1-20 of 226
Keywords: penetration
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2210
... Field tests suggest that the T-bar factor may vary over a large range for calcareous soils. As the T-bar penetrates very deep into soft soil, a full flow-round mechanism is formed around the T-bar. Examining the stress states around this mechanism suggests that soil elements are subjected to a...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-417
... test showed that the GFRP suction pile was stable during penetration. INTRODUCTION Many offshore structures have been constructed for offshore space utilization, offshore wind turbines, and marine resource development in Korea. A suction pile is a circular surface foundation with thin skirts around...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-363
... power sources have overwhelmed the users lately. This paper presents a new interpretation for what is really critical to achieve a high performance of the MIG/MAG process in terms of penetration. The welding power source may be based on the more conventional mode of the process, i.e. in the voltage...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-581
... ABSTRACT Safe installation of mobile jack-up platforms requires accurate prediction of the vertical load-penetration curves of their large ∼20 m diameter spudcan footings. Difficulties can arise due to a change of soil strength from a soft to a stiff layer. A substantial increase in the...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-600
... variation law with time after jetting, this paper proposes a calculation model of the conductor jetting depth in ultra-deep water soft stratum drilling. An ultra-deep water well in the South China Sea is given as a typical case. And a reasonable mud penetration depth of the surface conductor is calculated...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-715
... is clearly observed at the upper part of jet body. The spacing between two adjacent effluent clouds has strong relationship with the Strouhal number ( St ). Further analysis shows that, the jets have higher penetration with a larger jet-to-current velocity ratio ( R jc ). The vertical momentum of...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-257
... penetration problem of jack-up drilling platform. soil layer bearing capacity egg shell foundation platform safety factor subsea system shear strength spud leg diameter punch-through risk experiment pile foundation upstream oil & gas penetration hard soil layer drilling equipment...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-324
..., the spudcans should be penetrated to some depth below the seabed surface under incremental preloading (Endley et al. 1981). However, spudcan installation in layered soils could lead to catastrophic failure called ‘punch through’ (Craig and Chua, 1990). Punch through refers to that the applied load...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-475
... model tests under normal gravity condition in soft clay and sand-over-clay profiles. The parameters examined included the clearance between the pile and the spudcan edge, seabed layering and pile head fixity. When subject to lateral soil displacement during spudcan penetration, a fixed headed pile...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-108
... considering the stiffness of the loading leg. They discussed the penetration and stress profiles under different footprint geometry. Gan (2009, 2012) investigated the shear strength variation within the footprint by using a miniature ball penetrometer. and gave the contour map of undrained shear strength...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-702
... formation immediately above the pipeline. Thus, ice features investigation is the necessary condition of designing, construction and operation of structures offshore the arctic seas. penetration hummock impact artificial intelligence upstream oil & gas finite element soil body burial depth...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-146
... Interpretation of Indentation Tests on a Sensitive Clay of Eastern Canada Vincenzo Silvestri Ecole Polytechnique, Montreal, Quebec, Canada. Claudette Tabib Consultant, Montreal, Quebec, Canada ABSTRACT Indentation tests were carried out at constant rate of penetration on undisturbed specimens of a...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-400
... ABSTRACT The mechanical properties of soil samples are directly determined by their behavior when the material is subjected to changes in pore-water pressure and by the rearrangement of soil particles caused by the penetration of the tube during sampling. Shogaki (2017) examined how samples...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-365
... shallow hard grounds in soft normally consolidated clay deposits. Pile length was limited to mitigate the risk of penetration refusal due to the presence of hard grounds. This required a large pile diameter leading to a small length to diameter ratio (6.5 m diameter with 10.5 m penetration) which is...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-147
... ABSTRACT A numerical simulation method was proposed to predict hull damages after the stranding of ships in this paper. Firstly, finite element models of plate and stiffened plate were established and a series of penetration simulations were conducted with different parameters. The force...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-148
... foundation. When the loads are exceeding the bearing capacity of a typical mudmat but are not high enough to justify a costly deep foundation, a hybrid subsea foundation (HSF) has become an attractive solution. penetration resistance bearing capacity upstream oil & gas diameter self-weight...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-639
...–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...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-649
... subsea system coefficient chloride resistance aggregate chloride ion compressive strength marine structure lightweight aggregate penetration stalite casing and cementing specimen resistance silica fume upstream oil & gas lightweight aggregate concrete water absorption lwac...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-679
... Prediction of Maximum Penetration Depth for Free Fall Ball Penetrometers in Clay Abhishek Ghosh Dastider, Divya SK Mana, Santiram Chatterjee, Prasenjit Basu Department of Civil Engineering, Indian Institute of Technology Bombay Mumbai, Maharashtra, India ABSTRACT Coupled Eulerian Lagrangian...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-210
... ABSTRACT In order to ensure the safe construction of SJ350 jack-up rig at ZK2 location in the waters of Shanghai Lingang survey area, the penetration and extraction of pile leg of the rig in this area is studied and analyzed. First of all, the bearing capacity of foundation of pile penetration...

Product(s) added to cart

Close Modal