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1. 发明专利

JP2003221810A PREVENTION WALL FOR FALLING STONE WITH CUSHIONING MECHANISM 审中-公开
公开(公告)号：JP2003221810A
公开(公告)日：2003-08-08
申请号：JP2002019697
申请日：2002-01-29
申请人： RINGYO DOBOKU SHISETSU KENKYUS , NIPPON RINGYO DOBOKU KK , SANWA KOSAN KK , NIPPON STEEL METAL PROD
发明人： INOUE TAKAHITO , IWASA NAOTO , SUGIMURA MISAKI , SAITO CHOJI
IPC分类号： E01F7/04
摘要： PROBLEM TO BE SOLVED: To provide a prevention wall for a falling stone with a cushioning mechanism having a cushioning material using wood chips at a low cost effectively utilizing lumber from a thinning. SOLUTION: The cushioning material 13 using the wood chips 11 is installed onto a surface receiving falling stones in a prevention wall body 10 for the falling stones. A bag body 12 composed of a flexible material or a housing is filled with the wood chips 11, or blocks for a cushioning obtained by molding the wood chips or compression-molding them in a hollow shape are placed singly or housed in the housing. The hollow internal surface side is reinforced by a reinforcing member. The bag body 12 or the housing is secured to the prevention wall body 10 for the falling stones by strip bodies or U bolts. COPYRIGHT: (C)2003,JPO

2. 发明专利

JP2000096570A NATURAL SLOPE STABILIZING METHOD 失效
公开(公告)号：JP2000096570A
公开(公告)日：2000-04-04
申请号：JP26854598
申请日：1998-09-22
申请人： NIPPON STEEL METAL PROD , RINGYO DOBOKU SHISETSU KENKYUS
发明人： IWASA NAOTO , OSUMI HISASHI , INOUE TAKAHITO
IPC分类号： E02D5/80 , E02D17/20
摘要： PROBLEM TO BE SOLVED: To efficiently obtain the bearing effect caused by bearing plates of anchors without bringing any effect of pile group to the anchors adjacent to each other and, at the same time, to promote efficiency of wire rope joint work between the anchors. SOLUTION: A plurality of anchors 11 are arranged on the natural slope at regular intervals, at the same time, bearing plates 12 are mounted to the anchors 11, they are clamped to provide bearing force against the ground, and joints among the anchors 11 are made with wire ropes 13. The arrangements of the anchors 11 are so arranged that a regular triangle making one side as a slope inclined direction is positioned to each of intersections of a regular triangle net formed in the shape of a mesh. Three anchors 11 forming one regular triangle mesh are connected with one of the wire ropes 13.

3. 发明专利

JPH11222867A NATURAL-SLOPE STABILIZING CONSTRUCTION METHOD AND BEARING MEMBER THEREFOR 失效
公开(公告)号：JPH11222867A
公开(公告)日：1999-08-17
申请号：JP4117098
申请日：1998-02-06
申请人： NIPPON STEEL METAL PROD , RINGYO DOBOKU SHISETSU KENKYUS
发明人： IWASA NAOTO , OSUMI HISASHI , INOUE TAKAHITO
IPC分类号： E02D17/20
摘要： PROBLEM TO BE SOLVED: To provide a natural-slope stabilizing construction method capable of effectively stabilizing a natural slope while preferably maintaining the natural slope. SOLUTION: A tensile member 12 such as an anchor rod is penetrated into a ground on a natural slope 11 first while the front end section of the tensile member 12 is fixed onto a hard foundation ground 13. A downward conical body-shaped member 15 is arranged onto the upper section of the tensile member 12, and the conical body- shaped member 15 is pushed in by any means from a ground surface, and buried into the ground. A bearing member 14 is disposed to the ground projecting section of the tensile member 12, a tensile force is given to the tensile member 12 bearing force to a stratum between the conical body-shaped member 15 and the hard foundation ground 13 is worked to the bearing member 14 receiving the reaction of the tensile force and the conical body-shaped member 15 on the underside of the bearing member 14 and the natural slope 11 of interest is stabilized by the bearing effect. Accordingly, the bearing effect in the bearing member 14 is increased by the working of the conical body-shaped member 15, and a slope stabilizing effect is improved. Since the natural slope is not excavated, the natural slope is maintained preferably.

