路基曲线段土方计算偏差分析及修正

Analysis and Revision on Calculation Deviation of Earthwork in Curved Section of Roadbed

公路项目中路基土方通常采用断面法,但对不规则线形段如曲线、互通内等特殊工点,采用常规断面法计算土方会出现较大偏差,给工程造成争议甚至损失,结合高速公路项目中实例,对曲线段路基土方计算的偏差原因及修正算法进行了分析,可供类似问题提供参考。

The section method is usually used for the roadbed earthwork of highway project. But for the special constructing points of the irregular alignments, i.e. curve and interchange, the conventional section method will have the greater deviation to calculate the earthwork, and will bring the dispute or even loss to the projects. Combined with the cases in expressway projects, the article analyzes the deviation causes and revision arithmetic of roadbed earthwork calculation of curved section, which can be referenced for the similar projects.