2017
DOI: 10.1002/stc.2042
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Experimental and finite element investigation of temperature distributions in concrete-encased steel girders

Abstract: SummaryThe structural performance of bridge structures is temporal and is mainly controlled by the types of the applied loads. To continuously observe the structural performance of bridges, structural health monitoring sensors that include among many temperature sensors are used. The impact of nonuniform temperature distributions in bridge girders due to the environment thermal loads has been recognized by former researchers and bridge design codes. To evaluate these and other effects on the structural behavio… Show more

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Cited by 69 publications
(30 citation statements)
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“…The maximum measured and simulated temperature difference on the top slab reached 4.0 °C. Overall, the 3D FE model can be considered suitable for simulation of thermal conductivity, heat convection, ambient temperatures, and solar radiation in the box girder [ 6 , 8 , 11 , 14 ]. The difference between the measured and FE simulated temperature values may be attributed to the assumptions made in FE analysis that the heat thermal conductivity and the absorption rate are uniform in the structure.…”
Section: Simulation Of Temperature Field With Finite Element Methomentioning
confidence: 99%
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“…The maximum measured and simulated temperature difference on the top slab reached 4.0 °C. Overall, the 3D FE model can be considered suitable for simulation of thermal conductivity, heat convection, ambient temperatures, and solar radiation in the box girder [ 6 , 8 , 11 , 14 ]. The difference between the measured and FE simulated temperature values may be attributed to the assumptions made in FE analysis that the heat thermal conductivity and the absorption rate are uniform in the structure.…”
Section: Simulation Of Temperature Field With Finite Element Methomentioning
confidence: 99%
“…They proposed empirical equations to predict the maximum vertical and lateral temperature gradients based on the data collected [ 5 ]. The same approach was applied to concrete-encased steel girders [ 6 ]. Taysi and Abid investigated the effects of the thermal properties in a full-scale concrete box-girder segment.…”
Section: Introductionmentioning
confidence: 99%
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“…Especially varying temperature may affect damage features far more significantly than local structural damage in early stage . The temperature distribution may be nonuniform over the structure . To eliminate those damage masking effects, different concepts have been proposed in the last decades.…”
Section: Introductionmentioning
confidence: 99%
“…Several experimental researches were conducted to evaluate the thermal response of concrete beams [2][3][4][5][6][7][8], while other experimental researches were directed to study these effects on steel beams [9][10][11]. However, the experimental researches that investigate the effect of the atmospheric thermal loads on composite beams are few in the literature [12]. In this research, an experimental concrete-encased-steel composite beam was constructed in an open environment to study the thermal response of such type of beams under the atmospheric thermal loads.…”
Section: Introductionmentioning
confidence: 99%