Temperature Distribution in Composite Bridges

Kennedy, John B.; Soliman, Mohamed H.

doi:10.1061/(asce)0733-9445(1987)113:3(475)

Cited by 64 publications

(27 citation statements)

References 1 publication

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“…The main components of several supertall structures are placed on or outside the curtain wall. The radiation and daily temperature fluctuations have a significant effect on the overall deflection and stresses, as well as the structural vibration characteristics, of these large-scale structures because of the indeterminacy and nonuniform distribution of temperature [1][2][3][4]. For a supertall structure, the temperature-induced daily movement may be similar to or even larger than the typhoon-induced motion [5].…”

Section: Introductionmentioning

confidence: 99%

Field monitoring and numerical simulation of the thermal actions of a supertall structure

Xia

et al. 2016

Struct. Control Health Monit.

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Structural temperature is an important loading that must be considered during the design, construction, and safety assessment. The thermal action of supertall structures has rarely been investigated because of insufficient real measurement data, as compared with that on bridges. In this study, the thermal action of the 600-m-tall Canton Tower is investigated on the basis of the comprehensive long-term SHM system installed on the structure and the numerical simulation. First, the temperature model of the entire structure is derived by using the field monitoring and numerical heat transfer analysis data. In particular, (i) the temperature difference between different facades of the inner tube, (ii) the temperature difference profile of the outer tube, and (iii) the distribution of the temperature difference between the inner and outer tubes along the structural height are presented in detail. Results show that the nonuniform distribution of the temperature field between the different components of the structure is significant and should be carefully considered in the analysis of such a complex supertall structure. Second, the temperature effects on structural displacement, stress, and internal forces consisting of (i) the tower top horizontal displacement during different seasons, (ii) the stresses of different levels/components, and (iii) the bending moments/shear forces along the structural height are investigated. The simulated results obtained by using the global finite element model of the tower are verified through a comparison with the measurements. This study provides first-hand data for the design of supertall structures in the tropical region of China.

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Section: Introductionmentioning

confidence: 99%

Field monitoring and numerical simulation of the thermal actions of a supertall structure

Xia

et al. 2016

Struct. Control Health Monit.

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“…Studies have shown that [1][2][3][4][5], the temperature field distribution of the composite bridge and the temperature distribution of the concrete or steel beam of a single material are quite different. The thermal conductivity (heat transfer capacity) of steel is much larger than that of concrete, while the specific heat capacity (heat storage capacity) is smaller than that of concrete.…”

Section: Introductionmentioning

confidence: 99%

Research Progress on the Temperature Field of Steel-Concrete Composite Bridge

2019

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The research of the temperature effect of steel-concrete composite bridges is of great significance to ensure the safety and durability. The latest research progress in the field of composite bridge temperature field is introduced, including the temperature field test of indoor and outdoor composite bridge, the fine finite element model of bridge temperature field and temperature distribution law of composite bridge. The study proposes two vertical temperature distribution modes of composite bridges under the action of sunlight, which can be used as reference for composite bridge design.

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“…Previous studies on the vertical temperature distribution in composite bridges have indicated a uniform temperature distribution in the steel girder and a linear temperature distribution in the concrete deck (Kennedy & Soliman, 1987).…”

Section: Introductionmentioning

confidence: 97%

Effects of deck transverse cracks on the temperature distribution in composite bridges. (c2014)

Masri¹

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Temperature Distribution in Composite Bridges

Cited by 64 publications

References 1 publication

Field monitoring and numerical simulation of the thermal actions of a supertall structure

Field monitoring and numerical simulation of the thermal actions of a supertall structure

Research Progress on the Temperature Field of Steel-Concrete Composite Bridge

Effects of deck transverse cracks on the temperature distribution in composite bridges. (c2014)

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