Abstract：Research purposes：The main measurement work in slab track construction is to adopt the necessary measuring instruments to measure the track geometrical sizes based on the track design parameters and the CPⅢ control points with fine-turning measurement methods for the purpose of guaranteeing correct track geometry.
Research conclusions：This paper introduces the characteristics and functions of GEDOCE track detection system, describes the fine -tuning control technology for measuring the slab track in Fenshuiguan Tunnel on Wenzhou to Fuzhou Railway Line, and sums up the way of using GEDOCE detection system to measure and control the geometrical size of slab track for obtaining perfect track regularity and stability.
2009, Vol. 26 
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