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Search: WFRF:(Bernspång Lars 1950)

  • Result 1-17 of 17
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  • Bagge, Niklas, 1987-, et al. (author)
  • Assessment of concrete bridges - Structural capacity : Experiences from full-scale testing to failure of a bridge in Kiruna
  • 2017
  • In: Proceedings of the 23rd Nordic Concrete Research Symposium, Oslo, Norway: Nordic Concrete Federation. - Oslo : Nordic Concrete Federation. ; , s. 263-266
  • Conference paper (peer-reviewed)abstract
    • To calibrate methods for condition assessment of prestressed concrete (PC) bridges, tests were carried out on a 55 year old five-span bridge with a length of 121 m in Kiruna in northern Sweden. Both non-destructive and destructive full-scale tests were performed. This paper presents results regarding methods for assessment of the structural capacity of concrete bridges.
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  • Puurula, Arto, 1956-, et al. (author)
  • 3D non-linear FE analysis of a full scale test to failure of a RC Railway Bridge strengthened with carbon fibre bars
  • 2016
  • In: IABSE CONGRESS, STOCKHOLM, 2016. - CH - 8093 Zürich, Switzerland : International Association for Bridge and Structural Engineering. - 9783857481444 ; , s. 2527-2535
  • Conference paper (peer-reviewed)abstract
    • At a full scale loading test to failure a 50 year old concrete railway trough bridge in Örnsköldsvik, in northern Sweden was tested to failure. The test was a part of the European Research Project “Sustainable Bridges” regarding assessment and strengthening of existing bridges. In the projectnew calculation methods were developed to capture the behaviour of the bridge during increasing load. The bridge was strengthened in bending with rods of Carbon Fiber Reinforced Polymer (CFRP) before the loading test. Failure was reached for an applied load of 11.7 MN by pulling a steel beam placed in the middle of one of the two spans downwards. The achieved failure was a combination of bond, shear, torsion and bending. The developed model, a 3D -non-linear finiteelement (FE) model with discrete reinforcement, gave accurate accounts of the response of thebridge. The FE calculations show the effect of the strengthening with CFRP and even the effect of the epoxy when using the Near Surface Mounted Reinforcement (NSMR) strengthening method.
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  • Result 1-17 of 17

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