thereby the cross section of the foundation beam 2 need not be enlarged more than necessary, and execution and economy can be improved.

6. 发明专利

JP2002081070A SLIDE TYPE EARTH RETAINING TIMBERING SYSTEM 失效
公开(公告)号：JP2002081070A
公开(公告)日：2002-03-22
申请号：JP2000269222
申请日：2000-09-05
申请人： KAJIMA CORP
发明人： TAKAHASHI TAKASHI , TANAKA SHUNPEI , UDA YUKIO , OUCHI YOSHIO , ISANO KEN , IWATA NORIHIKO
IPC分类号： E02D17/04 , E02D29/045 , E21D13/00
摘要： PROBLEM TO BE SOLVED: To minimize temporary materials by using a permanent girder of an underground body structure and a slide type earth retaining timbering system for an underground construction timbering, to reduce the scale of an earth retaining wall by suppressing the deformation and stress generated in the earth retaining wall, and to reduce the construction term by simultaneously progressing the construction of the underground skeleton to be the timbering and the ground excavation. SOLUTION: This slide type earth retaining timbering system is constituted of a movable strut timbering 1 horizontally disposed in an excavation space in the earth retaining wall W and supporting the earth retaining wall W, and a vertical slide device 4(a) sliding down the strut timbering along a temporary prop P. The strut timbering 1 is constituted of a wale 11 urged against the earth retaining wall, a strut joining block 13 having a hole capable of being inserted by the temporary prop P, and a jack device 6 pushing and pulling the wale relative to the earth retaining wall. When the deformation of the earth retaining wall is small after completing the excavation, the strut timbering 1 is quickly slid down and erected near the excavation bottom.

7. 发明专利

JP2001288745A HIGH-TOUGHNESS PILE UNDERGOING HALF-FIXED JOINTING OF PILE HEAD AND CONSTRUCTING METHOD OF THE SAME 失效
公开(公告)号：JP2001288745A
公开(公告)日：2001-10-19
申请号：JP2000105886
申请日：2000-04-07
申请人： KAJIMA CORP
发明人： SAITO HAJIME , YOSHIMATSU TOSHIYUKI , KOBAYASHI MINORU , MIYAMOTO MAKOTO , ISANO KEN , KATO TAKASHI
IPC分类号： E02D5/34 , E02D27/12 , E02D27/34
摘要： PROBLEM TO BE SOLVED: To provide a high-toughness pile having the toughness increased by connecting a pile head to a foundation structure almost by means of pin jointing and lessening the bending moment, generated during earthquakes, of the head pile for the purpose of making the cross sections of the pile and the foundation structure small. SOLUTION: The pile head is half-fixedly connected to the foundation structure through the medium of a shear deformation member such as laminated rubber, etc., formed as a alternate layer composed of a steel pipe and a friction reducing member or natural rubber and an iron plate between the pile head and the foundation structure.

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