TOP LAYER COMPOSITE MATERIAL IN TUNNEL COMPOSITE FACE LAYER AND METHOD FOR MANUFACTURING THE SAME

• Main Authors: LI CHANGLIANG, XIAO JUNLIAN, LI FENG, ZUO XIAOHONG, WEI XIUPO, WANG KAI, DENG QIN, ZHENG RUNZE, LIU ZHANGANG, ZHAO SHAOJUN, HE XI, LIU YONGJIE, SONG BO, GU JIE, WANG HUI, KONG LINGHUI
• Format: Patent
• Language: English; Japanese
• Published: 19.12.2023
• Subjects: ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE; FIXED CONSTRUCTIONS; LIME, MAGNESIA; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR; METALLURGY; REFRACTORIES; SLAG; TREATMENT OF NATURAL STONE

To provide a top layer composite material in a composite face layer of a tunnel and a method for manufacturing the same.SOLUTION: There are provided an upper surface layer composite material in a composite surface layer of a tunnel comprising, by wt.%, 4 to 7 parts of an SBS modified asphalt, 70 to 90 parts of a coarse aggregate, 10 to 15 parts of a fine aggregate, 6 to 10 parts of an ore powder, 1 to 3 parts of cement, 0.2 to 0.5 part of composite fiber, 8 to 12 parts of a flame retardant, 0.5 to 1 part of a peeling inhibitor, and 0.3 to 0.6 part of a surfactant, and a method for producing the same.EFFECT: The upper surface layer composite material in the composite surface layer of the tunnel of the present invention is an asphalt composite, which has better compatibility among the raw materials in the asphalt composite of the present invention, is easy to disperse, not only has better flame-retardant performance, but also has better road surface performance, and effectively prolongs the service life of the road surface.SELECTED DRAWING: None 【課題】トンネルの複合面層における上面層合材及びその製造方法を提供する。【解決手段】重量％として、ＳＢＳ改質アスファルト４～７部と、粗骨材７０～９０部と、細骨材１０～１５部と、鉱石粉６～１０部と、セメント１～３部と、複合繊維０．２～０．５部と、難燃剤８～１２部と、剥離防止剤０．５～１部と、界面活性剤０．３～０．６部とを含むトンネルの複合面層における上面層合材及びその製造方法。【効果】本発明のトンネルの複合面層における上面層合材はアスファルト合材であり、本発明のアスファルト合材における各原料の間により良好な相溶性を有し、分散しやすく、より良好な難燃性能を有するだけでなく、より良好な路面性能を有し、路面の耐用年数を効果的に延長させる。【選択図】なし