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《CHINESE JOURNAL OF ROCK MECHANICS AND ENGINEERING》 1997-03
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TIME DEPENDENT BEHAVIOURS OF STRENGTH AND ELASTICITY MODULUS OF WEAK ROCK

Xu Hongfa (Nanjing Engineering Institute, Nanjing 210007)  
Based on the creep test of uniaxial compression for weak rock, the time dependent behaviours of strength and elasticity modulus of weak rock are discussed in this paper. Both strength and elasticity modulus of weak rock are the functions of time, and their changing law with time is similar-they are descreased with time. At last, time dependent behaviour of rock damage is analyzed, and the long term strength and the long term damage are put forward.
【CateGory Index】: P55
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