Tunnel Sealing Method with Waterproofed PVC Sheets

by Antonio Peduzzi, Pres. of Administrative Board; Isomat-Bau AG, Zurich, Switzerland,


Serial Information: Journal of the Construction Division, 1977, Vol. 103, Issue 1, Pg. 1-6


Document Type: Journal Paper

Discussion: Perkins Philip H. (See full record)
Closure: (See full record)

Abstract: A modern method of tunnel sealing with plastic waterproof polyvinyl chloride sheets for tunnels and all kinds of underground constructions is presented. Using the heating wedge manual tool, butt joints and double seams are welded together thermally and homogeneously. This procedure is of great advantage, both technically and economically, as the output of the welding works of the plastic waterproof sheets of polyvinyl chloride is greatly increased.

Subject Headings: Tunnels | Sheets | Sealing | Plastics | Chloride | Underground construction | Underground structures

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