Norconsult A.S. | Calculation of Reinforced Concrete Beams in Abaqus | Anton Magne Gjørven | EURONORTH RUM 2026

Abstract: 

The material model in Abaqus/Standard for concrete can be utilized during concrete design calculations or in back-calculation of damaged concrete structures in order to come as close as possible to the real behavior of concrete when doing calculations with Abaqus/Standard. The sub option *Concrete Damaged Plasticity is used in the presentation example, both for beam elements and solid elements. Special attention should be taken to the development of tensile strain and stress in the section. These are crucial parameters for the concrete behavior in the Ultimate Limit State. Abaqus enables the user to do parametric studies for different assumptions of how cracks are developing in the tension part of the section. This leads to an enhanced understanding of the interaction between concrete and the rebars when the concrete is cracking and the rebars are taking over more of the tensile stresses when the section cracks.

Presenters: 

Anton Magne Gjørven

Civil Engineer, M.Sc - Norconsult A.S.

Born in 1948, Anton Magne Gjørven's educational journey began with high school in 1964, followed by an M.Sc. in 1971 from NTNU in Trondheim. His professional career commenced in 1972 as a teacher at Møre og Romsdal tekniske skole, a technical high school. From 1974 to 1977, he contributed as a Research Assistant at FCB, SINTEF- working mainly with Concrete Offshore Structures. He then moved into engineering, working as a civil engineer at Dr. Techn Olav Olsen in Oslo from 1978 to 1981. During this period, he was involved in the design of the Statfjord B concrete offshore platform. His expertise continued to develop by working as an engineer with a bridge design consultant in Sandvika, Vik, Vigerust and Aarskog, 1981-1982. From 1982 he has been working with design of concrete structures and with performing FEM-analyses of structures and foundations with Strømme, Berdal Strømme and finally Norconsult- up to the present day.
Some of the recent Work experience:
Consultant to ExxonMobil on the Hebron Concrete Gravity Base Structure (GBS) which has been under construction at the Bull Arm site in New Foundland (2015) and was placed in the Hibernia area in 2016-2017. The platform (a monotower with deck weight 65000 tons) has a total weight of 860000 tons and is one of the bigger off-shore platforms in the world. ExxonMobil hired Anton Gjørven as Concrete and FEM-specialist to the project from 2011 and up to 2016. Main contribution to the consultant work was concrete design, wave loads and seismic design, crack-widths in concrete and ABAQUS FEM-analyses