Abstract
Up to now there is no specification about the allowance of lateral breakthrough error for super long tunnel from 20 km to 50 km. On the basis of the design of GPS networks located outside and inside tunnel traverse network, we propose a method for calculating the influence value caused by control surveying errors. Through a lot of simulative calculations and combination with piercing practice of super tunnels in Wan Jiazai Project, Shanxi province, we present an allowance table of lateral breakthrough error for super long tunnels from 20 km to 50 km.
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References
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Zhenglu, Z., Songlin, Z. Allowance of lateral breakthrough error for super long tunnels from 20km to 50km. Geo-spat. Inf. Sci. 7, 198–203 (2004). https://doi.org/10.1007/BF02826291
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DOI: https://doi.org/10.1007/BF02826291