Probabilistic finite element stiffness of a laterally loaded monopile based on an improved asymptotic sampling method

Autor: Mohammad Javad Vahdatirad, Mehdi Bayat, Lars Vabbersgaard Andersen, Lars Bo Ibsen

Publikováno v: Journal of Civil Engineering and Management, Vol 21, Iss 4 (2015)

The mechanical responses of an offshore monopile foundation mounted in over-consolidated clay are calculated by employing a stochastic approach where a nonlinear p–y curve is incorporated with a finite element scheme. The random field theory is app

Externí odkaz: https://doaj.org/article/17a24be9164a428493aa6c21b0150f20

Natural frequencies of wind turbines on monopile foundations in clayey soils—A probabilistic approach

Autor: Lars Vabbersgaard Andersen, Mahdi Teimouri Sichani, Mohammad Javad Vahdatirad, John Dalsgaard Sørensen

Publikováno v: Andersen, L V, Vahdatirad, M, Sichani, M T & Sørensen, J D 2012, ' Natural Frequencies of Wind Turbines on Monopile Foundations in Clayey Soils : A probabilistic approach ', Computers and Geotechnics, vol. 43, pp. 1-11 . https://doi.org/10.1016/j.compgeo.2012.01.010

A comprehensive study is performed on the stiffness of a monopile foundation supporting an offshore wind turbine in undrained, over-consolidated clay having a spatial variation of the soil properties. The undrained shear strength is considered as a s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c1d756634fc361ef1abdf4fa789aa62d
https://doi.org/10.1016/j.compgeo.2012.01.010

Effect of spatial correlation length on the interpretation of normalized CPT data using a Kriging approach

Autor: Lars Bo Ibsen, Lars Vabbersgaard Andersen, Sarah Firouzianbandpey, John Dalsgaard Sørensen, D. V. Griffiths, Mohammad Javad Vahdatirad

Publikováno v: Firouzianbandpey, S, Ibsen, L B, Griffiths, D V, Vahdatirad, M, Andersen, L V & Sørensen, J D 2015, ' Effect of spatial correlation length on the interpretation of normalized CPT data using a Kriging approach ', Journal of Geotechnical and Geoenvironmental Engineering, vol. 141, no. 12, 04015052 . https://doi.org/10.1061/(ASCE)GT.1943-5606.0001358

In geotechnical engineering analysis and design, the frequency and spacing of borehole information is of great interest, especially when field data are limited. This paper uses random field models to deal with uncertainty in soil properties owing to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::77dc2b9968757fd382ca1e5c4668fa37
https://vbn.aau.dk/da/publications/00851934-4d6e-49d4-9419-6e70a91e7f7b

Assessment of Soil Liquefaction Potential Based on Numerical Method:A case study of an urban railway project

Autor: Mohammad Javad Vahdatirad, M. Torabi, A. Janalizadeh Choobbasti, Amin Barari, S. Firouzian

Publikováno v: Choobasti, A J, Vahdatirad, M J, Torabi, M, Firouzianbandpey, S & Barari, A 2012, ' Assessment of Soil Liquefaction Potential Based on Numerical Method : A case study of an urban railway project ', Arabian Journal of Geosciences, vol. 5, no. 4, pp. 545-554 . https://doi.org/10.1007/s12517-010-0217-z

Paying special attention to geotechnical hazards such as liquefaction in huge civil projects like urban railways especially in susceptible regions to liquefaction is of great importance. A number of approaches to evaluate the potential for initiation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b91f79ed8a006f39457ce4efddbe3d0f
https://vbn.aau.dk/da/publications/3e5a64af-94e9-40dc-a9ea-aa7462c68202

Reliability-Based Assessment of the Natural Frequency of an Offshore Wind Turbine Founded on a Monopile

Autor: Andersen, L., Sørensen, J. D., Mohammad Javad Vahdatirad

Publikováno v: Andersen, L, Vahdatirad, M & Sørensen, J D 2011, Reliability-Based Assessment of the Natural Frequency of an Offshore Wind Turbine Founded on a Monopile . in B H V Topping & Y Tsompanakis (eds), Proceedings of the Thirteenth International Conference on Civil, Structural and Environmental Engineering Computating . Civil-Comp Press, Stirlingshire, Scotland, Civil-Comp Proceedings, no. 96, The Thirteenth International Conference on Civil, Structural and Environmental Engineering Computating, Chania, Crete, Greece, 06/09/2011 .
Scopus-Elsevier
Aarhus University

This study concerns the dynamic stiffness of foundations for large offshore wind turbines. Especially, the purpose of the analysis is to quantify the uncertainties related to the first natural frequency of a turbine supported by a surface footing on

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2088f74277ce1db4f603cad37ecfcb09
https://vbn.aau.dk/da/publications/63f3e948-b70b-4907-baf0-1e9ab489cf22