Crystallization pressure of crystals in porous media

doi:10.11779/CJGE201906021

CORC > 兰州理工大学 > 兰州理工大学 > 土木工程学院

	Crystallization pressure of crystals in porous media
	Zhou, Feng-Xi 1,2; Ying, Sai 1,3; Cai, Yuan-Qiang 2
刊名	Yantu Gongcheng Xuebao/Chinese Journal of Geotechnical Engineering
	2019-06-01
卷号	41 期号:6 页码:1158-1163
关键词	Chemical potential Crystals Freezing Geotechnical engineering Pore size Porous materials Sodium chloride Sodium sulfate Supersaturation Crystallization pressure Freeze-thaw damage Freezing point Freezing temperatures Ion interactions Non-ideal solution Porous medium Theoretical derivations
ISSN号	10004548
DOI	10.11779/CJGE201906021
英文摘要	The pressure exerted by growing crystals of salts or water in porous materials is a major factor to induce deformation and freeze-thaw damage. Theoretical derivations for the crystallization pressure of salt crystals driven by supersaturation and ice crystals driven by temperatures are presented based on the chemical potentials of solutions and crystals, in which the ion interaction is taken into account. The models for the maximum crystallization pressure that the growing crystals in non-ideal solution exert on the pore walls are developed. The pressure from crystallization of salts and water as well as the freezing temperature for solutions of aqueous NaCl and Na2SO4 under different concentrations and temperatures are parametrically analyzed, respectively. The results show that for the salt crystals, the crystallization pressure is closely related to the ratio of supersaturation, solution activity and type of salt crystals; for the ice crystals, the crystallization pressure is related to the ambient temperature and solution activity. © 2019, Editorial Office of Chinese Journal of Geotechnical Engineering. All right reserved.
语种	中文
出版者	Chinese Society of Civil Engineering
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/114692]
专题	土木工程学院
作者单位	1.School of Civil Engineering, Lanzhou University of Technology, Lanzhou; 730050, China; 2.School of Civil Engineering and Architecture, Zhejiang University of Technology, Hangzhou; 310014, China; 3.Engineering Research Center for Health Monitoring in Building Life Cycle and Disaster Prevention, Yangtze Normal University, Chongqing; 408100, China
推荐引用方式 GB/T 7714	Zhou, Feng-Xi,Ying, Sai,Cai, Yuan-Qiang. Crystallization pressure of crystals in porous media[J]. Yantu Gongcheng Xuebao/Chinese Journal of Geotechnical Engineering,2019,41(6):1158-1163.
APA	Zhou, Feng-Xi,Ying, Sai,&Cai, Yuan-Qiang.(2019).Crystallization pressure of crystals in porous media.Yantu Gongcheng Xuebao/Chinese Journal of Geotechnical Engineering,41(6),1158-1163.
MLA	Zhou, Feng-Xi,et al."Crystallization pressure of crystals in porous media".Yantu Gongcheng Xuebao/Chinese Journal of Geotechnical Engineering 41.6(2019):1158-1163.