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1. 发明专利

JPH03206211A DRAIN MATERIAL, SOFT GROUND IMPROVING STRUCTURE USING DRAIN MATERIAL AND FOUNDATION PILLAR USING THE SAME STRUCTURE 失效
公开(公告)号：JPH03206211A
公开(公告)日：1991-09-09
申请号：JP107590
申请日：1990-01-09
申请人： HAZAMA GUMI , MARUYAMA KOGYO
发明人： ONO MUTSUO , KATO TOSHIAKI , NAKAKUMA KAZUYOSHI
IPC分类号： E02B11/00 , E02D3/10 , E02D5/38 , E02D5/46
摘要： PURPOSE:To improve the working efficiency by draining void water produced by banking to a drain groove through a drain member consisting of a leading body driven into the ground and a drain member body, and then placing a cement hardening agent in the drain member body. CONSTITUTION:A drain member 8 is formed of a leading body 7 driven into the ground while excluding the surrounding ground 9 and a drain material body 1 consisting of arranged reinforcement bar-like member and permeable member. The drain member 8 is fitted to the outside of the body 1 and a tubular casing 14 is disposed on the rear portion of the leading body 7 to drive the drain member 8 into the ground 9 with a vibro-hammer 13. Next, the tubular casing 14 is drawn out and the ground 9 is banked 10 to drain void water 11 in the ground 9 through the drain member 8 to a drain groove 12. Next, a cement hardening agent 16 is poured through a pouring pipe 15 provided on the drain member body 1 to build a foundation pillar after for improving the foundation. Thus, the work execution can be facilitated.

2. 发明专利

JPH08120661A DEVICE FOR GROUND UNDER EXISTING STRUCTURE FOR PREVENTING LIQUEFACTION OF GROUND 失效
公开(公告)号：JPH08120661A
公开(公告)日：1996-05-14
申请号：JP27862594
申请日：1994-10-19
申请人： NIPPON STEEL CORP , HAZAMA GUMI
发明人： HASEGAWA HISASHI , TAKEUCHI TAKASHI , TATSUHARA TAKESHI , SAITO TAKUYA , NISHI KUNIO , OHASHI MIKIO , KATO TOSHIAKI
IPC分类号： E02D3/12 , E02D3/10 , E02D31/08
摘要： PURPOSE: To easily execute works for providing the ground under an existing structure with means that work for preventing liquefaction of the ground on the occasion of an earthquake. CONSTITUTION: A curved bore is built, starting from a starting point provided to the ground surface 4 on one side of an existing structure 1, to a depth on a stratum 3 to be improved because of its liability to liquefaction. Then, excavation holes 6 are burrowed, starting from the lower end of the curved bore, to the inside of the stratum 3 to be improved, or the underside of the stratum 3, approximately in a straight line in a length extending over the underside of a single or a plurality of existing structures, and works for providing the ground with means for preventing liquefaction are executed, using the excavation holes 6.

3. 发明专利

JPH0813472A SCATTERING METHOD FOR FIBER 失效
公开(公告)号：JPH0813472A
公开(公告)日：1996-01-16
申请号：JP14967894
申请日：1994-06-30
申请人： MINI PUBLIC WORKS , DOBOKU KENKYU CENTER , SATO KOGYO , KUMAGAI GUMI CO LTD , DAINIPPON INK & CHEMICALS , HAZAMA GUMI
发明人： MIKI HIROSHI , HAYASHI YOSHIYUKI , SENDA SHOHEI , INADA HIROFUMI , HORIUCHI HARUO , UCHIYAMA MASAMI , KATO TOSHIAKI
IPC分类号： E02D3/12
摘要： PURPOSE:To make uniform the strength of soil, by blowing compressed air in a frother dissolved in a liquid to generate bubbles and adding short fiber thereto and agitating and mixing it and after that, mixing it with soil and dispersing the fiber by the bubbles. CONSTITUTION:Air is blown in a dissolved frother 1 to generate a number of fine bubbles 14 in a bubble generator 3. The air bubbles are mixed with short fiber 13 with 2-10cm in the length of 1-30 denier in the fineness, in an agitator 8. In this case, the short fiber 13 corresponding to the weight as much as 0.2-1% of the dry solid of soil is mixed with the soil. The dispersed fiber 15 with air bubbles mixed by the agitator 8 is scattered from the discharge opening 16 to soil 28 through a hose 27. The short fiber is mixed with the soil 28 by the blades 26 of a stabilizer agitator 21 to prevent short fiber from being entangled and evenly scatter it to the whole. In this way, the equipment is miniaturized and lightened and further, the soil strength can be made uniform.

