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《Hongshui River》 2009-05
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Study of Prediction on Feedback Calculation of Excavated Monitor to Xiluodu Underground Powerhouse

HAN Rong-rong1,ZHANG Jian-hai1,ZHANG Xiao1,JIANG Feng2,LI Jie2,ZHANG En-bao2,HOU Pan2(1.State Key Laboratory of Hydraulics and Mountain River Engineering,Chengdu 610065;2.Chengdu Hydroelectric Investigation & Design Institute of CHECC,Chengdu 610072)  
Xiluodu underground powerhouse cavern group is large in scale,of which the main powerhouse and the transformer room are 28.4m and 25m in span respectively.Based on the relaxation coefficient function,a new calculation algorithm of the parametric regression of surrounding rocks is presented to simulate the disturbance and relaxation phenomena of surrounding rocks caused by excavation.Based on the above feedback analysis theory,the tracing feedback and prediction analysis of the staging excavation from the 1st to the 10th excavation are performed.After the parameter adjustment and feedback analysis of the 1st to the 10th excavation,the precision of prediction of the typical sections can reach a satisfactory level,and the method is proved to be applicable in actual construction.
【CateGory Index】: TV731.6;TV223
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Chinese Journal Full-text Database 6 Hits
1 SHAO Guan-hui1,LI Xiao-zhao1,2,ZHAO Xiao-bao1,2,LI Jia-qi1,JI Cheng-liang1 (1.School of Earth Sciences and Engineering,Nanjing University,Nanjing 210093,China;2.NJU-ECE Institute for Underground and Geoenvironment,Nanjing 210007,China);Development of Stability Criteria for Rock Mass Surrounding a Tunnel under Different Failure Modes[J];Journal of Disaster Prevention and Mitigation Engineering;2009-05
2 XIONG Zhaoping(College of Water Resources & Hydroeletric Engineering,Wuhan University,Wuhan 430072,China);Study on stability of underground chamber in tectonic stress field[J];Hubei Water Power;2009-03
3 XIE Jian-bing,ZHU He-ling,ZHOU Ke-ping,YANG Nian-ge,LONG Teng-teng(School of Resources and Safety Engineering,Hunan Key Lab of Mineral Resources Exploitation and Hazard Control for Deep Metal Mines,Central South University,Changsha 410083,Hunan,China);Structure Stability Criterion and Support Design Based on Mining Conditions Reconstruction[J];Mining and Metallurgical Engineering;2009-02
4 WAN Guo-rong(Guangxi Electric Power Industry Investigation Design and Research Institute,Nanning 530023);Back Calculation and Distribution Features Study of Ground Stress Field for Hydropower Project in Yunnan[J];Hongshui River;2009-05
5 LIU Guang-feng,LU Hong-jun1,HE Shun-li(CMOE Key Laboratory of Petroleum Engineering in China University of Petroleum,Beijing 102249,P.R.China;Petro China Changqing Oilfield Company1,Xi'an 710061,P.R.China);Application of Finite Element Analysis in Reservoir In-situ Stress Research[J];Science Technology and Engineering;2009-24
6 LU Ya-ping,YAN Tian-jun,PENG Xiao-yong,SHEN Yan-jun(China University of Geosciences,Wuhan 430074,China);Stability Analysis of the Surrounding Rock for Underground Powerhouse of a Certain Southwest Hydropower Station[J];Building Science;2010-03
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Chinese Journal Full-text Database 4 Hits
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