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Keywords: laterally
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30465-MS
... Abstract Rock berms are used for many different offshore pipeline applications such as protection from anchors and trawlers, mitigation against pipeline global buckling and improvement of pipelines on-bottom stability. Understanding the lateral resistance provided by rock berms to pipelines...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29673-MS
... Abstract The conventional design methods for laterally loaded offshore foundations in sand, API RP 2GEO (2014) and DNV (2018) , were not developed for wind turbine monopiles that experience lateral loads imposing relatively small lateral displacements in service. This paper presents...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29373-MS
.... and Zdravkovic , L. ( 2019b ). Monotonic laterally loaded pile testing in a stiff glacial clay till at Cowden . Géotechnique , in press. Byrne , B.W. , Mcadam , R.A. , Burd , H.J. , Houlsby , G.T. , Martin , C.M. , Beuckelaer , W.J.A.P. , Zdravkovic , L. , Taborda , D.M.G...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27785-MS
... in terms of both horizontal bearing capacity and lateral unit bearing capacity profiles, which are depth-dependent. A series of parametric studies is presented in which the effect of pile diameter and soil strength is assessed. The paper presents a simplified practical approach to calculate lateral bearing...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-26031-MS
... that the form of the Matlock (1970) p-y curves, in which the lateral displacement is normalized by pile diameter and lateral soil resistance is normalized by the ultimate resistance, appropriately captures the effect of pile diameter. Field and model testing indicate that the Matlock (1970) p-y models...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25150-MS
... reservoirs have been recognized where fluid flow is driven by lateral drainage, typically found in laterally extensive reservoirs. The lateral drainage of pressure in reservoir sand units leads to a pressure gradient from higher pressured non-reservoir sediments (shales) above and below into the reservoir...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2006
Paper Number: OTC-17861-MS
... during a storm can be resolved into two components: Lateral load, which is one-way cyclic; Tensile (upward) load, which is typically only a few percentage of the lateral load. The greatest uncertainty in the analysis is the load carrying capacity of the pile, since the cyclic storm loading...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2004
Paper Number: OTC-16441-MS
... Abstract This paper will discuss a new design method (termed the CHIPPER method) that has been specially developed to assess the performance of laterally loaded anchor piles in soft rock (both carbonate and non-carbonate). The theoretical basis for the model will be presented along...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 1991
Paper Number: OTC-6534-MS
... at the moderate to high pressures commonly found in oceans below about 400 m water depth (pressure increases at an atmosphere per z10 m depth). exploration closure permeability laterally marine sediment hydrate upstream oil & gas kvenvolden clathrate gas deposit continental slope bsr deep...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 7–10, 1990
Paper Number: OTC-6377-MS
... ABSTRACT This paper reviews recent research into the behavior of laterally loaded piles and pile groups in clay and sand. The focus is upon cyclically loaded driven piles in over consolidated soil, both clay and sand. Criteria and phenomenological observations are discussed that are intended...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 1989
Paper Number: OTC-6005-MS
... forces. The second type (pile scour) is associated with cohesive soils and is the subject of this study. Observations during onshore testing have revealed that the loss of lateral capacity of a pile in cohesive soils is due principally to the creation of a gap at the pile-soil interface...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 1989
Paper Number: OTC-6004-MS
... ABSTRACT Large scale model tests on two vertical piles in sand were performed in order to study interaction effects between piles in a laterally loaded group. The 150 mm diameter piles were placed at different center-center spacings for each test and subjected to long-term (drained) static...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 1988
Paper Number: OTC-5855-MS
... lateral loads or displacement to a pipe test section with a servo system. Preliminary results provide a means for estimating horizontal forces required to move embedded pipes, and estimating rates of self-burial. INTRODUCTION Pipelines resting on or partially embedded in the sea floor are subjected...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 27–30, 1987
Paper Number: OTC-5588-MS
... ABSTRACT This paper examines the load-displacement behaviour of partly embedded pipelines. A calculation method has been developed to compute lateral soil resistance per unit length of the pipeline. The method facilitates integration with numerical methods for structural pipeline analysis...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 7–9, 1984
Paper Number: OTC-4678-MS
... applications of the pressuremeter test is the design of laterally loaded piles. Several methods have been developed (6). The purpose of this research was to study in details the soil response to cyclic pressuremeter testing; this represents the first step in the extension of an existing pressuremeter method...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 1983
Paper Number: OTC-4501-MS
... ASTRACT The P-y curve is a soil model used in the design of laterally loaded piles. A method is presented to obtain the P-y curve from the pressure meter curve. This method distinguishes between the friction model and the front resistance model. Using this approach, comparisons are made...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 1983
Paper Number: OTC-4572-MS
... conference procedure template impact energy bit selection bumper pile design drilling template operation flexibility model test upstream oil & gas laterally OTe 4572 Bumper Pile Design for Mating Platform and Subsea Drilling Template by W.E. Nelson, Amoco Production Co. (Inti and B.S...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 1980
Paper Number: OTC-3747-MS
... ABSTRACT Preliminary results of a series of lateral-load tests on a small-scale pile in layered soils are presented. The major objective of the tests was to measure soil resistance p as a function of deflection y along the length of the pile in a stiff upper layer. The soil profiles all...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 1980
Paper Number: OTC-3749-MS
... of idealized pile-soil systems. Stress-strain' characteristics of clays subjected to dynamic and cyclic loadings. Influence of dynamic and cyclic loadings on the capacity, deformability, and energy dissipation characteristics of laterally loaded piles driven into clays. Influence of dynamic and cyclic...

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