Investigation of monitoring system for high-speed railway subgrade frost heave |
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| Authors: | GuoTao Yang ZaiTian Ke DeGou Cai HongYe Yan JianPing Yao Feng Chen |
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| Affiliation: | School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China;China Railway Corporation, Beijing 100844, China;Railway Engineering Research Institute, China Academy of Rails Science, Beijing 100081, China;Railway Engineering Research Institute, China Academy of Rails Science, Beijing 100081, China;Railway Engineering Research Institute, China Academy of Rails Science, Beijing 100081, China;Railway Engineering Research Institute, China Academy of Rails Science, Beijing 100081, China |
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| Abstract: | This paper presents methods for monitoring frost heave, device requirements, testing principals, and data analysis requirements, such as manual leveling observation, automatic monitoring (frost heave, frost depth, and moisture), track dynamic detection, and track status detection. We focused on the requirements of subgrade frost heave monitoring for high speed railways, and the relationship of different monitoring methods during different phases of the railway. The comprehensive monitoring system of high speed railway subgrade frost heave provided the technical support for dynamic design during construction and safe operation of the rail system. |
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| Keywords: | high speed railway frost heave monitoring automatic monitoring manual leveling observation rail detection |
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