... completion installation and operations resistance penetration process geologist plate penetrometer penetration resistance curve spudcan penetration resistance geology penetrometer resistance curve penetrometer and spudcan soil strength ratio mechanism strength ratio foundation...

... ABSTRACT By utilizing the finite element limit analyses theorem, the present study provides lower and upper bound values of vertical penetration resistance offered by soil on a pipeline buried under a rock berm, which is a very common scenario in the North Sea. A comprehensive parametric study...

... ABSTRACT In this paper, a backstepping-based method is presented for calculating the penetration resistance of offshore suction bucket foundations in complex stratified geological environments. Penetration coefficients are calculated for different soil strata using a binary linear regression...

.... The theoretical solution of the bearing capacity of a soil layer on a rigid base has conventionally been used to predict the spudcan penetration resistance in soft over strong layers. However, recent centrifuge experimental studies suggested that the design approaches recommended by current industry guidelines...

... design (e.g. subsea structures, anchoring systems, piles, etc.). miniature vane shear test remolded undrained shear strength shear strength yafrate sensitivity vane shear test penetrometer t-bar test ntbar strength water content penetration resistance time period undrained shear...

... penetration resistance stiff layer géotechnique spudcan penetration resistance profile peak point strength undrained shear strength penetration centrifuge model test centrifuge test soft layer deformation spudcan model test spudcan punch-through mechanism upstream oil & gas Study...

...–1, 2012) states that issues associated with positioning of spudcan on a hard sloping stratum shall be carefully considered. However, only few studies have been done on spudcan penetration resistance on a sloping seabed. This study aims to evaluate the spudcan penetration resistance on a sloping...

..., aiming at identifying soil squeezing or punch-through mechanisms. In this paper, a study has been performed to assess penetration resistance of jack-up spudcan in multi-layered soil system ( 3 layers). Based on the existing single and two-layer bearing capacity analysis methods, the bearing capacity...

... velocity. These tests were compared with finite element analysis considering soil-fluid interaction to verify the measured values. subsea system penetration sandy soil pullout load suction pressure penetration resistance field test upstream oil & gas skirt model suction effect...

... to higher resolution of penetration resistance in soft sediments; negligible effect of overburden pressure and soil rigidity index on penetration resistance due to the full-flow mechanism (Lu, 2004, Zhou and Randolph, 2009). The T-bar penetrometer comprises a cylinder bar attached perpendicularly...

... mechanism shear strength ratio bearing capacity strength ratio near-surface crustal layer upstream oil & gas offshore pipeline strength randolph penetration resistance pipeline vertical penetration response midstream oil & gas crustal layer strength profile Effect of Near-Surface...

... Correlation between Liquefaction Resistance and Penetration Resistance of Swedish Weight Sounding Tests Kenta Kumada Department of Architecture, Graduate School of Science and Technology, Nihon University, Kanda-surugadai, Tokyo, Japan Noriaki Sako Department of Architecture and Life Design...

... offshore pipeline penetration resistance cel drag force clay block ) $ $ , , % 0 -1 23 4 ! -1 ) $ % ! 0 -1...

... highlighted in relation to current predictive methods in the ISO standard 19905–1, which were implemented through a self-developed user interface. platform design penetration top layer plug upstream oil & gas evolution penetration resistance profile spudcan iso method thickness randolph...

... with results from the recent centrifuge experiment conducted by Hossain (2014) on the four-layer sediments with an interbedded sand layer, the performances of the numerical simulations are compared and verified. interface spudcan continuous penetration penetration resistance foundation progressive...

... of a spudcan is in the range of 10~15 degrees. To evaluate the effect of the slope angle of bottom plate on the penetration resistance of soil, three slope angles (10, 12.5, 15 degrees) are adopted as the design parameter. Fig. 6 shows the penetration resistance of soil depending on the bottom-plate slope...

... and consequent end bearing resistance. Higher penetration resistance and more proportion of vertical soil flow (concentrating adjacent to the advancing pile) are in associated with higher relative density and greater tip angle. upstream oil & gas pile foundation deformation fe analysis randolph...

... failure. The relative magnitudes of cone and spudcan penetration resistance were strongly affected by geometric differences and the soil plug carried down with the spudcan. In this direct penetrometer-based methodology, the effects of relative strain rate and softening were shown to play an important role...

... of bucket foundation. This paper presents experimental results to assess the penetration mechanism of bucket foundation in sand. In these tests, the bucket is penetrated by suction pressure or physically pushing force to provide data on the penetration resistance. wind energy renewable energy...

... randolph strength proc clay layer upstream oil & gas punch-through failure hossain resistance friction angle spudcan foundation foundation penetration resistance sand layer silica sand drilling equipment Spudcan Foundations on Multi-Layered Soils with Interbedded Sand and Stiff Clay...