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Lennart Elfgren
Lennart Elfgren

Lennart Elfgren

Senior professor
Luleå tekniska universitet
Byggkonstruktion och brand
Institutionen för samhällsbyggnad och naturresurser
T2221, F969 Luleå

Research Interests and Projects

Design and Assessment of Structures

COST Action TU1416 - Quality specifications for roadway bridges, standardization at a European level, see http://www.tu1406.eu/

fib T2.9 Fastenings to structural concrete and masonry, see http://www.fib-international.org/comm-a-tgs

Mainline - MAINtenance, renewaL and improvement of rail transport INfrastructure to reduce Economic and environmental impacts. A European Research Project with 19 partners from 11 countries within FP7, 2011-2014. A summary and  26 reports are available athttp://www.mainline-project.eu/

Sustainable Bridges - A European  Research Project with 32 partners from 12 countries within FP6, 2003 - 2008.  Background documents and the following  four Guidelines and can be downloaded: (1) Inspection and Condition Assessment (SB-ICA), 259 pp; (2) Load and Resistance Assessment of Railway Bridges (SB-LRA), 428 pp; (3) Guideline for Monitoring of Railway Bridges (SB-MON), 93 pp; and (4) Guide for use of Repair and Strengthening Methods for Railway Bridges (SB-STR), 139 pp. ​

All reports available at http://ltu.diva-portal.org/smash/

Video from Full Scale Test to Failure of RC Railway Bridge

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Källa: Lulea University of Technology
Foto: Lennart Elfgren, Complab

Curriculum vitae



30 ton på Malmbanan. Rapport 3.3 Infrastruktur. (1996)

Forsknings- och utvecklingsprojekt avseende betongbroars bärighet
Elfgren. L, Ohlsson. U, Danielsson. G, Åström. L, Johansson. H, Paulsson. B, et al.

3D non-linear FE analysis of a full scale test to failure of a RC Railway Bridge strengthened with carbon fibre bars (2016)

Puurula. A, Enochsson. O, Sas. G, Blanksvärd. T, Ohlsson. U, Bernspång. L, et al.
Ingår i: IABSE CONGRESS, STOCKHOLM, 2016, Challenges in Design and Construction of an Innovativeand Sustainable Built Environment, s. 2527-2535, International Association for Bridge and Structural Engineering, 2016
Artikel i tidskrift

3D reconstruction of existing concrete bridges using optical methods (2019)

Popescu. C, Täljsten. B, Blanksvärd. T, Elfgren. L
Structure and Infrastructure Engineering, Vol. 15, nr. 7, s. 912-924

A comparison between laser scanning, photogrammetry and infrared scanning to create 3D digital models of existing concrete bridges (2020)

Popescu. C, Täljsten. B, Blanksvärd. T, Elfgren. L
Ingår i: 1st IABSE Online Symposium 2020, Synergy of Culture and Civil Engineering - History and Challenges, s. 1101-1108, International Association for Bridge and Structural Engineering (IABSE), 2020
Artikel i tidskrift

A deformation criterion for fatigue of concrete in tension (2011)

Thun. H, Ohlsson. U, Elfgren. L
Structural Concrete, Vol. 12, nr. 3, s. 187-197
Artikel i tidskrift

A nonlinear prediction model of the debonding process of an FRP-concrete interface under fatigue loading (2023)

Min. X, Zhang. J, Li. X, Wang. C, Tu. Y, Sas. G, et al.
Construction and Building Materials, Vol. 369

A Parametric Study of an old Concrete Trough Bridge using non-linear Finite Element analysis (2022)

Sarmiento. S, Åkergren. D, Gustafsson. J, Gonzalez. J, Sas. G, Elfgren. L, et al.
Ingår i: IABSE Symposium Prague 2022: Challenges for Existing and Oncoming Structures - Report, International Association for Bridge and Structural Engineering, s. 1652-1659, International Association for Bridge and Structural Engineering, 2022