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Showing 1 to 3 of 3 for “"excess pore pressure ratio"”.
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Investigating the Dynamic Soil Behaviour of Cape Flat Sands Under Earthquake Cyclic Loading
… properties, such as shear modulus and damping ratio. Therefore, this necessitates an inclusive methodology to consider and incorporate the degree of saturation in seismic analyses to ensure that seismic designs are not overly conservative based on local soil conditions. In Cape Town, South …
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The effects of multi-directional loading on soil liquefaction
… inverse correlation exists between the limiting excess pore pressure ratio and shear stress amplitude. A bimodal phenomenon was identified in terms of the phase transformation of sand under multi-directional shearing conditions. Phase transformation states form a conical surface, like failure …
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Shear Modulus Degradation of Liquefying Sand: Quantification and Modeling
… decreasing in proportion to the increasing excess pore water pressure ratio (Ru). When completely liquefied, the shear modulus of sand (Ru = 1.0) for a relative density of 40 to 50% is approximately 15% of the high-strain modulus of the sand in its non-liquefied state, or 1% of its initial …