Chemical attack-resistant, liquid-tight lining
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United States of America Patent
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Jan 24, 1989
Grant Date -
N/A
app pub date -
Jun 4, 1987
filing date -
Jun 23, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A liquid-tight lining which is resistant to chemical attack for catch reservoirs, containers or the like of concrete. The lining includes a continuous liquid-tight impervious layer provided above the surface of the concrete. To make possible a simple and safe and repeatable testing of the tightness of the lining, a porous intermediate layer is provided between the concrete and the impervious layer. At least one sensor cable having at least two conductors is placed in the intermediate layer in such a pattern that any location of the intermediate layer is not more than a certain maximum distance away from the cable. The sensor cable is connectible to an electrical monitoring unit.
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