...-controlled cyclic direct simple shear tests performed in clays with 10 % ≤ CaCO 3 ≤90 %. The effects of carbonate content (CaCO 3 ), mean effective confining pressure ( σ ′ m ), plasticity index (PI), and overconsolidation ratio (OCR) on the shape of the modulus reduction and material damping...

... plasticity index acceleration spectra return period event reservoir characterization taboada laboratory curve equation ratio curve shear modulus degradation curve campeche clay maximum soil-pile interaction References References Bea , R. , ( 1997 ). Risk Based Hurricane...

... positive factor to account for in future pile design practice. pile installation deposit failure load test site test pile sand deposit variability effective stress reference time upstream oil & gas shaft capacity consolidation karlsrud geotech plasticity index femern shaft...

... angle. Similarly, if SAND is sheared at a very fastrate, such that the pore water does not have enough time to move around, thenSAND can exhibit undrained behaviour. artificial intelligence liquid limit offshore pipeline plasticity index classification assessment soil behaviour...

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

... increases with increasing water content, plasticity index, liquidity index, over consolidation ratio but with decreasing undrained shear strength A simple model is proposed to quantify the rate of loading effects on undrained shear strength. The viscous exponent n which is the main parameter of the model...

... fluid property drilling fluid formulation mineral water depth sediment plasticity index water content carbonate content high carbonate sediment OFFSHORE TECHNOLOGY CONFERENCE 6200 North Central Expressway Dallas, Texas 75206 PAPER NUMBER OTC 2627 Carbonate Content: An Index Property for Ocean...

... are allowed, undisturbed and remolded soils have virtually the same interface strengths. The interface strength relationship developed from the tests is as follows: (Available In Full Paper) For typical Gulf of Mexico clays (Plasticity Index, PI, 40 to 70), the soil-steel friction angle...

... is available and empirical correlations between parameters such as plasticity index (PI) and the ratio of untrained shear strength to overburden pressure (c/p) may be developed. Data to be presented herein as well as data in the literature (8) indicates that carbonate content is an important geotechnical...