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عمران::
نمای درز
Malfunction of a sealant under conditions of stress consists of a tensile failure within the sealant or its connection to the joint face.
In the case of preformed sealants that are intended to be always in compression, malfunctioning usually results in failure to generate sufficient contact pressure with the joint faces.
Install seal straight, lubricate joint faces and also to prevent breaks avoid stretching
Adhesion (bond to Cohesion (internal Impact spall if concrete joint face) failure rup ture) failure is weak
Failure in case (3) above would however be by loss of contact with joint faces when seal passes out of compression.
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