Railway expansion joint protection groove with efficient fire-resistant function
The utility model provides a railway expansion joint protection groove with an efficient fire-resistant function, and belongs to the technical field of railway construction. The railway expansion joint protection groove with the efficient fire-resistant function comprises a bridge part, a fire-resis...
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| creator | WANG YABIN ZHENG DONGWEI QI SHENGBIAO SONG ZE GAO RUYING CUI XIAOYUE ZHOU ZHIQI LI HE ZHAO XINYU SUN RUYANG JIA YIDING GUAN LEI WANG MINGMING ZHANG YUNFANG ZHAO CHANG REN HUI PEI LIU |
| description | The utility model provides a railway expansion joint protection groove with an efficient fire-resistant function, and belongs to the technical field of railway construction. The railway expansion joint protection groove with the efficient fire-resistant function comprises a bridge part, a fire-resistant assembly and a heat dissipation assembly, the two ends of a fire-resistant heat insulation groove are arranged on the upper surface of a first multi-layer flame-retardant pad, a single-layer flame-retardant pad is located below the fire-resistant heat insulation groove, and a second multi-layer flame-retardant pad is arranged below the single-layer flame-retardant pad. The second multi-layer flame-retardant pad is located in the expansion joint, and the fireproof heat insulation groove, the single-layer flame-retardant pad and the second multi-layer flame-retardant pad are jointly provided with interior angle bolts. The heat dissipation assembly is arranged on the outer side of the fireproof heat insulation gr |
| format | Patent |
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The railway expansion joint protection groove with the efficient fire-resistant function comprises a bridge part, a fire-resistant assembly and a heat dissipation assembly, the two ends of a fire-resistant heat insulation groove are arranged on the upper surface of a first multi-layer flame-retardant pad, a single-layer flame-retardant pad is located below the fire-resistant heat insulation groove, and a second multi-layer flame-retardant pad is arranged below the single-layer flame-retardant pad. The second multi-layer flame-retardant pad is located in the expansion joint, and the fireproof heat insulation groove, the single-layer flame-retardant pad and the second multi-layer flame-retardant pad are jointly provided with interior angle bolts. 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| subjects | ASSEMBLY OF BRIDGES CONSTRUCTION OF BRIDGES CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY FIRE-FIGHTING FIXED CONSTRUCTIONS GENERATION HUMAN NECESSITIES INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES LIFE-SAVING OR VIADUCTS |
| title | Railway expansion joint protection groove with efficient fire-resistant function |
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