4. 发明专利

JP2002285559A SLOPE STABILIZING METHOD AND SLOPE STABILIZING APPARATUS 失效
公开(公告)号：JP2002285559A
公开(公告)日：2002-10-03
申请号：JP2001082960
申请日：2001-03-22
申请人： NIPPON STEEL METAL PROD , RINGYO DOBOKU SHISETSU KENKYUS
发明人： IWASA NAOTO , SUGIMURA MISAKI , KATO TAKAAKI , INOUE TAKAHITO
IPC分类号： E02D17/20
摘要： PROBLEM TO BE SOLVED: To provide a slope stabilizing method which is increased in slope pressing function and anchor retaining function, and improved in workability thereof, and to provide a slope stabilizing apparatus. SOLUTION: To implement the slope stabilizing method, a plurality of unit net members 3 each consisting of a peripheral rope 1 squarely arranged, for instance, and inner ropes 2 tied to the peripheral rope 1 to form mesh within the rope 1, are employed. According to the method, first, (1) the unit net members 3 are adjacently arranged on the slope, and (2) the two adjacent peripheral ropes 1 of the adjacent unit net members 3 are connected together by joint metals 4, (3) followed by carrying out work at unit net member corner portions. Specifically, at each corner portion 3a of the adjacent unit net members 3, an anchor 5 is inserted into the ground, and a bearing member 6 is attached to a head of the anchor 5, followed by connecting the corner portion 3a of the unit net members 3 to the bearing member 6 which is then clamped. Thus, the unit net members 3 largely perform the slope pressing function. The peripheral rope 1 of the unit net member 3 performs the anchor retaining function, while the inner ropes 2 take charge of load transferring function and perform the anchor retaining function, as well. Therefore, the workability of this method is good.

5. 发明专利

JP2002212954A SLOPE STABILIZATION METHOD AND SLOPE STABILIZED CONSTRUCTION 失效
公开(公告)号：JP2002212954A
公开(公告)日：2002-07-31
申请号：JP2001013835
申请日：2001-01-22
申请人： NIPPON STEEL METAL PROD , RINGYO DOBOKU SHISETSU KENKYUS
发明人： ICHIMURA MASAHIKO , IWASA NAOTO , KATO TAKAAKI , INOUE TAKAHITO
IPC分类号： E02D17/20
摘要： PROBLEM TO BE SOLVED: To prohibit the occurrence of new movement of sediment in an upper portion where the sediment movement has never occurred before, by dispersing the thrust by the rope and transmitting the thrust to the upper portion when the thrust of sediment movement acts on an anchor 2. SOLUTION: Ropes expanding in up-down direction of the slope are not arranged, and only the ropes 1d and 1e mutually intersecting in diagonal directions so as to form a diamond mesh shape are arranged. Next, an anchor 2 is installed to an intersecting point of both the ropes 1d and 1e. Therefore, work for attaching bearing plates, work for connecting ropes 1d and 1e to the anchor head portions, and forcefully sinking the bearing plates and generating ground supporting force is performed. When the thrust of sediment movement acts on the anchor 2, the ropes 1d and 1e are in the skew directions, and the thrusts of the sediment movement are attenuated, dispersed and transmitted to anchors 2 in a wide range. A large thrust does not act locally, and any problem of causing new sediment movement in an upper portion will not be created.

6. 发明专利

JP2002088769A SLOPE STABILIZING METHOD 失效
公开(公告)号：JP2002088769A
公开(公告)日：2002-03-27
申请号：JP2000281530
申请日：2000-09-18
申请人： NIPPON STEEL METAL PROD , RINGYO DOBOKU SHISETSU KENKYUS
发明人： IWASA NAOTO , KATO TAKAAKI , INOUE TAKAHITO
IPC分类号： E02D17/20
摘要： PROBLEM TO BE SOLVED: To increase slope stabilizing effect without cutting trees. SOLUTION: In order to increase the slope stabilizing effect, a slope surface stabilizing method by using first anchors 1, bearing plates, and a head connecting member 2, is carried out not only in an area S1 which is in danger of slope failure in view of ground conditions of a slope surface, but also in an area S2 (i.e., area in no danger of the slope failure) upper than the area S1 in danger of the slope failure, by using second anchors 1', the bearing plates, and the head connecting member 2, such that a row of the first anchors 1 and the head connecting member 2 set in the area S1 in danger of the slope failure are extended toward an upper side of the slope surface (1st one of Fig. 1). Thus, the second anchors 1' and the head connecting member 2 connected thereto, which are set in the area S2 in no danger of the slope failure, minimize movement of collapse earth at the time of the slope failure (2nd one of Fig. 1). Setting of the second anchors 1' in the area S2 in no danger of the slope failure need not cutting of trees, which is preferable as the slope stabilizing method applied to the natural slope surface.

7. 发明专利

JP2000282474A SLOPE STABILIZING DEVICE 失效
公开(公告)号：JP2000282474A
公开(公告)日：2000-10-10
申请号：JP8555299
申请日：1999-03-29
申请人： NIPPON STEEL METAL PROD , RINGYO DOBOKU SHISETSU KENKYUS
发明人： IWASA NAOTO , OSUMI HISASHI , INOUE TAKAHITO
IPC分类号： E02D17/20
摘要： PROBLEM TO BE SOLVED: To make effective use of a wire rope connecting between anchors for stabilizing a slope. SOLUTION: A plurality of anchors 11 are installed in a certain configuration on a slope and a pressure bearing plate 12 is attached to the head of each anchor 11 and fastened to provide a pressure bearing force against the ground. The heads of the anchors 11 are interconnected by a wire rope 13. In that case, downward projections 15 are fixedly or unfixedly disposed on the back faces of the bottom plates 14 of the pressure bearing plates 12 and the wire rope 13 is engaged with the downward projections 15. When a tension is applied to the wire rope 13, not only a simple horizontal tension but also a downward tension immediately below each pressure bearing plate are produced on the wire rope 13. The downward tension allows the wire rope 13 to bind lumps of soil by pressing against the ground, providing a high slope-stabilizing effect.

