Methods and comparative analysis of tunnel structure section measuring

doi:10.13474/j.cnki.11-2246.2019.0374

Abstract

Abstract: The purpose of tunnel section measurement is to accurately measure the actual contour of the tunnel excavation and compare it with the design contour to calculate the over-underage. Section measurement according to the different instruments used, there are mainly cross-section method, total station method and 3D laser scanner method. This paper compares the working efficiency and measurement accuracy of these three methods, and draws some useful results in conclusion.

Key words: 3D laser scanning technology, total station profiler, tunnel section, overbreak-shortbreak

CLC Number:

P208

YANG Zhijian. Methods and comparative analysis of tunnel structure section measuring[J]. Bulletin of Surveying and Mapping, 2019, 0(11): 160-162.

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Methods and comparative analysis of tunnel structure section measuring

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