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	Influence of freezing rate on cryo-damage of cementitious material
	Li, Ke-fei ; Zeng, Qiang
	2010-10-12 ; 2010-10-12
关键词	Freezing rate Deformation Crystallization pressure Damage CRYSTALLIZATION CONCRETE SUCTION PORES Engineering, Multidisciplinary Multidisciplinary Sciences Physics, Applied
中文摘要	We report an experimental investigation on the impact of the freezing rate on the cryo-deformation and cryo-damage of cementitious materials. Saturated, dried and air-entrained mortar specimens are subjected to laboratory freeze-thaw cycles under three freezing rates without moisture exchange with the environment. In addition to basic mechanical properties and pore distribution, the measurement is also effectuated for freezing expansion, residual deformation of the specimens in each cycle. From the results it is observed that a high freezing rate does augment the freezing expansion of material while the cryo-damage is more important for a low freezing rate. Accordingly, both the freezing rate and freezing duration should be taken into account for the cyro-damage extent of cementitious materials.
语种	英语 ; 英语
出版者	ZHEJIANG UNIV ; HANGZHOU ; EDITORIAL BOARD, 20 YUGU RD, HANGZHOU, 310027, PEOPLES R CHINA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/82102]
专题	清华大学
推荐引用方式 GB/T 7714	Li, Ke-fei,Zeng, Qiang. Influence of freezing rate on cryo-damage of cementitious material[J],2010, 2010.
APA	Li, Ke-fei,&Zeng, Qiang.(2010).Influence of freezing rate on cryo-damage of cementitious material..
MLA	Li, Ke-fei,et al."Influence of freezing rate on cryo-damage of cementitious material".(2010).

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