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Hellesland, Jostein / Green, Roger (1971): Sustained and Cyclic Loading of Concrete Columns. In: Journal of the Structural Division (ASCE), v. 97, n. 4 (April 1971).
https://doi.org/10.1061/jsdeag.0002873
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Hellesland, Jostein / Green, Roger (1970): Strength characteristics of reinforced concrete columns under sustained loading. Presented at: IABSE Symposium: Design of Concrete Structures for Creep, Shrinkage and Temperature Changes, Madrid, Spain, 1970.
https://doi.org/10.5169/seals-7782
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Hellesland, Jostein / Scordelis, Alex C. (1981): Analysis of r.c. bridge columns under imposed deformations. Presented at: IABSE Colloquium: Advanced Mechanics of Reinforced Concrete, Delft, The Netherlands, 1981.
https://doi.org/10.5169/seals-26914
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Hellesland, Jostein (2020): New and extended design moment formulations for slender columns in frames with sway. In: Engineering Structures, v. 203 (January 2020).
https://doi.org/10.1016/j.engstruct.2019.109804
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Challamel, Noël / Kolvik, Gjermund / Hellesland, Jostein (2013): Plate Buckling Analysis Using A General Higher-order Shear Deformation Theory. In: International Journal of Structural Stability and Dynamics, v. 13, n. 5 (May 2013).
https://doi.org/10.1142/s0219455413500284
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Hellesland, Jostein (2009): Extended second order approximate analysis of frames with sway-braced column interaction. In: Journal of Constructional Steel Research, v. 65, n. 5 (May 2009).
https://doi.org/10.1016/j.jcsr.2008.08.008
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Brubak, Lars / Hellesland, Jostein (2011): Semi-analytical postbuckling analysis of stiffened imperfect plates with a free or stiffened edge. In: Computers & Structures, v. 89, n. 17-18 (September 2011).
https://doi.org/10.1016/j.compstruc.2011.05.007
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Hellesland, Jostein (2007): Mechanics and effective lengths of columns with positive and negative end restraints. In: Engineering Structures, v. 29, n. 12 (December 2007).
https://doi.org/10.1016/j.engstruct.2007.08.021
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Vedeld, Knut / Sollund, Håvar / Hellesland, Jostein (2013): Free vibrations of free spanning offshore pipelines. In: Engineering Structures, v. 56 (November 2013).
https://doi.org/10.1016/j.engstruct.2013.04.013
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Steen, Eivind / Byklum, Eirik / Hellesland, Jostein (2008): Elastic postbuckling stiffness of biaxially compressed rectangular plates. In: Engineering Structures, v. 30, n. 10 (October 2008).
https://doi.org/10.1016/j.engstruct.2008.02.006
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Hellesland, Jostein (2009): Second order approximate analysis of unbraced multistorey frames with single curvature regions. In: Engineering Structures, v. 31, n. 8 (August 2009).
https://doi.org/10.1016/j.engstruct.2009.02.015
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Brubak, Lars / Hellesland, Jostein (2007): Approximate buckling strength analysis of arbitrarily stiffened, stepped plates. In: Engineering Structures, v. 29, n. 9 (September 2007).
https://doi.org/10.1016/j.engstruct.2006.12.002
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Vedeld, Knut / Sollund, Håvar A. / Hellesland, Jostein / Fyrileiv, Olav (2014): Effective axial forces in offshore lined and clad pipes. In: Engineering Structures, v. 66 (May 2014).
https://doi.org/10.1016/j.engstruct.2014.01.051
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Lai, Shu‐Ming A. / MacGregor, James G. / Hellesland, Jostein (1983): Geometric Nonlinearities in Nonsway Frames. In: Journal of Structural Engineering (ASCE), v. 109, n. 12 (December 1983).
https://doi.org/10.1061/(asce)0733-9445(1983)109:12(2770)
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Hellesland, Jostein / Cheong-Siat-Moy, Francois (2000): An ImprovedK-Factor Formula. In: Journal of Structural Engineering (ASCE), v. 126, n. 5 (May 2000).
https://doi.org/10.1061/(asce)0733-9445(2000)126:5(633)
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Hellesland, Jostein / Bjorhovde, Reidar (1996): Restraint Demand Factors and Effective Lengths of Braced Columns. In: Journal of Structural Engineering (ASCE), v. 122, n. 10 (October 1996).
https://doi.org/10.1061/(asce)0733-9445(1996)122:10(1216)
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Hellesland, Jostein / Bjorhovde, Reidar (1996): Improved Frame Stability Analysis with Effective Lengths. In: Journal of Structural Engineering (ASCE), v. 122, n. 11 (November 1996).
https://doi.org/10.1061/(asce)0733-9445(1996)122:11(1275)
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Marí, Antonio R. / Hellesland, Jostein (2005): Lower Slenderness Limits for Rectangular Reinforced Concrete Columns. In: Journal of Structural Engineering (ASCE), v. 131, n. 1 (January 2005).
https://doi.org/10.1061/(asce)0733-9445(2005)131:1(85)
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Hellesland, Jostein (2008): Mechanics and Slenderness Limits of Sway-Restricted Reinforced Concrete Columns. In: Journal of Structural Engineering (ASCE), v. 134, n. 8 (August 2008).
https://doi.org/10.1061/(asce)0733-9445(2008)134:8(1300)
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Sollund, Håvar A. / Vedeld, Knut / Hellesland, Jostein / Fyrileiv, Olav (2014): Dynamic response of multi-span offshore pipelines. In: Marine Structures, v. 39 (December 2014).
https://doi.org/10.1016/j.marstruc.2014.07.006
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Hellesland, Jostein (2012): Evaluation of effective length formulas and applications in system instability analysis. In: Engineering Structures, v. 45 (December 2012).
https://doi.org/10.1016/j.engstruct.2012.06.028