TY - A2的刘Hexu盟——秦Guocheng盟——周阴非盟-胡,开心网非盟-汉,该盟——应Chunli PY - 2021 DA - 2021/01/08 TI -自动重建参数BIM桥梁基于地面激光扫描数据SP - 8899323六世- 2021 AB -工业化桥梁施工的建筑信息模型(BIM)通常是基于初步设计信息执行。差异之间存在的模型结构和其实际几何尺寸和功能由于制造、运输、起重、组装、和承重的结构。这些变化影响建设项目交接和设施管理。目前可用的解决方案需要使用点云重建荡妇。然而,这些解决方案仍然遇到问题,如无法获得快速而准确的实际桥梁的几何特性。此外,创建的BIM非参数,不能动态调整。提出了一种全自动的方法重构参数化BIM利用点云来解决上述问题。一个桥点云分割算法开发;该算法可以从整个独立的桥点云点云扫描场景和片段单元结构。桥的另一个算法提取几何特征点云也提出; this algorithm is effective for partially missing point clouds. The feasibility of the proposed method is evaluated and verified using theoretical and actual bridge point clouds, respectively. The reconstruction quality of BIM is also evaluated visually and quantitatively, and the results show that the reconstructed BIM is accurate and reliable. SN - 1687-8086 UR - https://doi.org/10.1155/2021/8899323 DO - 10.1155/2021/8899323 JF - Advances in Civil Engineering PB - Hindawi KW - ER -