A general initial water penetration(seepage) fracture criterion for concrete is proposed to predict whether or not harmful water penetration(hydraulic fracturing),other than microcracking,will occur in concrete structures in a severe high water pressure environment.The final regression,of the different macroscopic failure types in concrete to microscopic ModeⅠ c racking,allows the use of only one universal criterion to indicate the damage.Thus,a general initial water penetration fracture criterion is approx...
【英文摘要】
A general initial water penetration(seepage) fracture criterion for concrete is proposed to predict whether or not harmful water penetration(hydraulic fracturing),other than microcracking,will occur in concrete structures in a severe high water pressure environment.The final regression,of the different macroscopic failure types in concrete to microscopic ModeⅠ c racking,allows the use of only one universal criterion to indicate the damage.Thus,a general initial water penetration fracture criterion is approx...
【基金】
supported by the National Basic Research Program of China (“973” Program) (Grant No 2007CB714104);
the National Natural Science Foundation of China (Grant Nos 51079045, 50779009 and 51008114)
【更新日期】
2011-05-25
【分类号】
TV431
【正文快照】
1 Introduction If severe localized macrocracking develops in concrete hy-draulic structures, it can lead to hydraulic fracturing, a process of propagation of fracture driven by the inner high pressure water,reducing the integral reliability of hydraulic p
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