MATEC Web Conf.
Volume 275, 20191st International Conference on Advances in Civil Engineering and Materials (ACEM1) and 1st World Symposium on Sustainable Bio-composite Materials and Structures (SBMS1) (ACEM2018 and SBMS1)
|Number of page(s)||7|
|Section||New Materials and Structural Engineering|
|Published online||13 March 2019|
Study on elastic deformation calculation method of a composite-metal hybrid assembling stringed truss bridge
1 Research Institute of Engineering Design, Armed Police Force Research Academy, 100000 Beijing, China
2 School of Economics &Management,Nanjing Institute of Technology, 211167 Nanjing, China
3 School of Mechanical and Power Engineering, Nanjing Tech University, 211816 Nanjing, China
4 College of Field Engineering, Army Engineering University of PLA, 210007 Nanjing, China
* Corresponding author: Chen Li, E-mail: firstname.lastname@example.org.
Supports from the Science Foundation of Nanjing Institute of Technology (CKJB201506, YKJ201616) and the National Natural Science Foundation of China (51708552) are gratefully acknowledged.
A composite-metal hybrid assembling stringed truss bridge which based on pre-tightened tooth connection can make full use of the strength of the FRP fiber in the direction of the fiber, and is of higher bearing capacity than the FRP truss bridges with traditional adhesive or bolt connection. However, whether the calculation method of FRP truss bridge with traditional bondingor bolt connection is suitable for this new type of bridge needs to be researched because of the difference on the structural form and connection mode. In order to obtain the suitable method of this kind of bridge, a new method for calculating live load deformation which consider the influence of end of the steel bar sleeve of rod stiffness was established in this paper; the deformation experiment of truss bridge was carried out. The experiment and calculation results show: compared with the calculation method of the live load deformation of the traditional FRP truss bridge, the calculation method of live load deformation considering the effect of the steel sleeve on the end of the rod is in good agreement with the live load deformation obtained by the experiment; the calculation method of inelastic deflection has also been verified by the experimental results.
© The Authors, published by EDP Sciences, 2019
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