| 溪洛渡地下厂房右岸第七级开挖监测反馈分析 |
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| 引用本文： | 韩荣荣,张建海,张肖,蒋锋,李杰.溪洛渡地下厂房右岸第七级开挖监测反馈分析[J].地下空间与工程学报,2010,6(3). |
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| 作者姓名： | 韩荣荣 张建海 张肖 蒋锋 李杰 |
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| 作者单位： | 1. 四川大学水力学与山区河流开发保护国家重点实验室,成都,610065
2. 中国水电顾问集团成都勘测设计研究院,成都,610072 |
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| 摘 要： | 溪洛渡水电站地下厂房洞室群规模巨大,其中主厂房、尾调室跨度分别达到28.4 m和25 m。通过引进洞周松弛系数函数,提出了新的地下洞室围岩参数反演的计算思路和方法。根据右岸施工现场第1-7级监测数据,对右岸典型剖面的监测资料进行了跟踪反馈及后期开挖预测预报分析,结果表明提出的自动反馈和预测系统可以综合分析现场多点位移计测值,有效实现洞周松弛圈模拟并进行洞周变位和塑性区分布的预测,为实际工程开挖加固提供了重要的参考依据。现有开挖与支护条件下溪洛渡水电站地下厂房围岩整体稳定性良好,加固处理措施有效。
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| 关 键 词： | 地下厂房 监测 反馈 预测 稳定性 |
Feedback Analysis of Excavation Monitoring to 7th Excavation at Right Bank of Xiluodu Underground Powerhouse |
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| Han Rongrong,Zhang Jianhai,Zhang Xiao,Jiang Feng,Li Jie.Feedback Analysis of Excavation Monitoring to 7th Excavation at Right Bank of Xiluodu Underground Powerhouse[J].Chinese Journal of Underground Space and Engineering,2010,6(3). |
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| Authors: | Han Rongrong Zhang Jianhai Zhang Xiao Jiang Feng Li Jie |
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| Affiliation: | Han Rongrong1,Zhang Jianhai1,Zhang Xiao1,Jiang Feng2,Li Jie2(1.State Key Laboratory of Hydraulics and Mountain River Engineering,Sichuan University,Chengdu 610065,China,2.Chengdu Hydroelectric Investigation & Design Institute of CHECC,Chengdu 610072,China) |
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| Abstract: | There is a huge scope of Xiluodu underground powerhouse cavern,the span of its main plant and the transformer room are 28.4m and 25m,respectively.Based on the relaxation coefficient function,a new calculation algorithm of the parametric regression of the surrounding rocks are presented.According to monitoring data of right bank construction site form 1st to 7th excavation,the tracing feedback and prediction analysis of the staging excavation of the right bank's typical sections are performed.The results sho... |
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| Keywords: | underground powerhouse monitoring feedback prediction stability |
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