A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Newly Developed Adhesive Strength Test for Measuring the Strength of Sealant between Joints of Concrete Pavement
A new adhesive strength test (AST) was developed to determine the adhesive strength of joint sealant. A series of sealant thicknesses, displacement rates, and curing times was tested to determine proper AST testing parameters using self-leveling (SL) and non-self-leveling (NS) silicone sealants. A series of tests was conducted under varying moisture conditions. The results appeared to indicate that moisture may reduce adhesive strength. Drying-time tests were conducted to determine the approximate appropriate wait time between joint washing and sealant installation for 3.2 mm () and 9.5 mm () joints. A series of tests was also conducted on artificially aged sealants, which appeared to indicate that oven aging reduces adhesive strength for SL sealant. Non-self-leveling sealant, on the other hand, appeared to be largely unaffected by oven aging. Hot-water aging and freeze-thaw aging appeared to reduce adhesive strengths for both sealant mixtures.
Newly Developed Adhesive Strength Test for Measuring the Strength of Sealant between Joints of Concrete Pavement
A new adhesive strength test (AST) was developed to determine the adhesive strength of joint sealant. A series of sealant thicknesses, displacement rates, and curing times was tested to determine proper AST testing parameters using self-leveling (SL) and non-self-leveling (NS) silicone sealants. A series of tests was conducted under varying moisture conditions. The results appeared to indicate that moisture may reduce adhesive strength. Drying-time tests were conducted to determine the approximate appropriate wait time between joint washing and sealant installation for 3.2 mm () and 9.5 mm () joints. A series of tests was also conducted on artificially aged sealants, which appeared to indicate that oven aging reduces adhesive strength for SL sealant. Non-self-leveling sealant, on the other hand, appeared to be largely unaffected by oven aging. Hot-water aging and freeze-thaw aging appeared to reduce adhesive strengths for both sealant mixtures.
Newly Developed Adhesive Strength Test for Measuring the Strength of Sealant between Joints of Concrete Pavement
Li, Qiang (author) / Crowley, Raphael W. (author) / Bloomquist, David B. (author) / Roque, Reynaldo (author)
2014-01-06
Article (Journal)
Electronic Resource
Unknown
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