نتایج جستجو برای: subgrade reaction coefficient
تعداد نتایج: 577656 فیلتر نتایج به سال:
This paper aims to assess the application of Support Vector Machine (SVM) regression in order to analysis flexible pavements. To this end, 10000 Four-layer flexible pavement sections consisted of asphalt concrete layer, granular base layer, granular subbase layer, and subgrade soil were analyzed under the effect of standard axle loading using multi-layered elastic theory and pavement critical r...
Construction of railway track embankment over a soft subgrade will bring the necessity of using soil improvement methods for bearing capacity and settlement criteria satisfaction. As a practical improvement method, railway embankment filled with geofoam blocks is studied in this paper. First; a bilinear stress-strain model developed in FLAC2D to simulate geofoam embankment behavioral model. Sec...
Under the effects of electric field and chemical reaction, a mathematical model has been developed to study the dispersion of aerosols in a couple stress fluid flowing through a channel which is analytically solved using Taylor disper¬sion model. The solutions for velocity, concentration distribution and dispersion coefficient are numerically computed and the results are represented graphically...
Due to the unique hydrothermal environments, frost heave failure of concrete lining water conveyance canals in cold regions is still frequent. The deformation after heaving and stress distribution calculated by mechanical model can be reference for design. However, previous research mainly focused on cross-section while having little attention longitudinal nonuniform damage. In this study, a bo...
Riccati–Ermakov systems and explicit solutions for variable coefficient reaction–diffusion equations
Wind-break walls along Lanxin High-Speed Railway II were studied and approved as effective measures to reduce strong wind damage the high-speed trains. The results show that sand sedimentation on leeward sides of wind-break railway within Gobi Desert could significantly threaten operation safety running Different from current prevention without adequate consideration deposition process airborne...
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