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Corrugation 68mm x 13mm

Corrugation 76mm x 25mm

Corrugation 150mm x 50mm

Corrugation 300mm x 110mm

Corrugation 380mm x 140mm

Corrugation 200mm x 55mm

Corrugation 400mm x 150mm

Corrugation 75mm x 25mm

Corrugation 125mm x 25mm

Corrugation 68mm x 13mm

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Tunnel liner plate

Tunnel Liner Plate is a segmented corrugated steel plate system designed specifically for lining soft ground tunnels and relining existing conduits under highways and railroads.

Individual plates weigh between 15 and 41 kg – light enough to carry by hand into a confined space. Plates are assembled into continuous rings, advancing tunnels in 500 mm long segments.

Tunnel Liner Plates can be completely assembled from inside the tunnel and grouted at regular intervals. As the tunnel progresses, the liner plate continually generates ring support, providing a safe launch region for workers and equipment to advance.


Hengshui Yitong Pipe Industry Co.,Ltd.
Address: Hegang Road, Wuyi Circle Economic Zong, Hengshui City, Hebei Province, China
Tel: + 86 318 5876 109
Fax: +86 318 5876 111

Mobile: +86 186 0318 8333

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