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传统颗粒分析因难于对巨粒组进行筛分测试,而忽略了其对岩土物理参数的影响。该研究应用数字化三维激光扫描技术,增加巨粒组的颗粒分析。通过数据采集、点云数据配准、噪音点去除和颗粒轮廓提取获得某堆积物地表数据。并结合室内颗粒分析结果绘制全颗粒累计曲线。与传统累计曲线比较,该曲线不均匀系数变大,级配变好,孔隙度和渗透性发生变化。
Traditional particle analysis is difficult to sieve the giant group of tests, while ignoring its impact on the physical parameters of rock and soil. The research uses digital 3D laser scanning technology to increase the particle analysis of the gigantic group. Through the data acquisition, point cloud data registration, noise point removal and particle contour extraction to obtain a surface data of the deposit. Combined with indoor particle analysis results, the whole particle cumulative curve is drawn. Compared with the traditional cumulative curve, the non-uniform coefficient of the curve becomes larger, the gradation becomes better, and the porosity and permeability change.