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| Description
| - The design of a composite footbridge using a finite element method (FEM) model is the aim of the research project TA02010501. A box beam concept is used in the footbridge design. To validate the FEM model, bending tests of composite rectangular tubes were done. The aim of this work was to compare the failure of the tubes in case of the FEM model and the experiment and to determine a safety coefficient for the load capacity evaluation of the footbridge. Two types of samples were tested. Sample A consisted of two outer chopped strand mat (CSM) layers and two inner unidirectional (UD) layers. Sample B consisted of six biaxial non-crimp fabric (NCF) layers. Performed tests were numerically simulated using the Abaqus 6.12 finite element system. The maximum stress theory was used to determine failure. Analyses with and without large deformation assumption were compared. The type of the deformation assumption did not significantly influence results of the model of the sample B. However, significant differences were observed in case of the sample A. A local buckling of the sample A before its failure was the reason. Based on comparison of ultimate forces in experiments and models, it was determined that the value of the safety coefficient for the load capacity evaluation of the footbridge should not be less than 3.
- The design of a composite footbridge using a finite element method (FEM) model is the aim of the research project TA02010501. A box beam concept is used in the footbridge design. To validate the FEM model, bending tests of composite rectangular tubes were done. The aim of this work was to compare the failure of the tubes in case of the FEM model and the experiment and to determine a safety coefficient for the load capacity evaluation of the footbridge. Two types of samples were tested. Sample A consisted of two outer chopped strand mat (CSM) layers and two inner unidirectional (UD) layers. Sample B consisted of six biaxial non-crimp fabric (NCF) layers. Performed tests were numerically simulated using the Abaqus 6.12 finite element system. The maximum stress theory was used to determine failure. Analyses with and without large deformation assumption were compared. The type of the deformation assumption did not significantly influence results of the model of the sample B. However, significant differences were observed in case of the sample A. A local buckling of the sample A before its failure was the reason. Based on comparison of ultimate forces in experiments and models, it was determined that the value of the safety coefficient for the load capacity evaluation of the footbridge should not be less than 3. (en)
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| Title
| - Comparison of numerical simulation and experiment in case of bending test of composite rectangular tubes
- Comparison of numerical simulation and experiment in case of bending test of composite rectangular tubes (en)
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| skos:prefLabel
| - Comparison of numerical simulation and experiment in case of bending test of composite rectangular tubes
- Comparison of numerical simulation and experiment in case of bending test of composite rectangular tubes (en)
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| skos:notation
| - RIV/49777513:23520/14:43923038!RIV15-TA0-23520___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/49777513:23520/14:43923038
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - bending test, finite element method; rectangular tube; composite; footbridge (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...iv/tvurceVysledku
| - Kottner, Radek
- Krystek, Jan
- Bek, Lukáš
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| http://localhost/t...ganizacniJednotka
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