The effect of external wings on the behavior of suction anchor

Monajemi, H. and Abdul Razak, H. (2008) The effect of external wings on the behavior of suction anchor. In: 12th International Conference on Computer Methods and Advances in Geomechanics 2008, 2008, Goa.

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Suction anchors may be subjected to quasihorizontal, quasivertical or inclined loading depending on the type of structure and the water depth. The loading conditions can give rise to horizontal and vertical loads, and moments. To achieve the best performance, suction anchors may be used in different ways. A single cylindrical unit is normally used for typical floaters, and to achieve higher load resistance a cluster of several attached cylinders may be installed. They may also be used with external wings to optimize the horizontal holding capacity by an enlarged projected area. The behaviour of the suction anchor subjected to lateral and pullout loading is presented in this paper. This is to observe the effects of the external wings on the failure mechanism and ultimate capacity of the foundation. The general-purpose finite element program DIANA is being used for this study. A nonlinear analysis was performed on a three dimensional model formed using eight-node isoparametric solid brick elements. The soil was modelled as an elastic perfectly plastic material with von Mises yield criterion for saturated clay. Both load control and displacement control analyses were used for this study.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Conference code: 93907 Export Date: 16 December 2013 Source: Scopus Language of Original Document: English Correspondence Address: Monajemi, H.; Dept. of Civil Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia References: Byrne, B.W., (2000) Investigations of Suction Caissons in Dense Sand, , PhD thesis, University of Oxford, UK; Colliat, J.-L., Boisand, P., Gramet, J.-C., Sparrevik, P., Design and installation of suction anchor piles at a soft clay site in the gulf of Guinea (1996) Proc. Annual Offshore Technology Conference, , Houston, Paper 8150; Fotopoulou, M., Kotsanopoulos, P., Gazetas, G., Tassoulas, J.L., Rocking damping of arbitrarily shaped embedded foundations (1989) Journal of Geotechnical Engineering, 115 (4), pp. 473-490; Gerolymos, N., Gazetas, G., Winkler model for lateral response of rigid caisson foundations in linear soil (2006) Soil Dynamics and Earthquake Engineering, 26, pp. 347-361; Steve, O.J., Bysveen, S., Christophersen, H.P., New foundation systems for the snorre development (1992) Proc. Annual Offshore Technology Conference, , Houston, Paper 6882; Supachawarote, C., Randolph, M.F., Gourvenec, S., Inclined pull-out capacity of suction caissons (2004) Proceedings of the 14th International Offshore and Polar Engineering Conference, , Toulon, France; Monajemi, H., Abdul Razak, H., Modeling & simulation of suction caisson: A study of plastic analysis theory (2007) 6th Int. Congress on Industrial and Applied Mathematics, , 16-20 July. Zurich (Switzerland); Monajemi, H., Abdul Razak, H., 3-D finite element modeling of suction caisson foundations under combined V-H-M loading (2007) Proc. 3rd Int. Conf. on Structural Engineering, Mechanics and Computation, pp. 799-800. , Cape Town (South Africa) Sponsors: National Institute of Disaster Management (NIDM); American Society of Civil Engineers (ASCE)
Uncontrolled Keywords: Finite element modeling, Suction anchor, Brick elements, Elastic-perfectly plastic material, Failure mechanism, Finite element programs, Higher loads, Holding capacity, Inclined loading, Loading condition, Projected area, Saturated clay, Suction anchors, Three-dimensional model, Ultimate capacity, Vertical load, Von Mises yield criterion, Water depth, Finite element method, Geomechanics, Nonlinear analysis, Three dimensional, Loading
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 27 Jan 2014 02:15
Last Modified: 27 Jan 2014 02:15

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