Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Freeze-Deicer Salt Scaling Resistance of Concrete
A new organosilicone was adopted to improve the freeze-deicing salt resistance of cement concrete pavement. According to CDF test — Test method for the freeze-thaw resistance of concrete with sodium chloride solution, the deicer salt scaling resistance and microstructure of two kinds of concrete were investigated in this paper. The results show that after painted with the organosilicone, the scaled mass of two kinds of concrete in water-cement ratio (0.40, 0.32) were only 1% of those of concrete without organosilicone and all decreased 99% and the loss rate of dynamic elastic modulus of concrete with the organosilicone reduce by 32% – 42% of the control concrete after 56 freeze-thaw cycles. SEM observations demonstrated that the organosilicone distinctly decrease the formation of cubic NaCl crystals and microcracks inside concrete.
Freeze-Deicer Salt Scaling Resistance of Concrete
A new organosilicone was adopted to improve the freeze-deicing salt resistance of cement concrete pavement. According to CDF test — Test method for the freeze-thaw resistance of concrete with sodium chloride solution, the deicer salt scaling resistance and microstructure of two kinds of concrete were investigated in this paper. The results show that after painted with the organosilicone, the scaled mass of two kinds of concrete in water-cement ratio (0.40, 0.32) were only 1% of those of concrete without organosilicone and all decreased 99% and the loss rate of dynamic elastic modulus of concrete with the organosilicone reduce by 32% – 42% of the control concrete after 56 freeze-thaw cycles. SEM observations demonstrated that the organosilicone distinctly decrease the formation of cubic NaCl crystals and microcracks inside concrete.
Freeze-Deicer Salt Scaling Resistance of Concrete
Li, Zhonghua (Autor:in) / Su, Lin (Autor:in)
12th Biennial International Conference on Engineering, Construction, and Operations in Challenging Environments; and Fourth NASA/ARO/ASCE Workshop on Granular Materials in Lunar and Martian Exploration ; 2010 ; Honolulu, Hawaii, United States
Earth and Space 2010 ; 550-558
11.03.2010
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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