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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Verification of sealing properties of membrane materials in terms of moisture propagation in underground construction
 Čanigová, Veronika ; Čermák,, Jan (referee) ; Šťastník, Stanislav (advisor)
This diploma thesis is aimed at verifying the properties of joints of waterproofing membranes generaly used in underground constructions and also deals with the possible addition of a swelling profile as a barrier to permeating water through the defect in the waterproofing system. The most commonly used materials for waterproofing membranes are polymers. The work is focused on verifying the properties of automatic and manual welding joints of polyvinylchloride membrane. In actual practice, there is a pressure test being used for automatic weldings, and for manual weldings there are tests with a tear-off needle and a vacuum bell. In the laboratory, it is also possible to verify the joints using a peeling test and determining the shear strength of the joint using a testing device. In case of damaged waterproofing system and soaking of pressurized water, it is possible to use a swellable strip as a barrier for the water leaking from one injection compartment to another. At the end of the thesis there is a comparison of the waterproofing system without the swelling profile and the system including its application. The swelling profile has shown very good properties with regard to the infiltration of the flowing water into its structure, and so the amount of water that could be applied to the sample with the swelling profile was much higher than in the case of the generaly used waterproofing system.
Detailed record
Verification of sealing properties of membrane materials in terms of moisture propagation in underground construction
 Čanigová, Veronika ; Čermák,, Jan (referee) ; Šťastník, Stanislav (advisor)
This diploma thesis is aimed at verifying the properties of joints of waterproofing membranes generaly used in underground constructions and also deals with the possible addition of a swelling profile as a barrier to permeating water through the defect in the waterproofing system. The most commonly used materials for waterproofing membranes are polymers. The work is focused on verifying the properties of automatic and manual welding joints of polyvinylchloride membrane. In actual practice, there is a pressure test being used for automatic weldings, and for manual weldings there are tests with a tear-off needle and a vacuum bell. In the laboratory, it is also possible to verify the joints using a peeling test and determining the shear strength of the joint using a testing device. In case of damaged waterproofing system and soaking of pressurized water, it is possible to use a swellable strip as a barrier for the water leaking from one injection compartment to another. At the end of the thesis there is a comparison of the waterproofing system without the swelling profile and the system including its application. The swelling profile has shown very good properties with regard to the infiltration of the flowing water into its structure, and so the amount of water that could be applied to the sample with the swelling profile was much higher than in the case of the generaly used waterproofing system.
Detailed record

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