| 范留明,黄润秋,丁秀美.侧裂结构面迹长估计方法研究[J].水利学报,2002,33(1):0023-0028 |
| 侧裂结构面迹长估计方法研究 |
| Study on algorithm of trace length estimation for discontinuities for sideslip surface |
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| DOI： |
| 中文关键词: 侧裂面 侧裂结构面 迹长估计 广义H-H算法 |
| 英文关键词: sideslip surface discontinuities for sideslip trace length estimation generalized H-H algorithm |
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| 中文摘要: |
| 侧裂面是控制拱坝抗滑稳定的重要力学边界之一，可能构成侧裂面的陡倾结构面称为侧裂结构面。如果侧裂结构面为随机基体裂缝，那么其迹长估计就是侧裂面边界条件分析中的一项重要内容。作者在分析H-H、Laslett和2L0.5三种迹长估计方法的基础上，综合确定模型方法和概率模型方法，提出了一种适用于侧裂结构面迹长估计的新方法——广义H-H迹长估计算法。并利用此方法对西南某大型水电站工程侧裂结构面迹长进行了研究，证明了该方法的正确性。 |
| 英文摘要: |
| Sideslip surface is one of the important mechanical boundaries that control the arch dam stability against sliding.Those steep discontinuities constituting sideslip surface are called discontinuities for sideslip surface.In order to analyze the boundary conditions of sideslip surface,it is necessary that trace length of discontinuities for sideslip surface should be studied if they are random jointed.In this paper,several conventional methods for trace length estimation,such as H-H algorthm,Laslett algorithm,2L0.5 algorithm,etc,are studied first.On this basis,a new algorithm,generalized H-H algorithm of trace length estimation,is established according to probability methods and assured methods.It is successfully applied to trace length estimation of discontinuities for sideslip surface in a hydro project. |
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