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11. 发明专利

JP2757048B2 失效
公开(公告)号：JP2757048B2
公开(公告)日：1998-05-25
申请号：JP29243289
申请日：1989-11-13
申请人： MAEDA KOSEN KK
发明人： MAEDA YUKITOSHI , KATO SUSUMU
IPC分类号： E02B3/12 , E02B3/18 , E02D3/00 , E02D17/20 , E04B1/66 , E04D5/14

12. 发明专利

JPH1088562A SOIL IMPROVEMENT METHOD AND SOIL IMPROVEMENT UNIT 失效
公开(公告)号：JPH1088562A
公开(公告)日：1998-04-07
申请号：JP23956196
申请日：1996-09-10
申请人： MAEDA KOSEN KK , MITANI SEKISAN KK
发明人： ARAI KATSUHIKO , KASAHARA KIYOMARO , KATO YOICHI
IPC分类号： E02D3/12
摘要： PROBLEM TO BE SOLVED: To improve soft ground by effectively utilizing the strength of solidified cement milk. SOLUTION: According to a soil improvement method, the soft ground 1 is drilled to form a recessed part 2, and a diotextile is added in the recessed part 2 (a). Next, crushed stone 9 is arranged on the diotextitle in the recessed part 2 to about the half of a depth, and further crushed stone 9 is further arranged through another diotexitle 10 (b). Subsequently, cement milk is poured into the recessed part 2 to fill clearances of the crushed stone, thereby wrapping the crushed stone in such a manner as to cover an opening 5 of the recessed part 2 with the diotextile (c). After solidification of cement milk, an improvement unit 11, the periphery of which is covered with the diotextiles 6, 10 to complete improvement of the ground (d).

13. 发明专利

JPH09228301A STRUCTURE FOR REINFORCING BASEMENT 失效
公开(公告)号：JPH09228301A
公开(公告)日：1997-09-02
申请号：JP5825396
申请日：1996-02-22
申请人： RAILWAY TECHNICAL RES INST , MAEDA KOSEN KK
发明人： SEKINE ETSUO , YAGUCHI NAOYUKI , YAZAKI SUMIO , KATO SUSUMU , SHIOKAWA KANJI , MATSUSHITA ATSUSHI
IPC分类号： E02D3/00 , E01B1/00
摘要： PROBLEM TO BE SOLVED: To provide a structure which is light-weight, and can be easily handled, and specially by which the outflow of cement of high fluidity, and an adhesive such as an asphalt emulsion can be prevented at the time of the construction. SOLUTION: A plural stacked porous plates 11-16, are joined in such manner that phases 12a-12n, 13a-13n-1, 14a-14n, 15a-15n-1, and 16a-16n, of joint parts of the adjacent porous plates are shifted from each other in the longitudinal direction of the porous plates, to form a frame body 20 which can be expanded like a honeycomb. And a band-shaped sheet 30 is stuck on the periphery of the frame body 20.

14. 发明专利

JPH08189002A ROAD-FLOOR REINFORCING STRUCTURE AND REINFORCING CONSTRUCTION METHOD 失效
公开(公告)号：JPH08189002A
公开(公告)日：1996-07-23
申请号：JP33844294
申请日：1994-12-30
申请人： RAILWAY TECHNICAL RES INST , TEIJIN LTD , MAEDA KOSEN KK
发明人： YAGUCHI NAOYUKI , SUZUKI MINORU , MIFUNE NAOTO , SEKINE ETSUO , MURAMOTO KATSUMI , OKAMURA YASUHIRO , OKURA SHIRO , SHIOKAWA KANJI , MATSUSHITA ATSUSHI
IPC分类号： E02D3/00 , E01B2/00
摘要： PURPOSE: To make easily portable because of being lighter than a board-shaped resin board, to easily connect by utilizing meshed fabrics of the net, to provide a reinforcing structure excellent in permeability for a road floor and weak ground, and also to reduce the occurrence of buoyency due to water and deposition of crushed stone, so that the cushionability being the characteristic of the net can be added, the retainability of crushed stone or the like that has been filled in an opening part can be improved, the durability can be enhanced while reducing the damage to the resin net due to crushed stone or the like, the stability of the road floor can be achieved for a long period of time, and the control of the crushed stone layer after construction can be facilitated. CONSTITUTION: Band-shaped resin nets 11, 12 of the nearly same width are superposed, and then the respective band-shaped resin nets are joined each other at prescribed intervals 12a, 12b, 12c in the longitudinal direction, and further another band-shaped resin net 13 of the nearly same width is superposed, and the adjacent band-shaped resin nets 12, 13 are joined each other at the intermediate points 13a, 13b of the respective joining places. By repeating these series of work procedure, a road-floor reinforcing structure can be formed.

