Sensitivity Analysis of Force Deformation of Composite Geomembrane in Miaogou Reservoir
Exploring the degree of influence of different factors on the force deformation of geomembrane in Miaogou reservoir is crucial for a deeper understanding of the performance of geomembrane in the actual engineering environment and for improving the safety and reliability of the reservoir project.In this paper,based on the Miaogou reservoir de-risking and strengthening project in Hezhang county,orthogonal experiments were designed using numerical simulation to investigate the influence of different parameters of the clay protective layer on the composite geomembrane's force deformation and the results of the orthogonal experiments were analyzed using the extreme difference analysis method.The results show that the maximum vertical deformation of the composite geomembrane is most significantly affected by the change in the bulk compression modulus coefficient,and the change in the modulus of elasticity coefficient has the most significant effect on the maximum values of the single-width tensile stress and tensile strain.
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