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Xunqian Xu, Qi Li, Shue Li, Fengyi Kang, Guozhi Wan, Tao Wu and Siwen Wang
Based on the tunnel crack width identification, there are operating time constraints, limited operating space, high equipment testing costs, and other issues. In this paper, a large subway tunnel is a research object, and the tunnel rail inspection car i...
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Peilu Li, Chunguang Xu, Qinxue Pan, Yuren Lu and Shuangyi Li
According to the acousto elastic effect, the residual stress on the surface of the rail can be evaluated by measuring the change in the propagation velocity of ultrasonic waves, such as longitudinal critically refracted (LCR) waves on the surface of the ...
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Wootae Jeong and Dahae Jeong
Results and algorithm proposed in this research can be applicable in developing devices measruing acoustic rail surface irregularities, and various potental surface measuring equipment with a moving platform.
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Xueliang Zhu, Dasen Wang, Fengming Nie, Bingcai Liu, Hongjun Wang and Ailing Tian
This paper proposes a real-time compensated pentaprism scanning wavefront detection method to achieve real-time compensation for scanning errors occurring during prism movement along a guide rail. The method is based on existing pentaprism scanning wavef...
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V. I. Matvetsov,P. V. Kovtun,O. O. Kebikov,V. P. Krupodrov,N. Ye. Miroshnykov
Pág. 100 - 106
The basic stages of introduction on railways of cross ties from ferroconcrete are resulted. The data on rates of laying and extent of a railway on the ferroconcrete basis on Russian and Byelorussian railways are resulted. It is shown, that the width of a...
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