4. 发明专利

JPH05339933A 失效
公开(公告)号：JPH05339933A
公开(公告)日：1993-12-21
申请号：JP15061992
申请日：1992-06-10
申请人： HAZAMA GUMI
发明人： KATO TOSHIAKI
IPC分类号： E02D3/046
摘要： PURPOSE:To increase penetration efficiency of a vibro-flot, by ejecting compressed air to the whole periphery of the front end of a vibration compactor penetrating the device by ejecting compressed air to help promote the penetration by compressed air and efficiently remove sand or the like at the periphery of the front end of the vibrator. CONSTITUTION:A vibration compactor 10 is composed of a vibrator 20, a rod 40, an isolator 30. In the vibrator 20, air jet 70 as compressed air for excavation is ejected from the air blowing opening 26 at the front end and air jet 70' as dispersing compressed air is ejected respectively from a couple of air blowing pipes 24 at the periphery of the front end as a part of dispersing means of compressed air, equipped at the opposite position on the outer peripheral plane of the ejecting opening at the front end, in order to help penetration of the vibration device by air jet 70.

5. 发明专利

JPS61282512A GROUND IMPROVEMENT WORK 失效
公开(公告)号：JPS61282512A
公开(公告)日：1986-12-12
申请号：JP12380485
申请日：1985-06-07
申请人： HAZAMA GUMI
发明人： KATO TOSHIAKI
IPC分类号： E02D3/00
摘要： PURPOSE:To improve the ground by a method in which the ends of many underlay nets having many projections are lapped for laying them on the ground, e.g., soft ground, etc., while inserting their projections into the lapped net portions, and a banking is constructed on the nets. CONSTITUTION:Underlay nets 1 having projections 3 and 3' on its upper and lower sides are connectedly laid on the ground 4, e.g., soft ground, etc., while lapping their ends and also inserting their projections 3 and 3' into the meshes 2. Banking 5 of soil, sand and gravel is then constructed on the nets 1.

6. 发明专利

JPS61134439A Banking reinforcing metnod 失效
标题翻译：银行加固METNOD
公开(公告)号：JPS61134439A
公开(公告)日：1986-06-21
申请号：JP25377184
申请日：1984-11-30
申请人： Hazama Gumi Ltd
发明人： ONO MUTSUO , KATO TOSHIAKI
IPC分类号： E02D5/80 , E02D17/20
CPC分类号： E02D17/20
摘要： PURPOSE:To improve working efficiency, by a method where in a number of rodform reinforcing materials, having resistances to corrosion, to shearing, and to tension, are pressed at a given angle in the face of slope of a banking structure. CONSTITUTION:A banking structure 1 is built by the use of soil in site on an original ground 2, and during execution of a banking work or after completion of a banking work, a number of reinforcing rods 3 are pressed in a face 1a of slope of the banking structure 1 by means of a pressing-in device 4, such as breakers, drills, to perform desired reinforcement. Cornosion preventing paint is coated on the surface of the reinforcing rod 3, and the reinforcing rod 3 produces a rodform substance which has resistances to corrosion, to shearing, and to tension. This enables reinforcement of the face of slope of the banking structure irrespective of either of during execution of a banding work and after completion of the same and permit sharp improvement of working efficiency.
摘要翻译：目的：为了提高工作效率，通过在银行业结构的斜面的表面上以一定角度压制具有耐腐蚀性，剪切性和张力性的多种棒状增强材料的方法。规定：银行业结构1是通过在原地2上现场使用土壤建造的，在银行业务执行期间或完成银行业务后，将多个加固棒3按压在斜坡面1a 通过诸如断路器，钻头的压入装置4来执行所需的加固。防腐蚀涂料涂覆在加强棒3的表面上，加强棒3产生具有腐蚀，剪切和张力的抗性的棒状物质。这可以加强银行结构的斜面的面部，而不管在捆扎作业的执行期间和完成之后，还能够大大提高工作效率。

7. 发明专利

JPH03286020A METHOD FOR DRIVING CAST IN PLACE CONCRETE PILE 失效
公开(公告)号：JPH03286020A
公开(公告)日：1991-12-17
申请号：JP8583890
申请日：1990-03-30
申请人： HAZAMA GUMI
发明人： YAMAGUCHI YASUNORI , KATO TOSHIAKI , UCHIDA AKIRA , NITTA RYOJI
IPC分类号： E02D5/36
摘要： PURPOSE:To accelerate construction without using a special excavator or producing spoil by boring a hole into the ground up to a required depth by means of a vibrating rod with a shaker and then, while pulling out the rod, injecting stabilizing liquid into the hole. CONSTITUTION:A vibroflot 1, surface feeder type, with a shaker is hung on a three point support type tower 2, positioned at a boring place, given a horizontal vibration, and driven into the ground 3 up to a prescribed depth. After that, stabilizing liquid 5 such as betnight muddy water, is injected into a hole 4 through an injection pipe 6 from the tip of the vibroflot 1, while pulling out the vibroflot 1. After pulling out the vibroflot 1 from the hole 4, a reinforcement cage 7, tension reinforcing member, is suspendedly put into the hole 4 by the tower 2. In addition, a slime disposal is made through a tremie pipe 9, injecting further water by a water injection pipe 8, and concrete 11 is cast, pulling out the tremie pipe 9 with the drainage of the stabilizing liquid 5, to fill the hole 4.

