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1. 发明专利

JPH07207639A BEACH STABILIZING DEVICE 失效
公开(公告)号：JPH07207639A
公开(公告)日：1995-08-08
申请号：JP1882694
申请日：1994-01-20
申请人： UNYUSHO KOWAN GIJUTSU KENKYUSH , UNYUSHO DAINI KOWAN KENSETSUKY , NIPPON TETRAPOD CO , NIPPON STEEL METAL PROD
发明人： HITACHI SOSUKE , TSUGAWA AKIHIRO , KATO KAZUMASA , YANAGISHIMA SHINICHI , TANAKA NORIO , ASAKAWA TSUTOMU , NOGUCHI YUJI , MEGURO TAKESHI , IWASA NAOTO , HORI KENGO
IPC分类号： E02B3/00 , E02B3/04 , E02D3/08 , E02D3/10
摘要： PURPOSE:To efficiently drain wave going upstream and ground water by inclining a large number of drain structural bodies between the position above the position of wave going upstream and the required deep water position to bury and arrange them as surfaces. CONSTITUTION:A filter member 42 having permeability and preventing the incursion of sand 20 is stretched to the outside of a flat shaped main body 38 formed of a frame body, and drain structural bodies 30 forming a drain space 44 extended in the horizontal direction are provided to the inside thereof. After that, the drain structural bodies 30 are inclined between the proper position A above the position of wave going upstream in a beach 14 and the required deep water position B, and a large number of drain structural bodies 30 are connected to bury and arrange them as surfaces. Wave going upstream and ground water raising the water level in sandy soil of the beach 14 are discharged into the sea through the drain structural bodies 30, and the ground water level is lowered to stabilize the beach 14.

2. 发明专利

JPH0941342A STABILIZING STRUCTURE OF SEASHORE 失效
公开(公告)号：JPH0941342A
公开(公告)日：1997-02-10
申请号：JP19034495
申请日：1995-07-26
申请人： NIPPON STEEL METAL PROD , UNYUSHO DAINI KOWAN KENSETSUKY , UNYUSHO KOWAN GIJUTSU KENKYUSH , TETRA KK
发明人： KANAZAWA HIROSHI , HANADA KUNIYUKI , KATO KAZUMASA , YANAGISHIMA SHINICHI , TANAKA NORIO , TSUBUKI KAZUHIDE , NOGUCHI YUJI , TONYA JIYUNJI , IWASA NAOTO , HORI KENGO
IPC分类号： E02B3/04 , E02B3/12
摘要： PROBLEM TO BE SOLVED: To improve controllability of a laying work at a seashore by a method wherein a flexible bag body is filled with soil and gravels, serving as a filler and the bag body is combined with a cage frame body made of a steel. SOLUTION: A flexible bag body formed of a net made of synthetic resin is filled with a filler comprising one or two or more kinds of crushed stone, gravel, and soil and the flexible bag body is contained in a cage frame body made of a steel having rigidity. The cage frames are arranged in a direction crossing the beach line of a sand beach and a number of cage frame bodies are buried in a continuous or a discontinuous state. A reinforcement cage l is conveyed to a laying site in such a state that the coupling sides of a reinforcement net having six surfaces containing a cover are bendably coupled together by means of coils 4. After a bag body 3 conveyed in such a state to be previously filled with a filler 2 is placed on the reinforcement net being the bottom of the reinforcement cage 1, the bag body is coupled to a remaining five-face assembly and an upper surface cover is set to complete the reinforcement cage 1. Since fillers having different grain sizes are served as a filler, a water permeable bed suitable to a laying side is built.

