The Research of Existing Railway Survey and Evaluation Methods


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Based on the contrast of survey method in existing railway, considering the actual situation on site, nuclear densimeter, Evd and light dynamic penetration methods were used in survey, and then analyze influencing factors of survey results in existing railway. Since there is no mathematical statistics method for survey evaluation in existing railway, taking "Quality inspection and evaluation standards for highway engineering" as reference, evaluation standard for existing railway at 200km/h was proposed. Filling materials segment method, task segment method and enforcement segment method were used for the evaluation in Ning-Qi existing railway, the road sections length that need reinforcement was reduced, which achieves good effect.



Advanced Materials Research (Volumes 255-260)

Edited by:

Jingying Zhao




X. S. Zhao et al., "The Research of Existing Railway Survey and Evaluation Methods", Advanced Materials Research, Vols. 255-260, pp. 4008-4011, 2011

Online since:

May 2011




[1] Quality inspection and evaluation standards for highway engineering ", Ministry of Transport of the People, s Republic of China publishing, China, 2004, in press.

[2] Design provisional regulations for new construction railway at 200-250km/h, China Railway Press publishing, China, 2005, in press.

[3] Yuanshui Cheng, Zhonglin Zhu, Qinli Zhang, Lijun Wang: Railway Engineering. Vol. 46 (2007), pp.74-76(In Chinese).

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