Analysis of Underground Space Azimuth Measuring and Data Processing in a Tunnel

Tao Wang; Hu Rong Duan; Liu Tao Jiang; Shun Liu

doi:10.4028/www.scientific.net/AMM.580-583.2828

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 580-583Analysis of Underground Space Azimuth Measuring...

Analysis of Underground Space Azimuth Measuring and Data Processing in a Tunnel

Abstract:

In this paper, we studied high accuracy azimuth measuring on improving the precision of traverse azimuth from the perspective of transfixion measurement error in a tunnel project. On the basis of a feasible scheme using Gyro Total Station measurement is given. Data processing theory and method are also introduced with a successful tunnel transfixion case. The transfixion results show that the instrument constant measurement precision is 3.7", baseline coordinates azimuth measurement accuracy is 4.8" into tunnel, the final orientation coordinate azimuth value and traverse measurement values differ is 11", to guide the construction of the gyro orientation with survey results achieved tunnel through smoothly.

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Periodical:

Applied Mechanics and Materials (Volumes 580-583)

Pages:

2828-2832

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.580-583.2828

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Online since:

July 2014

Authors:

Tao Wang, Hu Rong Duan, Liu Tao Jiang, Shun Liu

Keywords:

GAT Magnetic Suspension Gyro Station, Gyro-Orientation, Instrumental Constant, Tunnel

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References

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