建筑结构安全检测

我们通过对三维激光扫描技术的测量工艺流程和变形监测的试验研究，对重要结构物的长期监测或定期检测，结构功能改变或改造前的鉴定等，探索三维激光扫描技术在变形监测领域的理论方法。特别在地震等灾后过后，需要对大型桥梁、重要建筑物、核反应堆结构等的损伤评估。

例如，将扫描得到的建筑物前后两期点云数据进行对比分析。用一组等间距的横向或纵向的截面截取两个扫描面．得到相同位置处两个扫描面之间点云的位移。即可将其视为两个时期的变形量。根据需求控制截面的间距，可得到密度不同的结果。将世贸大厦编辑后的相邻两期离散点云数据叠加在一起，用上述方法进行比对后，得到变形量的统计结果。

图：变形监测

Application

Building and engin

City planning Digital City Tunnel engineering Highway acceptance Settlement monitoring Building structure safety inspection Urban disaster analysis Bridge reconstruction railway construction Airport and port

Cultural heritage

Ancient architecture protection Site excavation protection Paleontological record Digital Museum

Geological and sci

Terrain Surveying Landslide monitoring Mining operation Forest green quantity

Electricity and wa

Substation Power line inspection Reservoir and dam

Manufacturing and

Plant facilities Detection and reverse engineering Aviation and shipbuilding

Public security ap

Traffic accident Crime scene