边坡地层建模方法剖析及一种新建模方法

Investigation of Stratum Modeling in Slope Stability Analysis and a New Modeling Method

在剖析现有边坡软件地层建模方法的基础上,结合岩土工程信息化的发展趋势,提出了基于钻孔信息的边坡地层建模方法.该方法在边坡地层建模时,先确定计算域范围,然后布置钻孔,再对相邻钻孔进行地层连线,最后采用多边形区域自动分割技术来形成初始边坡地层模型.该初始边坡地层模型可以方便地进行修改,以模拟人工支挡结构或地层处理等情况.对比示例表明该方法显著提高了边坡地层建模效率.

Based on the investigation of widely used slope software along with the development of information technology, a borehole information based stratum modeling method has been proposed. In this method, borehole information was introduced into a predefined slope profile. Utilizing an automatically subdividing algorithm of polygon, an initial slope stratum model was established, in which the slope profile was divided into a series of stratum regions by stratum lines. The initial slope stratum model can be updated conveniently to describe the retaining walls and stratum treatment. Examples show that the efficiency of stratum modeling has been improved remarkably.