Reinforcement technology is widely used for filter dams in high-seismicity zones. The effect of reinforcement on deformation and safety is evaluated, and it is one of the primary objectives to be investigated in filter engineering. Residual strains of reinforced filter materials were experimentally studied using a triaxial apparatus. The effect of reinforcement mesh sizes, confining pressures, and cyclic loading modes on residual strains was analyzed. The results show that the reinforcement reduces residual strains of filter materials. Both residual shear and volume strains are determined. Based on the test results, one of the possible mechanisms of the reinforcement effect on residual strains is proposed.
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Acknowledgments
This study is supported by the National Natural Science Foundation of China (NSFC) under Grant No. 51209132, and Innovation Program of Shanghai University (sdcx2012044). These supports are gratefully acknowledged.
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Translated from Problemy Prochnosti, No. 1, pp. 124 – 130, January – February, 2015.
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Lin, Y.L., Li, X.X. & Zhang, J. Residual Strains of Filter Materials Reinforced with Grid Inclusions Under Cyclic Loading. Strength Mater 47, 108–113 (2015). https://doi.org/10.1007/s11223-015-9635-1
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DOI: https://doi.org/10.1007/s11223-015-9635-1