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91. 发明专利

JPH03208918A EXECUTION METHOD FOR WATER IMPERMEABLE FILM WALL 失效
公开(公告)号：JPH03208918A
公开(公告)日：1991-09-12
申请号：JP481390
申请日：1990-01-12
申请人： KAJIMA CORP
发明人： SAKATA NOBORU , MATSUI NOBUYUKI , YOSHIKAWA TADASHI
IPC分类号： E02D19/12
摘要： PURPOSE:To promote greatly execution efficiency by lapping the ends of water impermeable sheets having stopping pieces projected to the boundary between body sections and the end sections in a belt shaped channel to insert, and filling a material with high impermeability between opposite leak stopping pieces. CONSTITUTION:Leak stopping pieces 5 and 5 are projected right and left to the boundary between body sections 3b and 3b of impermeable sheets 3 and 3 and joint sections of the end sections 3a. After that, the impermeable sheets 3 and 3 are inserted into a belt shaped channel 2 by lapping the joint sections each other, and a material 6 with high impermeability such as asphalt mortar, etc. is filled between opposite leak stopping pieces 5 and 5. According to the constitution, pressure-welding work by a large scaled machine is not required, and the impermeable sheets 3 and 3 can be joined without having any trouble even in water or muddy water.

92. 发明专利

JP2009125782A FLASH WELDING EQUIPMENT AND METHOD FOR EXECUTING MULTIPLE TUNNEL USING THE SAME 审中-公开
公开(公告)号：JP2009125782A
公开(公告)日：2009-06-11
申请号：JP2007304819
申请日：2007-11-26
申请人： TAISEI CORP , KAJIMA CORP , TEKKEN CONSTR CO , KOMATSU MFG CO LTD , JFE ENG CORP
发明人： FUJITANI TOSHIMI , TANABE KIYOSHI , OSAKA MAMORU , SHIRAI SHUNSUKE , YOSHIKAWA TADASHI , KASUYA TARO , NAKAMURA SEIJI , YAMAMOTO YOSHIHISA , FUJII MITSURU , KATSUKI MAKOTO , WATANABE KAZUYOSHI
IPC分类号： B23K11/04 , B23K101/06 , E21D9/04
摘要： PROBLEM TO BE SOLVED: To provide flash welding equipment having excellent work efficiency and capable of ensuring a space for various works required for pipe roof execution in a tunnel as large as possible, and a method for executing multiple tunnel using the same. SOLUTION: The flash welding equipment 20 is freely attachable to a steel pipe guide stand 11 of a propulsion device 10 for propelling a steel pipe for a pipe roof and performs the flash welding of steel pipes P1, P2. The flash welding equipment 20 comprises: first and second gripping devices 21, 22 for gripping the steel pipes P1, P2; a servo jack 23 which connects the gripping devices 21, 22 and draws the steel pipes P1, P2 closer to each other in the middle step of the flash welding; and an upset jack 25 for connecting the steel pipes P1, P2 to each other and upsetting the steel pipes P1, P2 in the final step of the flash welding. The gripping devices 21, 22, the servo jack 23 and the upset jack 25 are successively attached/detached to/from the steel pipe guide stand 11. COPYRIGHT: (C)2009,JPO&INPIT

93. 发明专利

JP2006342623A MEMBER CONSTRUCTION METHOD AND CONSTRUCTED MEMBER 审中-公开
公开(公告)号：JP2006342623A
公开(公告)日：2006-12-21
申请号：JP2005170960
申请日：2005-06-10
申请人： KAJIMA CORP
发明人： KOTAKI YUTAKA , YOSHIKAWA TADASHI , YAMANOBE SHINICHI
IPC分类号： E21D9/06 , E21D1/03 , E21D9/04
摘要： PROBLEM TO BE SOLVED: To provide a member construction method capable of easily constructing a rebar. SOLUTION: An extrusion device 13 presses an excavator 15 toward a boring expected position 17 of the natural ground 9, and the excavator 15 moves in the B direction in the boring expected position 17 while excavating the natural ground 9. A basket body 1a is connected to an end part 21 of the excavator 15 in a contracted state, and the basket body 1a extends in response to the movement of the excavator 15. When the excavator 15 advances by a specific distance, the extrusion device 13 is stopped once, and a steel pipe 19 is connected to an end part 19 of the excavator, and excavation is resumed. When completing the excavation, concrete is injected into a pipe body 19. COPYRIGHT: (C)2007,JPO&INPIT

