【摘要】 不连续间距对岩体性质具有十分重要的意义。基于无限长测量线得到的岩体不连续间距的负幂指数分布是最重要的一种概率分布密度，为纠正因用有限长测量线而带来的不连续间距的分布误差，本文提出了一个封闭形式的修正函数。结果表明，该法可显著减少不连续间距的相对误差，从而可以采用较短的测量线来测量岩体的不连续间距。对降低测量成本也具有重要意义更多还原

【Abstract】 iscontinuity spacing in rockmass is very important for prediction of rock behaviour. The negative exponential probability distribution density of rock discontinuity spacing based on infinite length scanline measurement is the most important distribution function. A closedform function is proposed for correction of sampling base caused by finite length scanline in this paper. The result shows that the suggested method is quite effective in decreasing relative error percentage, this makes it possible to estimate discontinuity spacing of rockmase using short scanline. It is also of great importance for decreasing the measurement cost.更多还原