15. 发明专利

JPH0892940A SAND-PROTECTING SHEET WITH BUILT-IN METAL 失效
公开(公告)号：JPH0892940A
公开(公告)日：1996-04-09
申请号：JP22749894
申请日：1994-09-22
申请人： MAEDA KOSEN KK
发明人： KATO SUSUMU , MIMURA MITSUNORI , YOMO TADAHIRO
IPC分类号： E02B3/12
摘要： PURPOSE: To make it possible to sew a sand-protecting sheet and prevent the sheet from being floated out or carried away during the execution of work, and keep the sheet submerged in an intended location surely and maintain a desired sand-protecting effect for a long time. CONSTITUTION: A permeable sand-protecting sheet 10 is formed with a cloth 11, a metal part 21, whose specific weight is at least 5.0, a bag-shaped cylindrical part 12 and an ear 13. The bag-shaped cylindrical part 12 is preliminarily provided with a specified spacing in the longitudinal direction and sewn and then the metal body 21 is inserted into the cylindrical part 12. The sand- protecting sheet 10 is prepared and installed to a seabed at an area which forms a foundation of a breakwater. This construction makes it possible to sew the sheet with ease and prevent the sheet from being carried away by with waves or being floated by wind during the execution of work, since a specified weight is imparted on a construction site and keep the sheet submerged at an intended site surely and hence maintain a desired sand-protecting effect at a specified position for a long time.

16. 发明专利

JPH04368514A SLOPE FACE ERROSION PREVENTIVE MATERIAL AND CONSTRUCTION USING THE SAME 失效
公开(公告)号：JPH04368514A
公开(公告)日：1992-12-21
申请号：JP17044391
申请日：1991-06-17
申请人： MAEDA KOSEN KK
发明人： KATAOKA HIDEKAZU , TSUKATA SHOJI
IPC分类号： E02D17/20
摘要： PURPOSE:To conduct errosion prevention work safely and simply for a slope face, and also reduce the raw material cost needed for the construction. CONSTITUTION:A slope face errosion preventive material 10, composed by fabricating plastic sheets 20, having hollow structure, in a grid state, is placed in a slope face 50 state. Then the slope face errosion preventive material 10 is pressed in the normal lime (c) direction of the slope face 50 to be forcedly pushed into the slope face 50.

17. 发明专利

JP2001311394A TUNNEL STRUCTURE AND TUNNEL CONSTRUCTION METHOD 失效
公开(公告)号：JP2001311394A
公开(公告)日：2001-11-09
申请号：JP2000130535
申请日：2000-04-28
申请人： MATSUOKA HAJIME , MAEDA KOSEN KK
发明人： MATSUOKA HAJIME , YOKOTA YOSHIHIRO , KAWAI HISASHI
IPC分类号： E21D11/00 , E02D29/05 , E21D11/04
摘要： PROBLEM TO BE SOLVED: To provide a tunnel structure and a tunnel construction method capable of obtaining a high arch effect for coping with tunnel back stress with a simple structure. SOLUTION: In this tunnel structure constructed by adjoining a plurality of arches, a tunnel skeleton is formed with an arch structural body constructed by stacking a plurality of block bags.