94. 发明专利

JP2003120194A TUNNEL FLOOR PLATE CONSTRUCTION METHOD AND TUNNEL 审中-公开
公开(公告)号：JP2003120194A
公开(公告)日：2003-04-23
申请号：JP2001321708
申请日：2001-10-19
申请人： KAJIMA CORP
发明人： UO TOMOYUKI , MATSUMOTO SEIJIRO , YOSHIKAWA TADASHI , TANAKA TOSHIHARU , NISHIKAWA TAKESHI , NAKADA HISAYA , YAMANAKA HIROYUKI
IPC分类号： E21D11/08
摘要： PROBLEM TO BE SOLVED: To provide a tunnel floor plate construction method and a tunnel for realizing good economy and workability and shortening a construction term. SOLUTION: While excavating a tunnel 3, a plurality of circular arc H-steel 17 divided with reference to the lowermost part 18 are sequentially arranged and fixed on the inside of segments 15a, 15b, and 15c arranged inside the tunnel 3. In both end parts of the circular arc H-steel 17, brackets 19 are fixed, while two base parts 25 are formed in the vicinity of the center. When a gate-shaped precast member 27 is arranged on the upper end face of the base part 25 and a horizontal precast member 29 is arranged on the upper end face of the cutout 30 and the bracket 19, a tunnel floor plate is formed. A working carriage 13 is placed on the previously formed tunnel floor plate, and onward tunnel floor plates in the excavating direction are formed sequentially.

95. 发明专利

JP2002155528A CONSTRACTION METHOD AND DEVICE FOR DEVELOPING IMPROVED GROUND 失效
公开(公告)号：JP2002155528A
公开(公告)日：2002-05-31
申请号：JP2000353782
申请日：2000-11-21
申请人： KAJIMA CORP
发明人： YOSHIKAWA TADASHI
IPC分类号： E02D3/12
摘要： PROBLEM TO BE SOLVED: To provide a constraction method of developing the improved ground capable of reducing the cost and capable of shortening the construction period by improving the tensile strength of an improving body by mixing the short fibers or the long fibers having a high strength in a process of constructing the improving body, and by reducing the thickness or the number of the improving body necessary on design. SOLUTION: A fiber supply tube 3 for supplying the reinforcing fiber 4 is fixed along a multiple-pipe 1 to be inserted into the ground. At the same time with the injection J of a hardener when drawing, the fiber 4 prepared on the ground is sucked by the negative pressure generated by the injection J from a tip of the supply pipe 3 or fed by the hydraulic pressure, and mixed with the injection hardener to develop the improved ground S.

96. 发明专利

JP2001279667A METHOD FOR CONSTRUCTING CAST-IN-PLACE PILE JUST UNDER EXISTING FOUNDATION 失效
公开(公告)号：JP2001279667A
公开(公告)日：2001-10-10
申请号：JP2001073541
申请日：2001-03-15
申请人： KAJIMA CORP
发明人： YOSHIKAWA TADASHI , YAMANAKA HIROYUKI
IPC分类号： E02D5/34 , E02D27/12 , E02D27/34
摘要： PROBLEM TO BE SOLVED: To easily and surely improve support force of a foundation, strength and horizontally deforming performance without expanding the area and without removing an existing foundation, and effectively use an existing pile when there is the existing pile. SOLUTION: A vertical directional through hole 4a is bored in the existing foundation 1. A columnar ground improver 3 is constructed just under the existing foundation by a high pressure injection replacement method by using this through hole 4a. For example, a wire rod 7 is arranged in a spiral shape near a peripheral surface on the inside of this columnar ground improver 3 by using a through hole 4b bored in the existing foundation, or the columnar ground improver covered with a bag is created. A rope is arranged in a spiral shape by applying centrifugal force to a weight of the rope instead of this. Thus, a vertical directional steel material 8 is arranged inside the wire rod 7 arranged in a spiral shape inside the columnar ground improver 3.

97. 发明专利

JP2000226983A SOIL IMPROVEMENT MAKING USE OF METHOD JETTING FROM SHIELD MACHINE 失效
公开(公告)号：JP2000226983A
公开(公告)日：2000-08-15
申请号：JP2967999
申请日：1999-02-08
申请人： KAJIMA CORP
发明人： TANAKA KOICHI , MITSUI TAKASHI , YOSHIKAWA TADASHI , FUKUDA MASAHIRO , KURONUMA IZURU , KADOTA TAKESHI
IPC分类号： E02D3/12 , E21D9/06
摘要： PROBLEM TO BE SOLVED: To shorten the working time and realize soil improvement in a relatively low cost by attaching a nozzle to the tip of the rotary excavation device of a shield machine and jetting a stabilizing material into a soil-improving section of the outer periphery of the shield machine by means of a high pressure pump installed in the shield machine in accordance with excavation during the sealing work. SOLUTION: A nozzle 4A is equipped at the tip of a spoke cutter 2 of a shield machine and a stabilizing material K is jetted in a high pressure by a high pressure pump 5 from the nozzle 4A through a high pressure swivel 6 and a high pressure hose 7. A valve is opened or closed in accordance with the position of the spoke cutter 2 to jet the stabilizer K in a high pressure from the nozzle 4A at an optional position necessary for the soil-improvement and carry out soil-improvement with an optional shape. In this way, since any aftertreatment of soil-improvement is not required, the working time can be shortened and soil can be improved in a relatively low cost.

