Method And Device For Covering And Waterproofing Joints In Hydraulic Works
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United States of America Patent
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Issued Date -
Mar 17, 2016
app pub date -
Apr 9, 2014
filing date -
Apr 9, 2013
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Abstract
A method and a device for covering and waterproofing joints between concrete members of hydraulic works, such as dams, canals, hydraulic galleries and reservoirs. A flexible cover strip including a flexible waterproofing membrane in elastomeric material having a first elastic modulus, and at least one flexible support layer in synthetic material having a second elastic modulus greater than the first elastic modulus for limiting deformation of the impermeable membrane, is straddled between the opposite concrete members, for example at vertical joints and/or at longitudinal joints of the hydraulic work. The support layer and the waterproofing membrane are transversely folded in a loop and laid down inside and/or outside the joint sealingly fastening the cover strip to the concrete members along the edges thereof. Movements between concrete members of the joint are compensated by a free extension of the folded cover strip.
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