Study on stability of underground power house of
a hydropower station some station

KONG Xiang-fu; LI Jing-long; LI Jia-chun; WANG Gang

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Study on stability of underground power house of a hydropower station some station

更新时间：2026-06-25

- Study on stability of underground power house of a hydropower station some station
- Vol. 27, Issue S1, (2006)
- 作者机构：
  
  1. 长安大学,西安,710064
  2. 山东省交通规划设计院,济南,250031
  3. 山东大学岩土与结构工程研究中心,济南,250061
  4. 山东济南天勤置业有限公司,济南,250100
- 作者简介：
- 基金信息：
- DOI：
  CLC： TV698
- Online First：15 December 2006，
  
  Published：2006
- 稿件说明：
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KONG Xiang-fu, LI Jing-long, LI Jia-chun, et al. Study on stability of underground power house of a hydropower station some station[J]. 2006, 27(S1).
DOI：

KONG Xiang-fu, LI Jing-long, LI Jia-chun, et al. Study on stability of underground power house of a hydropower station some station[J]. 2006, 27(S1). DOI：

摘要

某抽水蓄能水电站地下厂房洞室群所处地带围岩为新鲜的混合花岗岩及少量后期侵入的岩脉，岩石坚硬完整。采用新奥法施工，安装埋设了大量的观测仪器，准确地反馈安全监测数据对保障施工安全有不可替代的作用。通过整理分析该水电站完整的变形监测资料，证明了开挖对围岩变形的影响不大，除个别断层外，施工期和运行期的地下厂房整体上是稳定的。另外，还对地下厂房进行了数值模拟，采用有限差分法对模型进行非线性弹塑性计算分析，准确地预测了围岩动态变化过程，得出了洞室围岩位移和应力的变化规律，并与监测结果进行了对比，可为类似地下工程围岩稳定性分析提供借鉴。

Abstract

The underground powerhouse of a hydropower station lies in stiff and integrate granite expensive some fault. A lot of monitor instruments are installed during construction

and much information are received from that. Based on the complete observation information of the pumped-storage station

the deformation data of the wall rock are studied. And then the conclusion is the underground power-house are steady in principle. At the same time，the numerical model of underground house is analyzed by using finite difference method. The changing law of displacements and stresses of rock-mass is studied and the dynamic changing process is forecasted truly. The displacements from computing and observing of some points in the rock are contrasted. All of those can offer the reference to other stability analyses of large underground power-houses.

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