REINFORCING CONSTRUCTION METHOD FOR TUNNEL LINING, USING SPRAYED CONCRETE MIXED WITH POLYOLEFIN SHORT FIBER
PROBLEM TO BE SOLVED: To reinforce tunnel lining with sprayed concrete mixed with polyolefin short fibers to give sufficient strength and prevent crack formation. SOLUTION: A reinforcing construction method for tunnel lining of reinforcing the tunnel lining by spraying concrete onto the inner wall s...
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Main Authors | , , , , , , , , , , , , , , , , , |
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Format | Patent |
Language | English |
Published |
28.12.2006
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Abstract | PROBLEM TO BE SOLVED: To reinforce tunnel lining with sprayed concrete mixed with polyolefin short fibers to give sufficient strength and prevent crack formation. SOLUTION: A reinforcing construction method for tunnel lining of reinforcing the tunnel lining by spraying concrete onto the inner wall surface of tunnel lining. The concrete is mixed with the polyolefin short fibers, which are stretched fibers mainly made of a polyolefin resin and have a sectional shape of approximate polygon having three to six protrusions, where recessions or projections are formed longitudinally of the fiber at the front end of each protrusion. COPYRIGHT: (C)2007,JPO&INPIT |
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AbstractList | PROBLEM TO BE SOLVED: To reinforce tunnel lining with sprayed concrete mixed with polyolefin short fibers to give sufficient strength and prevent crack formation. SOLUTION: A reinforcing construction method for tunnel lining of reinforcing the tunnel lining by spraying concrete onto the inner wall surface of tunnel lining. The concrete is mixed with the polyolefin short fibers, which are stretched fibers mainly made of a polyolefin resin and have a sectional shape of approximate polygon having three to six protrusions, where recessions or projections are formed longitudinally of the fiber at the front end of each protrusion. COPYRIGHT: (C)2007,JPO&INPIT |
Author | YASUDA YOSHINOBU SHINTANI TOSHINORI SHIMIZU YOICHIRO MATSUI KENICHI SHIINA TAKAYOSHI MINATO YASUHIRO MIMURA TOMOHIRO NONOME HIROSHI TAKAHASHI HIDEKI MASHITA HIDETO MATSUURA SEIJI ASAI ISAO ISHIMURA TOSHIAKI TANAKA TORU HAKOISHI YASUHIKO KODAMA MASABUMI NAITO YOSHIO KANAI SUSUMU |
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Snippet | PROBLEM TO BE SOLVED: To reinforce tunnel lining with sprayed concrete mixed with polyolefin short fibers to give sufficient strength and prevent crack... |
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SubjectTerms | APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS ARTIFICIAL STONE BRAIDING CEMENTS CERAMICS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE COTTON-WOOL EARTH DRILLING FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS FIXED CONSTRUCTIONS GALLERIES KNITTING LACE-MAKING LARGE UNDERGROUND CHAMBERS LIME, MAGNESIA MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL METALLURGY MINING NATURAL OR ARTIFICIAL THREADS OR FIBRES NON-WOVEN FABRICS REFRACTORIES SHAFTS SLAG SPINNING TEXTILES TREATMENT OF NATURAL STONE TRIMMINGS TUNNELS WADDING |
Title | REINFORCING CONSTRUCTION METHOD FOR TUNNEL LINING, USING SPRAYED CONCRETE MIXED WITH POLYOLEFIN SHORT FIBER |
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