Application of 3D laser point cloud data in the reconstruction of BIM model in existing underground civil defense engineering

doi:10.13474/j.cnki.11-2246.2019.0194

Abstract

Abstract:

The creation of BIM model is the first step to the application of the BIM technology. The common method of BIM model creation based on CAD drawing has the disadvantages of low modeling efficiency and terrible spatial performance. Taking the reconstruction of BIM model of an underground civil defense engineering as an example, and combining with 3D laser scanning technology, the BIM model reconstruction process based on 3D laser point cloud data is elaborated, mainly through the following steps. First using FARO Focus^3DX330 to obtain massive point cloud data. Then using FARO SCENE software to complete registration and splicing, filtering and denoising, texture and output. At last according to the differences in the geometric shapes and the functional characteristics of target objects, completing the BIM model reconstruction of linear class, component connection class, and single target class respectively by using Autodesk Revit. The research shows that the reconstruction of BIM model can be completed well by using 3D laser scanning technology, which has the prominent advantages of high modeling accuracy and good field reduction.

Key words: 3D laser scanning, point cloud data, underground civil defense engineering, BIM model

CLC Number:

P234.4

MIAO Yazhe, LI Shengbo, DENG Anzhong, LE Guan, DAI Zuoqiu. Application of 3D laser point cloud data in the reconstruction of BIM model in existing underground civil defense engineering[J]. 测绘通报, 2019, 0(6): 100-104.

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