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Estimation Mean Trace Length of Rock Mass Discontinuities

机译：估计岩体不连续性的痕量长度

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摘要

Trace length is one of important indexes describing rock mass discontinuity quantificational. A method to estimate mean trace length is deduced, which is based on probability density function and the intersect frequency between trace and window. Taylor formula is introduced to simplify the formula firstly, and the error of different simplified degree is discussed. The result shows that cubic polynomial could meet the design requirement generally. Then abutment rock mass of an arch dam in Guizhou province is as an example, compared with mean trace lengths estimated and the measurement data, it shows that mean trace length estimated is slightly larger than the measurement mean value. The result explains the simplified calculate method is feasible. It has certain reference value to analyses and study complicated fractured rock mass.
机译：痕量长度是描述岩石质量不连续量化的重要指标之一。推导出估计平均迹线长度的方法，其基于概率密度函数和跟踪与窗口之间的交叉频率。引入泰勒公式以首先简化公式，讨论了不同简化程度的误差。结果表明，立方多项式通常可以满足设计要求。然后贵州省拱门大坝的基座岩石质量为一个例子，与平均迹线长度估计和测量数据相比，其表明估计的平均迹线长度略大于测量平均值。结果解释了简化的计算方法是可行的。它具有一定的参考价值来分析和研究复杂的骨折岩体。

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