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TBM Segment Gaskets

2026-05-27

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TBM Segment Gaskets

TBM Segment Gaskets are high-performance rubber seals installed between concrete segments to prevent water ingress and ensure the structural safety of underground tunnels.

（一）Primary Applications

Metro and Subway Tunnels: Sealing concrete segments in urban rapid transit networks.
Railway and Highway Tunnels: Ensuring water tightness in large-diameter underground transport links.
Utility and Cable Tunnels: Protecting underground power grids, water pipelines, and communication cables from moisture.
Underwater and Deep Drainage Tunnels: Providing high-pressure sealing for subsea, river-crossing, or deep sewage systems.
(二）Key Functions
Waterproofing & Leak Prevention : Blocks high-pressure groundwater from entering the tunnel, keeping the interior completely dry.
Load Compression & Stress Distribution : Cushions the contact between concrete segments, distributing the immense geological pressure evenly to prevent the concrete from cracking or chipping.
Long-term Durability & Age Resistance: Resists underground chemical corrosion, microbial attack, and aging to match the 100+ year design life of the tunnel.
Displacement Accomodation : Maintains an effective seal even when tunnel segments experience minor shifting, settlement, or thermal expansion/contraction.
Water-Swelling Capability ： Standard EPDM combined with hydrophilic rubber swells upon contact with water, creating a secondary defense line against stubborn leaks.

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Contact:Ms.Amy

Mobile: 86-19943495594

Telephone:0319-3252988

E-mail:contact@fmseal.com

Address:Yahu Industrial Zone, Weixian County, Hebei Province

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