Water plugging film for tunnel construction shield

The utility model relates to a water plugging film for a tunnel construction shield, which comprises a composite water plugging film, the composite water plugging film is composed of a polypropylene compression-resistant film layer, a polyethylene base layer, a tensile layer and a polypropylene scra...

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Bibliographic Details
Main Authors LIU PENG, HE WEIGUO, SUN WEIDONG, LI HAO, XIAO ZHICAN, TIAN FENG, ZHAO DEJIE, LYU XIANFU, DU BAOYI, BI JINGDONG, FAN GUOGANG, LU HAIZHEN, ZHUANG PENGQIANG, ZHANG YIKUN
Format Patent
LanguageChinese
English
Published 31.12.2021
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Summary:The utility model relates to a water plugging film for a tunnel construction shield, which comprises a composite water plugging film, the composite water plugging film is composed of a polypropylene compression-resistant film layer, a polyethylene base layer, a tensile layer and a polypropylene scratch-resistant layer from top to bottom in sequence, and the tensile layer is formed by weaving Kevlar fibers; a rubber reinforcing strip is arranged on the polypropylene compression-resistant film layer, and a fastener used for being fixed with a tunnel rock mass is arranged on the rubber reinforcing strip; and a structural net is arranged around the peripheral edge of the composite water plugging film. The water plugging film for the tunnel shield construction is simple and reasonable in structural design, and has the advantages of being remarkable in sealing effect, resistant to corrosion acid and alkali, resistant to weather, not prone to damage and convenient to machine and produce. 本实用新型涉及一种隧道修建盾构用堵水膜，包括复合堵水膜，
Bibliography:Application Number: CN202120687435U