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《Sichuan Building Science》 2010-02
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Research development of the rock's damage theory

ZHANG Xueying1,2,RUAN Huaining1,JIA Caihong1,2(1.Geo-Technical Research Institute of Hehai Univ.,Nanjing 210098,China;2.Civil Engineering and Architecture Academy of Nanjing Institute of Technology,Nanjing 211167,China)  
This paper retrospect to the development of the rock's damage theory and introduce the main content.It also bats how to define the damage variable from micro-and macro-theory and discuss the advantage and disadvantage of the kinds of definitions.Following,introduce how to form equations of damage evolution.On the end,the research on the respect of damage constitutive equation is introduced.
【Fund】: 国家重点工程项目(2005805715);; 国家自然科学重点基金项目(50539090);; 南京工程学院科研基金项目(KXJ08121)
【CateGory Index】: TU452
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