98. 发明专利

JPH11323910A GROUND IMPROVING CONSTRUCTION METHOD 失效
公开(公告)号：JPH11323910A
公开(公告)日：1999-11-26
申请号：JP13658198
申请日：1998-05-19
申请人： KAJIMA CORP
发明人： YOSHIKAWA TADASHI , YAMANAKA HIROYUKI
IPC分类号： E02D3/12 , E21D9/06
摘要： PROBLEM TO BE SOLVED: To contribute to reducing a construction cost by reducing an improving range by simply and inexpensively improving bending bearing force. SOLUTION: Ground is cut in a columnar shape by a water jet to be put in a muddy water state, a bag 6 having a prescribed opening 11 capable of flowing outside an internally injecting filler is inserted there in a contracted state together with a rod, and is swollen by filling a filler 8 by mixing a reinforcing fiber in the bag 6 through the rod when necessary by a filler such as cement milk, mortar or concrete. A columnar improved body 4 having a core body 3 surrounded by the bag 6 is also executed by filling the filler 8 flowing out of the bag inside in a void between the bag 6 and a foundation so that this columnar improved body 4 is properly juxtaposed.

99. 发明专利

JPH1025737A METHOD OF CAST-IN-PLACE PILE CONSTRUCTION JUST UNDER EXISTING FOUNDATION 失效
公开(公告)号：JPH1025737A
公开(公告)日：1998-01-27
申请号：JP28520096
申请日：1996-10-28
申请人： KAJIMA CORP
发明人： YOSHIKAWA TADASHI , YAMANAKA HIROYUKI
IPC分类号： E02D5/34
摘要： PROBLEM TO BE SOLVED: To improve the bearing power, yield strength and horizontal deformation performance of a foundation by effectively utilizing an existing pile without removing an existing foundation by boring a through-hole to the existing foundation and constructing a cast-in-place pile through the through-hole. SOLUTION: Through-holes 4a are bored to an existing foundation 1, a ground is cut by a water jet by a rod and brought to a muddy-water state, bags 15 made of high-strength resin fibers are inserted together with the rod, cement milk, mortar, etc., are poured in from the front end of the rod and the insides of the bags 15 are filled with cement milk, mortar, etc., and columnar soil improved bodies 3 are prepared. Reinforcing bars, steel bars, etc., are inserted into the through-holes 4a, and fixed onto the existing foundation 1 and the soil improved bodies 3, and the horizontal force is transmitted. Linear or spiral steel is arranged into the soil improved bodies 3 through separately bored through-holes, and the soil improved bodies 3 may also be created by a method of high-pressure infection replacement construction. Accordingly, a cast-in-place pile is constructed just under the existing foundation, and the bearing power, yield strength and horizontal deformation performance of the foundation can be improved simply and surely.

100. 发明专利

JPH08109632A COMPRESSION TYPE PERMANENT ANCHOR 失效
公开(公告)号：JPH08109632A
公开(公告)日：1996-04-30
申请号：JP24519594
申请日：1994-10-11
申请人： KAJIMA CORP
发明人： KANEUJI MAKOTO , TOKUYAMA SEIJI , MOCHIDA SATORU , YOSHIKAWA TADASHI
IPC分类号： E02D5/80 , E04C5/12
摘要： PURPOSE: To surely hold the proper stress transfer state to a bearing body from a PC steel wire and enhance the quality of the whole anchor part. CONSTITUTION: In order to make sure of perpendicularity between a bearing body 3 and a PC steel wire 2, a binding grip 4 of the PC steel wire 2 is stored in a storing space 5 of the bearing body 3 separately. A closing cover 6 is mounted to the storing space 5, and a spring 7 is provided the binding grip 4 and cover 6 to push always the binding grip 4 in the direction of the bearing body 3. In addition, the binding grip 4 is fixed with rust proof grease 9 injected in the storing space 5 from an injection hole 8 of the cover 6. The binding grip 4 is vertically fixed firmly to the bearing body 3, fixing strength between the bearing body 3 and PC steel wire 2 (binding grip) is increased, and even if the bearing body 3 and PC steel wire 2 are roughly treated, the PC steel wire 2 is surely fixed to the bearing body in an unmovable state. The rust on the binding grip 4 and PC steel wire 2 is prevented by the rustproof grease 9 in the storing space 5.

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