18. 发明专利

JP2001098556A VEGETATION ROLLER 失效
公开(公告)号：JP2001098556A
公开(公告)日：2001-04-10
申请号：JP27847999
申请日：1999-09-30
申请人： MAEDA KOSEN KK
发明人： MINAMIMOTO MASASHI , OKAMOTO TOSHIO , MAEDA HIDEFUMI
IPC分类号： A01G1/00 , E02B3/12 , E02D17/20
摘要： PROBLEM TO BE SOLVED: To provide an industrially producible and inexpensive vegetation roller capable of meeting the demand anytime. SOLUTION: In a vegetation roller 10 by winding and fixing a bulky sheet- like material 11 composed of a synthetic resin filament material or fiber in a roll shape so as not to be unwound, a vegetation sheet composed of at least one kind selected from a group of nonwoven fabric, a sandbag sheet and a natural fiber sheet and the bulky sheet-like material 11 composed of the synthetic resin filament material or the fiber are wound in a roll shape by superposing these on each other, and are fixed so as not to be unwound.

19. 发明专利

JP2000178939A BAB DODY FOR CIVIL ENGINEERING HAVING LEAK PREVENTIVE FUNCTION 失效
公开(公告)号：JP2000178939A
公开(公告)日：2000-06-27
申请号：JP35806998
申请日：1998-12-16
申请人： MAEDA KOSEN KK
发明人： MIMURA MITSUNORI
IPC分类号： E02B3/04
摘要： PROBLEM TO BE SOLVED: To provide a bag body for civil engineering having a leak preventive function, by which there is no possibility that a fluid leaks from a filler hole even when the pressure of the fluid injected into the bag body is increased. SOLUTION: A flow passage 30 with a closing surface 31 faced to a filler bole 10 is formed into the bag body 1, the flow passage 30 is crushed by utilizing fluid pressure in the bag body by fluid injection, and the filler hole 10 is closed directly by the closing surface 31. Accordingly, even when fluid pressure in the bag body is increased, the filler hole 10 is not opened and the leakage of a content can be hindered accurately while structure is simplified extremely and the bag body can be provided at a low cost.

20. 发明专利

JP2000144646A SUPPORT STRUCTURE OF SHOCK ABSORBING BANK BODY 失效
公开(公告)号：JP2000144646A
公开(公告)日：2000-05-26
申请号：JP32396398
申请日：1998-11-13
申请人： YOSHIDA KOUZOU DESIGN KK , ACD KK , PUROTEKKU ENGINEERING KK , MAEDA KOSEN KK
发明人： YOSHIDA HIROSHI , NOMURA TOSHIMITSU
IPC分类号： E01F7/04 , E02D17/18
摘要： PROBLEM TO BE SOLVED: To prevent damming up of water and erosion and to secure the performance over a long period of time by providing a water collecting groove and a drain channel on the installation surface of a support constructing bed formed in the midway of a slant, and constructing a shock absorbing bank body through the drain passage. SOLUTION: A slant 10 is cut off like a staircase, banking is performed to a designated height with a reinforcement material 21 interposed therein, and the side surface is covered with a retaining wall block or the like to construct a support constructing bed 20. On the installation surface 24, a water collecting channel 30 lateral to the slant 10 and plural drainage channels 31 vertical thereto are formed. On the other hand, a transmitting body 50 and a shock receiving body 60 are provided by enclosing buffer materials 52, 62 in elongated cylindrical bags 51, 61 made of raw material having both expandability and tensile strength. On the installation surface 24, a resistor 40 having a reinforcing material 41 interposed between banking layers 42 is constructed to be hierarchical, the transmitting bodies 50 are stacked horizontally on the front surface, and the shock receiving bodies 60 are arranged side by side on the front surface thereof to construct a shock absorbing bank body A. Damming up of water and erosion can be avoided by giving drainage performance to secure a shock absorbing performance over a long period of time. Further, executability is good in a job site.

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