3. 发明专利

JPH06173261A CONSTRUCTION METHOD FOR UNDERWATER STRUCTURE FOUNDATION AND FOUNDATION UNIT USED FOR THE CONSTRUCTION 失效
公开(公告)号：JPH06173261A
公开(公告)日：1994-06-21
申请号：JP35000892
申请日：1992-12-03
申请人： NIPPON TETRAPOD CO , NIPPON STEEL METAL PROD
发明人： TANAKA NORIO , WATANABE MITSUTAKA , HAYASAKA MASAAKI , MEGURO TAKESHI , IWASA NAOTO , HORI KENGO
IPC分类号： E02B3/08 , E02D15/10
摘要： PURPOSE:To construct a foundation for an underwater structure efficiently by placing a foundation unit, formed of a box-type frame body filled with filling material, on the underwater ground, then jetting a high pressure fluid from the corner bottom part to remove the bed, and sinking the foundation unit. CONSTITUTION:The suspension means of a crane 30 is fitted to the top part of a box-type frame body 20 to lift a foundation unit 10, and the fluid feed pipe 34 of a high pressure fluid generating feeder 32 is connected to the connecting coupler 26 of each column member 16. The crane 30 is then operated to place the foundation unit 10 on the underwater ground G, and the high pressure fluid generating feeder 32 is operated to jet a high pressure fluid from an opening part 28 or suck the underwater ground G so as to dig the bed on the bottom part lower side of the box-type frame body 20 and remove it. The crane 30 is further operated to sink the foundation unit 10 and install it in the specified position, and then the fluid feed pipe 34 is removed from the connecting coupler 26. Other foundation units 10 are successively sunk in the position adjacent to the foundation unit 10, thus constructing a foundation 36 for an underwater structure.

4. 发明专利

JPH0978581A CONSTRUCTION METHOD AND EXECUTION DEVICE FOR FOUNDATION OF UNDERWATER STRUCTURE 失效
公开(公告)号：JPH0978581A
公开(公告)日：1997-03-25
申请号：JP23517595
申请日：1995-09-13
申请人： NIPPON STEEL METAL PROD , TETRA KK
发明人： TONYA JIYUNJI , IWASA NAOTO , SATO KOICHIRO , TANAKA NORIO , HAYASAKA MASAAKI
IPC分类号： E02B3/08 , E02D15/10
摘要： PROBLEM TO BE SOLVED: To repeatedly use an execution device by making the execution device removable from a gabion sunk on the underwater ground. SOLUTION: An execution device 2 suspended from the crane of a work ship floating on the sea holds a reinforced cage 1 filled with a filler such as broken stones from above, air cylinders 20 are driven, and suspension hooks 19 are hooked on lifting slings 22 at the upper section of the reinforced cage 1. The reinforced cage 1 is suspended and lowered into the sea together with the execution device 2. The underwater ground is scoured to the planned depth by high-pressure air injection nozzles 10 and high-pressure water injection nozzles 9 at the lower end sections of the stanchions 4 of the execution device 2 while their injection angles are adjusted, then the air cylinders 20 are driven to remove the suspension hooks 19 from the lifting slings 22, and only the execution device 2 is lifted and recovered while the reinforced cage 1 is left on the underwater ground. The execution device 2 can be repeatedly used.

5. 发明专利

JPH0726534A STABILIZING METHOD OF UNDERWATER STRUCTURE 失效
公开(公告)号：JPH0726534A
公开(公告)日：1995-01-27
申请号：JP19529493
申请日：1993-07-13
申请人： NIPPON TETRAPOD CO
发明人： TANAKA NORIO
IPC分类号： E02B3/06 , E02B3/14
摘要： PURPOSE:To improve stability of underwater structure against wave and tidal current by coating the surface of the underwater structure formed by means of stacking members of concrete block material with a high specific gravity concrete block material. CONSTITUTION:A foundation 12 is formed on the sea bottom G with, for example, debris, miscellaneous stone or substitutional sand. A bank body 16 is formed by stacking up on the foundation 12 numerous entangled wave suppression concrete block 14 set to, for example, about 20 ton. Further an ordinary aggregate is used as a wave suppression concrete block 14 with its specific gravity set to, for example, about 2.3. The surface layer part 18 of the bank body 16 is coated with a high specific gravity suppression concrete block 20 of the same size as or smaller than the wave suppression concrete block 14. For example, the specific gravity thereof is set to 2.3 but no more than 4.0. Thus wave suppression concrete blocks 14, 20 entangle with each well and makes it possible to improve its stability.

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