Steel and Composite Structures

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Experimental study on the cable rigidness and static behaviors of AERORail structure

  • Li, Fangyuan (Department of Bridge Engineering, Tongji University) ;
  • Wu, Peifeng (Department of Bridge Engineering, Tongji University) ;
  • Liu, Dongjie (Guangdong Highway Design Institute Co., Ltd.)
  • Received : 2011.12.04
  • Accepted : 2012.03.25
  • Published : 2012.05.25
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Abstract

This paper presented a new aerial platform-AERORail for rail transport and its structure evolution based on the elastic stiffness of cable; through the analysis on the cable properties when the cable supported a small service load with high-tensile force, summarized the theoretical basis of the AERORail structure and the corresponding simplified analysis model. There were 60 groups of experiments for a single naked cable model under different tensile forces and different services loads, and 48 groups of experiments for the cable with rail combined structure model. The experimental results of deflection characteristics were compared with the theoretical values for these two types of structures under the same conditions. It proved that the results almost met the classical cable theory. The reason is that a small deflection was required when this structure was applied. After the tension increments tests with moving load, it is verified that the relationships between the structure stiffness and tension force and service load are simple. Before further research and applications are made, these results are necessary for the determination of the reasonable and economic tensile force, allowable service load for the special span length for this new platform.

Keywords

Acknowledgement

Supported by : National Natural Science Foundation of China

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