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August 2015
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Beschreibung:
The “Principles of tunnel waterproofing execution and inspection“ incorporating the knowledge base of the 1980s, were encapsulated in the 1988 road research volume 365, which was issued by the then Federal Ministry of Economic Affairs. The requirements it contained for the substrates and waterproofing materials, together with the relevant inspections, were for many years the basis for the design and execution of tunnel waterproofing, including far beyond Austria’s borders.
New knowledge and further technical developments, including those developed with the latest European Standards, provided the impetus in 2007 for the ÖBV Concrete in Tunnelling working group to revisit the subject of tunnel waterproofing.
This directive covers waterproofing systems for both the closed and cut-and-cover construction methods for tunnels, with and without water pressure, including the requirements for the various components, their installation and quality control. Particular attention is given to joint design. Repairs and some specialised construction methods are also described in brief.
