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    • 3. 发明专利
    • PAVEMENT REINFORCING METHOD AND REINFORCING MATERIAL
    • JPH06346405A
    • 1994-12-20
    • JP16335393
    • 1993-06-08
    • TOKYU KENSETSU KK
    • TSUJI YOSHINOBUMURAMATSU EIJIRO
    • E01C7/18E01C11/16
    • PURPOSE:To prevent the generation of cracks by laying out a reinforcing material bonded with a heat fusion coating material on both sides of a cloth-like core material having a tensile strength between an asphalt preceding pavement and a succeeding pavement and integrating the reinforcing material with the asphalt. CONSTITUTION:Sheet materials 41 and 42, such as polyethylene, polyurethane and soft polyvinyl chloride which are melted with the heat of asphalt are bonded with both sides of a sheet-like core material 20 which comprises aromatic polyamide fibers, glass fibers and carbon fibers with a bonding agent which comprises an asphalt emulsion, thereby forming a reinforcing material 10. Then, the reinforcing material 10 is laid out on the preceding asphalt pavement and paved thereon succeedingly and pressed with a roller, thereby finishing the pavement work. During the pavement work, the coating materials 41 and 42 are melted with the heat of asphalt so that the reinforcing material 10 may be integrated with the asphalt. This construction method makes it possible to enhance construction efficiency and prevent the asphalt from being cracked.
    • 5. 发明专利
    • DRAIN MATERIAL AND ANCHOR PLATE FOR DRAIN MATERIAL
    • JPH0434112A
    • 1992-02-05
    • JP13847090
    • 1990-05-30
    • TOKYU KENSETSU KK
    • MURAMATSU EIJIROOKAMOTO MASAHIROTSUJI YOSHINOBU
    • E02D3/10
    • PURPOSE:To easily fix the end of a drain material into the ground by mutually bendably connecting the longitudinal edge parts of permeable blades so that they can be radially developed, and mounting an elastic plate to an anchor plate in the direction orthogonal to the lower end of the blade. CONSTITUTION:A permeable blade 1 is formed of a core material 11 and a cover material 12 enclosing the circumference thereof, and recessed parts and protruding parts are formed in the longitudinal direction to ensure water passages 11a. A bending edge 3 is provided on one longitudinal edge part of the blade 1, and a plural number of the blades 1 are radially arranged to form a drain material having a cross section. Then, on the lower ends of the drain materials 1, a plate 5 having a plural number of branch plates 51 disposed on the same plane in the state radially developed from the center is mounted. Its outer part is protected by an outer cylinder 4, and in the cylinder inner part, the drain material is pushed into the ground by a cross mandrel having a cross-shaped inner cylinder 42 received therein, and when the end of the drain material is exposed from the lower end of the inner cylinder 42, its end and the mounting plate 52 are seamed and integrally fixed to each other.
    • 6. 发明专利
    • CONSTRUCTING UNDERGROUND INFILTRATION DEVICE
    • JPH02225735A
    • 1990-09-07
    • JP4489689
    • 1989-02-23
    • TOKYU KENSETSU KK
    • NAMATAME TAKESHITSUJI YOSHINOBU
    • E03F1/00E03F5/10
    • PURPOSE:To make easy infiltration of water possible by constructing an infiltration tank by alternating execution of ground excavation and assembling of ring bodies, and by installing a sedimentation tank thereon and a water- permeable pipe body. CONSTITUTION:A collecting pipe 15, communication with an aboveground collecting valve, is installed to a sedimentation tank 1. An infiltration tank 2 is made from liner plates 21 and crushed stones 27 and coarse sand 28 are provided therein and laid respectively in the upper layer and in the lower layer. The liner plate 21 is made from a water-permeable drain plate 22, which is superimposed over a corrugated plate 23 and is bent together toward the corrugated plate-side into circular arc, and weep holes 24 and a joining frame 26 are provided to the corrugated plate. To a filtering pipe, a band 31 for fixing the pipe to a floor board 11 and a filtering cloth 32 are provided. In installing the device, a water-permeable sheet is stretched over the natural ground. Then a ring is constructed of a number of the liner plates 21 that are assembled together, and the infiltration tank is installed by the inverted lining method. Thereby clogging and breakdown at the infiltration surface of the natural ground can be prevented.
    • 9. 发明专利
    • DRAINAGE MATERIAL
    • JPH03156020A
    • 1991-07-04
    • JP29363089
    • 1989-11-11
    • TOKYU KENSETSU KKASAHI CHEMICAL IND
    • MURAMATSU EIJIROTSUJI YOSHINOBUKOMORI HIROSHI
    • E02B11/00E02D3/00E02D3/10
    • PURPOSE:To improve drainage effect economically and uniformly by forming the title material of a belt-like drainage base material with projections and recesses forming spaces for water passage provided alternately and continuously and a filtering material equipped with supplementary filters that are extendedly provided on both sides of the base material. CONSTITUTION:To a drainage base material 1 made of materials including hard thermoplastic synthetic resin or the like as a principal ingredient, projections and recesses 1a are formed alternately and continuously in belt shapes. The projections-and-recesses-bearing drainage base material 1 is wrapped with hydrophilic filters 2, treated with surface active agent, having high filtering function, and extended parts 2a on both sides of the drainage base material 1 are also wrapped with supplementary filters. Then a plurality of the drainage materials are arranged with adjoining extended parts 2a of the filtering materials overlapped each other. Thereby drainage effect can be improved economically and uniformly with restrained use of the drainage base materials 1.