Application of multi-technology integration supporting construction project approval optimization

doi:10.13474/j.cnki.11-2246.2025.0625

Abstract

Abstract: Construction project planning and management surveying usually adopts the operation mode of RTK and total station,the surveying and mapping data production efficiency is low,the results are not intuitive and the utilization rate is low.This paper takes a project in Guangzhou as an example to explore the support and application of UAV oblique photography,3D laser scanning and BIM modeling technology to optimize the reform of examination and approval.UAV oblique photography can efficiently complete 1∶500 topographic map measurement through multi-angle air-based observation,generate high-precision orthophoto maps and real-life 3D models,and use BIM to build a 3D model,through the application of BIM measuring instrument,the visual lofting is realized.Based on the laser point cloud data,the 3D model of BIM completion is generated and compared with the 3D model of BIM construction,support the acceptance examination and approval with high efficiency.The experimental results show that the method of multi-technology fusion can meet the requirements of examination and approval reform and has significant application value.

Key words: oblique photogrammetry, 3D laser scanning, BIM modeling, examination and approval system reform

CLC Number:

MA Li, LI Xiao, ZHANG Chi, YANG Guang. Application of multi-technology integration supporting construction project approval optimization[J]. Bulletin of Surveying and Mapping, 2025, 0(6): 147-150,167.

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