三维重建技术在拆除爆破中的应用

随着工程爆破行业迈向精细爆破时代,工程技术融合发展极大地推动了爆破技术的数字化、标准化、可视化。影像获取方式的多元化发展,推动了爆破技术的进步。以武汉市原新能酒店爆破拆除工程为案例,采用无人机等载体搭载相关测量设备,对爆破区域进行影像数据扫描,获取区间的影像数据,并通过三维重建软件进行后处理,快速获取爆破区域内的三维影像信息。实践证明:三维重建技术能够在爆破前为爆破工程的设计、施工和安全防护等方案确定提供必要的信息支撑;在爆破后,数字化重现爆破效果,实现对爆堆各项参数的定量分析,从而多角度、全方位地评估爆破质量。采集的影像数据经过适当处理后还可作为档案长期保存,为后续相关爆破工程提供有效参考。

Application of Three Dimensional Reconstruction in Blasting Engineering

With the development of Precision Blasting in blasting industry,the blasting technology has developed rapidly with an obvious tendency characterized by digitization,standardization and visualization.The pluralistic devel-opment of image acquisition mode promotes the advancement of blasting technology.Taking blasting demolition of Xinneng hotel as an example,the UAV aerial image-based three dimensional(3D)reconstruction technology was a-dopted.The images of the construction area was captured instantly by the high-speed camera,and then reconstructed by 3D model realistically in subsequent post-processing.The practice shows that in preliminary stage,the 3D recon-struction model provides necessary information for the project design,implementation and safety protection,while this model digitalizes the muck pile efficiently and avaluates the blasting effect quantitatively.Furthermore,by means of appropriate treatments,the image data can be preserved and provide valuable references for the similar blasting pro-jects.