8. 发明专利

JPH03235814A UNDERWATER PLACING DEVICE AND UNDERWATER PLACING METHOD FOR HARDENING-MATERIAL 失效
公开(公告)号：JPH03235814A
公开(公告)日：1991-10-21
申请号：JP3146090
申请日：1990-02-14
申请人： HAZAMA GUMI
发明人： KATO TOSHIAKI
IPC分类号： E02B15/00 , E02D15/06
摘要： PURPOSE:To prevent water from becoming muddy by providing a water bottom operation territory so that it may be covered with a covered member, and connecting a tremie and a water recovery pipe with the covered member, and then, placing a hardening-material within the operation territory through the tremie. CONSTITUTION:A space 11 is formed by bulging the center portion of a rubber membrane 2 spread on the water bottom 10. Next, the lower end of a tremie 4 which has been taken down from a plant ship 1, is connected to the membrane 2, and also the lower end of a water recovery pipe 5 which is supported above the surface of the water by means of a floating body 9, is connected with the membrane 2 and is made to communicate with the space 11. Next, the valve 7 of the pipe 5 is closed, and also valves 6, 8 are opened, and concrete is poured into the inside of the tremie 4, and placed at the water bottom within the membrane 2. And the water within the space 11 rises up through the inside of the pipe 5, and a muddy degree sensor 12 detects the muddy degree of the water. Moreover, when the water is not muddy, the water is returned above the water surface via the valve 6, and when the sensor 12 detects muddiness, the valve 6 is closed, and also the valve 7 is opened, and the water is sent to a muddy water recovery processing means.

9. 发明专利

JPH09105135A DAMPER 失效
公开(公告)号：JPH09105135A
公开(公告)日：1997-04-22
申请号：JP26278895
申请日：1995-10-11
申请人： HAZAMA GUMI
发明人： TORAN DEYUKU FUI OAN , AMAMIYA KIYOSHI , KATO TOSHIAKI
IPC分类号： E02F3/36 , E01C19/34 , E02D3/046
摘要： PROBLEM TO BE SOLVED: To make it possible to comply with an inclined surface of a ground to be compacted or the like by providing a bearing means which supports a compaction board so that it may slant to a specified state and a return means which returns the compaction board slanted with the bearing means to the specified state. SOLUTION: An expansion spring 3 is fixedly provided in such a fashion that it may be placed in parallel to the outward periphery of the tip 2a of a power mechanism 2 and one end of the spring 3 may be provided at four locations with a similar spacing to a flange 2b projectingly provided outside the power mechanism 2 while the other end is fixed with the outer periphery of the compaction board 1, thereby coating the area with a protection cover 3a. Therefore, the compaction board 1, which comes in contact with the tip 2a of the power mechanism 2 by way of an oil film, is supported tiltably with a specified state while the compaction board 1, which has tilted, is returned to the specified state with ease. This construction makes it possible to cope with an inclined surface of the ground or the like to be compacted.

10. 发明专利

JPH03158521A FOUNDATION MATERIAL UNDERWATER PLACING DEVICE AND UNDERWATER PLACING METHOD 失效
公开(公告)号：JPH03158521A
公开(公告)日：1991-07-08
申请号：JP29614689
申请日：1989-11-16
申请人： HAZAMA GUMI
发明人： KATO TOSHIAKI
IPC分类号： E02B3/18 , E02B15/00 , E02D15/06
摘要： PURPOSE:To make it possible to conduct concrete placing work while preventing water from being polluted by installing a tegumentary member so as to cover an execution area on the subaqueous ground and by connecting each one end of a Ptolemy pipe and a water recovery pipe to the tegumentary member. CONSTITUTION:A tegmentary member 2 is dropped into water in an execution area and is spread on an underwater ground 10. In the next step, the central section of the tegmentary member 2 is expanded so as to form a specified space 11, and anchors are attached to the periphery. After that, the lower end of a Ptolemy pipe 4, which has been unloaded from a plant vessel 1, is watertightly connected to the tegumentary member 2 so as to be communicated to the space 11, and its upper end is opened to the water surface. A water recovery pipe 5 supported by a floating body 9 on the water surface is installed, and the lower end of the water recovery pipe 5 is watertightly connected to the tegumentary member 2 so as to be communicated to the space 11. In addition, its upper end is forked on the water surface with one end faced to the water surface as it is, and the other end communicated to the side of a dirty water recovering and processing unit.

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