Results are presented for studies of the crack resistance of fiber-reinforced concrete linings of dome-shaped hydraulic unpressurized tunnels, constructed in rock by conventional tunneling on the full cross-section. From the results of numerical modeling, a computational method based on linear fracture mechanics is proposed for calculating the crack resistance for this type of linings. The studies were done by the finite element method, using the method of experimental design.
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Translated from Gidrotekhnicheskoe Stroitel’stvo, No. 10, October 2021, pp. 46 – 50. https://doi.org/10.3482/EP.2921.74.38.007
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Zertsalov, M.G., Chunyuk, D.U., Minin, K.E. et al. Fiber-Reinforced Concrete Lining of Unpressurized Hydraulic Tunnels in Rocks and Determination of their Crack Resistance. Power Technol Eng 55, 877–880 (2022). https://doi.org/10.1007/s10749-022-01446-z
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DOI: https://doi.org/10.1007/s10749-022-01446-z