... this relationship as: (1) ( G G m a x ) = 1 1 + ( γ / γ r ) where G is the shear modulus at any strain, G max is the maximum shear modulus at γ = 0.0001 %, and γ r is the reference shear strain, which is defined by τ max /G max . The disadvantage...

.... Finite-element computed seismic slope performance indicators, including horizontal peak ground acceleration at the seafloor and earthquake-induced maximum shear strain within the slope, along with horizontal seismic coefficients required to trigger slope instability in limit-equilibrium based...

... seismic site response analysis to evaluate the soil amplification are: a curve of G/G max versus cyclic shear strain (γ), also called modulus reduction curve, where G is the shear modulus and G max is the maximum shear modulus at very low shear strains of the order of 10 −4 % and a curve...

... is provided. A new calibrated model is proposed to evaluate normalized shear modulus reduction and damping ratio curves as a function of shear strain of marine sands. The proposed relationship can be used for a wide range of granular soil conditions for direct use in routine offshore dynamic engineering...

... associated with strain-softening soils. The FE analysis results are compared to the test data from the independently conducted model tests and the established results from the literature. Good agreements among different studies are observed. clukey constitutive model loading shear strain fe...

.... database cyclic shear stress shear strength dss shear strength contour test result upstream oil & gas reservoir characterization strength normalized shear strength subsea system undrained shear strength shear stress andersen cyclic shear strain ocr 1 strain rate failure contour...

... stiffness of sand at small shear strains, utilizing a three-dimensional finite element method (3-D FEM) model that incorporates the non-linear stiffness of sand to predict the lateral response of a monopile, testing the proposed approach with foundation model tests in the laboratory, and applying...

... strain-controlled cyclic direct simple shear test that provide data to define the normalized shear modulus, G/G max , and material damping ratio, D, versus cyclic shear strain. The range of cyclic shear strains of the database is from 0.0001% to 1%, and the range of carbonate content (Ca 2 CO 3 ) from 10...

... of modulus reduction and material damping ratio curves developed specifically for the Bay of Campeche clay when dynamic laboratory data is not available to generate these curves. laboratory curve equation ratio curve darendeli upstream oil & gas site response analysis shear strain design...

... log analysis shear modulus predictive equation reservoir characterization ratio curve shear wave velocity upstream oil & gas idriss well logging database shear strain curvature parameter specimen darendeli response analysis seafloor shear modulus degradation curve equation...

... one, two, or three ground motion components. The results showed that applying two horizontal components instead of one may increase the predicted total displacements and shear strains on the slope by 25% to 50% and by 10% to 50%, respectively. In addition, it may also increase the total displacements...

... acceleration. Considering the equilibrium of the submerged displacement clay slope loading weak layer biscontin shear stress reduction norwegian geotechnical inst earthquake shear strain shear strength stability nadim reservoir characterization upstream oil & gas submarine slope...

... response calculation as shown in Fig.3. As for the numerical integration, the linear acceleration method was used initially, while the central difference method was then used as a second step. The shear strain of the layer, which is calculated from the response displacement was input for element test...

... drammen clay shear strain otc 8830 strength upstream oil & gas cyclic shear stress cyclic shear strain gulf triaxial test cyclic shear strength shear stress shear strength andersen soil parameter subsea system cyclic strength plasticity index suction caisson OTC 8830 Soil...

... be- tween cell pressure and sample pore pressure, i.e., effective confining stress. The pore pressure at the top and bottom of the sample is averaged. From the measured parameters it is possible to compute the vertical effective stress, .v', applied shear stress on the horizontal plane, Th, shear strain...

... fundamental behavior soil-pile system lateral load-deflection relationship reservoir characterization superstructure soil-pile spring loading condition load-deflection relationship stiffness sp interaction resonance frequency shear strain interaction sp system spring constant earthquake...

... half of the strain to failure in static tests, the loss of strength after cyclic loading was less than 10 per cent of the original peak strength. soft clay shear strain reservoir characterization loading permanent shear deformation shear strength earthquake strength axial strain cyclic...

... ratio cyclic excitation kpa amplitude dynamic behavior shear strain strength ratio washington excitation cyclic strain ne pacific clay shear strength loading degradation OTC 2790 DYNAMIC BEHAVIOR OF ANORTHEAST PACIFIC CLAY by Shun Chih Ling, Naval Facilities Engineering Command ©...

... reservoir characterization engineer backbone curve half cycle degradation dcharm shear strain bay mud calculation triaxial test OFFSHORE TECHNOLOGY CONFERENCE 6200 North Central Expressway Dallas, Texas 75206 PAPER NUMBER 0 T c 2 6 7 1 Behavior of Soft Clays Under Loading Conditions Earthquake...