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List of products by author: M. Koshiishi
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Model test and trial construction of polyurea spray as the spalling prevention method of tunnel lining concrete
Abstract: Preventing concrete spalling is very important in tunnel maintenance because spalling in railway tunnels may causes a direct safety hazard to train operations. This paper deals with the applicability of sprayed polyurea as the spalling prevention method of tunnel lining concrete. The model test and trial construction have been carried out. In the model test, vertical displacement was applied at...
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