Effects of Deicing Salts on the Scaling Resistance of Concrete
作者： Zemei Wu , Caijun Shi , Peiwei Gao , Dehui Wang , Zhang Cao
DOI: 10.1061/(ASCE)MT.1943-5533.0001106
关键词:
摘要: AbstractThe scaling resistance of concrete with strength grades 30 MPa (C30) and 50 MPa (C50) subjected to different types (A B) concentrations (3, 5, 20%) deicing salt solution were studied using an accelerated freezing-thawing test. Deicing Salt A was composed about 80% sodium chloride 20% calcium chloride, B 70% 25% magnesium 5% chloride. The changes in strength, mass loss relative dynamic modulus elasticity examined during the testing. results showed that C50 better than C30. former could pass 160 cycles while latter only 95 cycles. Specimens largest deterioration when solution, smallest after 200 salts a higher percentage NaCl CaCl2 demonstrated more obvious effect on concrete. incorporation ...
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