岩体硬性结构面精测及量化处理

PRECISE MEASUREMENT AND QUANTIZATION ABOUT JOINTS OF ROCK MASSES

介绍了现场硬性结构面精测方法以及在精测资料基础上通过计算机来实现结构面间距、条数、迹长等基本要素的量化及可视化显示 ,分析了结构面基本要素获取过程中有关切割单元长度和切线间距的确定、结构面分布较少及存在大量缓倾结构面时结构面间距的计算等问题。针对这些问题 ,给出了解决方案。结合具体工程实际应用 ,获得了良好的效果。

The orientation, sets, spacing, amount, trace length and features of joints distributed randomly in rock masses are basic factors in classifying types of engineering rock masses. A kind of precise measuring method in the field on joints is introduced in the paper. Based on those measured data, quantitative analysis and presentation of spacing, amount, trace length and other basic features can be carried out on a computer. In addition , the influence of the unit length and the interval between parallel lines on those basic features and the calculation method of spacing where the joint amount is small or lots of low angle joints exist are both discussed. Good results have been achieved by using the above methods in project practice.