Numerical study on bored Pile-Soil interaction by specified constitutive model in coastal engineering (design)

In Geo-engineering design, Geotech-engineers usually adopt ‘Mohr-Coulomb model (M-C)’ to substitute most soil material, this is considered as linear elastic and perfectly plastic model, despite, in the coastal engineering, sand-clay mixed with water, cement, fine aggregate or similar materials are common interface medium among pile bodies, frictions from them have strong affection on piles settlements, due their complex components mechanics, never can simulate these by ‘M-C model’ easily, hereby, novelty of article that author ‘Hardening constitutive (HSs)’ deployed numerical studies its application practical case, included simulating mechanic behaviors piles(morphology deformation), design assumptions based analysis geotechnic report empirical views, besides compared settlement curves ‘M-C’ ‘HSs’ models static loads test results, identified a suitable for mixture Geo project design. end, proposed few conclusions about birth mechanism, criteria selection advice engineering reference.