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Spalling Prevention Method for Tunnel Lining Using Polyurea Resin

Last updated on 30 October 2017 2:55

Preventing concrete spalling is very important in tunnel maintenance because it can be a direct hazard to the operational safety of trains. This paper deals with the applicability of sprayed polyurea as a method to prevent spalling of tunnel linings. Model tests and trials using the method were carried out.

Author(s): Keisuke SHIMAMOTO;Kazuhide YASHIRO;Naoki ITO

Organisation(s): Railway Technical Research Institute ;

2017

Japan

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