8. 发明专利

JP2000136535A SLOPE STABILIZING METHOD AND DEVICE THEREOF 失效
公开(公告)号：JP2000136535A
公开(公告)日：2000-05-16
申请号：JP30990098
申请日：1998-10-30
申请人： NIPPON STEEL METAL PROD , RINGYO DOBOKU SHISETSU KENKYUS
发明人： IWASA NAOTO , OSUMI HISASHI , INOUE TAKAHITO
IPC分类号： E02D5/80 , E02D17/20
摘要： PROBLEM TO BE SOLVED: To provide a slope stabilizing method capable of further enhancing the slope-stabilizing effect of linear elements connecting aligned anchors together. SOLUTION: A linear element mounting tool 14 having a plurality of short linear elements 13 linked to the periphery thereof is attached to each anchor 11. The anchors 11 are installed in an appropriate distribution on a slope. The short linear elements 13 of the linear element mounting tools 14 of the adjacent anchors 11 are connected together, either directly or via intermediate linear elements 24. When the linear element mounting tools 14 are lowered by turning the nut parts 21 of the linear element mounting tools 14, tensions are applied to the short linear elements 13 and the intermediate linear elements 24. Therefore, the linear elements between the anchors 11 connect the anchors 11 together by means of not only simple horizontal tensions but also downward tensions along the anchors, thus producing not only the effect of enhancing the proper function of the anchors 11 but also the effect of binding soil by causing the linear elements themselves to press the ground, leading to a good slope- stabilizing effect.

9. 发明专利

JPH09111761A BEARING PRESSURE METAL FITTING FOR STABILIZING SLOPE AND SLOPE STABILIZING METHOD 失效
公开(公告)号：JPH09111761A
公开(公告)日：1997-04-28
申请号：JP29354895
申请日：1995-10-17
申请人： NIPPON STEEL METAL PROD , RINGYO DOBOKU SHISETSU KENKYUS
发明人： IWASA NAOTO , MIZUHARA YOSHIYUKI , INOUE TAKAHITO
IPC分类号： E02D5/80 , E02D5/76 , E02D17/20
摘要： PROBLEM TO BE SOLVED: To facilitate a work at a site when a stabilization method for a slope is applied. SOLUTION: Bearing pressure metal fitting 10 is made of a steel, a short pipe 13 is securely erected on the central part of a ground touching plate 12, and leg plates 14 for reinforcement are arranged. The ground touching plate 12 has a through-hole 12a formed in a central part and through which a rock bolt 11 is inserted. The leg plate 14 has a notch part 14a, through which a wire 25 is inserted and which is formed in a contact part between the ground touching plate 12 and the short pipe 13. By penetrating the rock bolt 11 in a ground, the rock bolt is anchored on a foundation bedrock 15. The bearing pressure hardware 10 is fitted in the rock bolt 11, and by fastening by means of a nut 22, a ground support force (a bearing pressure) by the tension force of the rock bolt 11 is exerted on the bearing pressure metal fitting 10. Further, for example, arranged two bearing pressure metal fitting 10 are coupled together under tension by a wire 25 inserted through the notch part 14a. Through the tension coupling by the wire 25, a bedrock strength is increased and a wiring work therefor is facilitated.

10. 发明专利

JP2002173939A SLOPE STABILIZING METHOD AND SLOPE STABILIZING STRUCTURE 失效
公开(公告)号：JP2002173939A
公开(公告)日：2002-06-21
申请号：JP2000373514
申请日：2000-12-07
申请人： NIPPON STEEL METAL PROD , RINGYO DOBOKU SHISETSU KENKYUS
发明人： ICHIMURA MASAHIKO , IWASA NAOTO , KATO TAKAAKI , INOUE TAKAHITO
IPC分类号： E02D17/20
摘要： PROBLEM TO BE SOLVED: To improve slope stabilizing effect by increasing ground pressing action by a tension member. SOLUTION: In this slope stabilizing method, a plurality of anchors 11 are executed in an appropriate array in the slope, and a bearing plate 12 is mounted to the head of each anchor 11 and fastened to apply bearing pressure to the ground. The head parts of the anchors 11 are connected to each other by a tension member 13 such as a wire rope. A ground pressing member 27 is arranged on the lower side of the tension member 13 along the tension member 13, and a piece member 36 for lifting the intermediate part of the tension member 13 is provided on the ground pressing member 27. Downward force serving as the vertical component of tension of the tension member 13 is increased, and ground pressing action of pressing down the ground is increased by the downward force through the ground pressing member 27 to improve the slope stabilizing effect.

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