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Establishing time-dependent model of deformation modulus caused by bedrock excavation rebound by inverse analysis method |
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| Authors: | WU ZhongRu GU YanChang GU ChongShi GUO HaiQing & SU HuaiZhi Hohai University Nanjing China National Engineering Research Center of Water Resources Efficient Utilization Engineering Safety Nanjing Hydraulic Research Institute Nanjing |
| Affiliation: | WU ZhongRu1,2,GU YanChang1,3,GU ChongShi1,GUO HaiQing1 & SU HuaiZhi1,2 1 Hohai University,Nanjing 210098,China,2 National Engineering Research Center of Water Resources Efficient Utilization , Engineering Safety,3 Nanjing Hydraulic Research Institute,Nanjing 210029 |
| Abstract: | Rock rebound relaxation deformation,or even rock burst,caused by the excavation of dam base and abutment or high rock slope affects their stability and results in the fall of mechanical properties of the rock.So an inverse analysis method was proposed in this paper to establish the time-dependent model of deformation modulus caused by excavation rebound.The basic principle is based on the combination of observed data of the excavation rebound deformation of dam abutment or rock slope,and the calculated rebo... |
| Keywords: | dam base rebound deformation modulus inverse analysis method time-dependent model Xiaowan Hydropower Station |
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