基于间断线法的路基土方量计算方法研究

Study on calculation method of embankment earthwork based on intermittent line method

针对高速公路路基土方量计算工作量大、误差控制难的技术难题,以陕西省某高速公路工程为背景,研究了利用间断线法生成DTM模型的方法,通过道路设计数据和实际地形图的叠加,完成设计线路路基土方量的计算。研究结果表明,采用间断法来计算路基土方量的工作量相对较小,其计算结果与工程施工统计数据基本一致。

In view of the technical problems of heavy workload and difficulty in error control of roadbed earthwork,the method of generating DTM model with the method of disconnection is studied in the context of an expressway project in Shaanxi Province. Through the superposition of road design data and actual topographic map,the calculation of roadbed earthwork of design line is completed. The results show that the work of discontinuous method is relatively small,and the calculation results are basically consistent with the engineering construction data.