نتایج جستجو برای: undrained behavior
تعداد نتایج: 619958 فیلتر نتایج به سال:
In this study buckling analysis of solid rectangular plate made of porous material in undrained condition is investigated. The mechanical properties of plate are assumed to vary through the thickness direction. Distributing of the pores through the plate thickness are assumed to be the nonlinear nonsymmetric, nonlinear symmetric, and monotonous distribution. The effect of pores and pores distri...
The use of artificial neural networks has increased in many areas of engineering. In particular, this method has been applied to many geotechnical engineering problems and demonstrated some degree of success. A review of the literature reveals that it has been used successfully in modeling soil behavior, site characterization, earth retaining structures, settlement of structures, slope stabilit...
The mechanical response of clay mass can be significantly affected by the distribution and arrangement of the particles and the interaction between them. A series of compression and extension tests under drained and undrained conditions were performed on normally consolidated and heavily over-consolidated clay specimens with different microfabric. The experimental data indicates strong influenc...
Triaxial compression and extension tests have been conducted under different initial anisotropy conditions to investigate the undrained response of a crushed silica sand. The loose medium specimens were prepared using moist tamping method. Five stress paths with ratios (q/p?) employed prepare anisotropically consolidated specimens. Several specific condition in which rotation occurred monotonic...
In recent years, geotechnical engineers have paid much attention on reliability-based design. The probability density functions (PDFs) of the uncertain soil parameters are required for the reliability-based design. Once these PDFs are obtained, reliability analysis can be conducted, and reliability-based design can be achieved. Among the soil parameters, soil strengths play important roles in g...
Numerical limit analyses have been used to evaluate the stability of the 17th Street Canal I-wall levee during Hurricane Katrina. The potential formation of a water-filled gap along the canal-side soil-wall interface at failure is included in both the lowerand upper-bound formulations. The analyses replicate published two-dimensional (2D) cross sections and soil properties developed in forensic...
Unsaturated soils in engineered geostructures like embankments or retaining walls may experience seismic compression during earthquakes due to particle rearrangement associated with large-strain cyclic shearing. Although previous studies have investigated volume changes drained shearing of unsaturated soils, undrained presents a more complex situation. During shearing, total volume, matric suct...
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