oa Civil Engineering = Siviele Ingenieurswese - Surface joint sealants for low head water retaining structures
The effective sealing of joints in concrete structures subjected to low heads of water, such as canals and small off-channel balancing storage reservoirs, has developed into a mailer of gathering importance. This is so on account of steeply rising costs of supplying water to consumers. Pumping from storage to storage and conveying water through tunnel systems and long interlinking canals, with the more elaborate and expensive control works they have come to entail, has underlined the increasing need to ensure that seepage losses through open or inadequately sealed canal joints be minimized.
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