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JMT 2016, Vol. 24 Issue (4) :251-260    DOI: 10.1007/s40534-016-0118-2
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Simplified full-depth precast concrete deck panel systems for accelerated bridge construction
Zhongguo John Ma1,2, Yulin Zhan2,3, Lin Xiao2, Lungui Li2, Weiwei Lu2*
1 Department of Civil and Environmental Engineering, University of Tennessee, John D. Tickle, Knoxville, TN 37996-2313, USA;
2 School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China;
3 Key Laboratory of High-Speed Railway Engineering Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China

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Abstract A simplified full-depth precast concrete deck panel system for accelerating bridge construction (ABC) is introduced and a finite element analysis (FEA) is conducted to investigate the static and dynamic responses of this conceptual deck system. The FEA results are compared to those of the traditional full-depth precast concrete deck panel system. The comparison results show that the mechanical behavior of the new deck system is different from that of the traditional deck system. The concrete decks in the new system act as two-way slabs, instead of the one-way slab in the traditional system. Meanwhile, the connections in both the longitudinal and transverse directions may need to accommodate the negative moments. Compared to those in the traditional system, the longitudinal nominal stress at middle span increases a lot in the new deck system and the effective flange width varies significantly. In addition, the dynamic results show that the impact factor is influenced by the spacing of connections. Finally, some design concerns of the new deck system are proposed.
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KeywordsSimplified full-depth precast concrete deck panel systems   Accelerated bridge construction   Structural response     
Received 2016-03-03;
Corresponding Authors: Yulin Zhan,yulinzhan@swjtu.edu.cn     Email: yulinzhan@swjtu.edu.cn
Cite this article:   
Zhongguo John Ma, Yulin Zhan, Lin Xiao, Lungui Li, Weiwei Lu.Simplified full-depth precast concrete deck panel systems for accelerated bridge construction[J]  JMT, 2016,V24(4): 251-260
URL:  
http://jmt.swjtu.edu.cn/EN/10.1007/s40534-016-0118-2      or     http://jmt.swjtu.edu.cn/EN/Y2016/V24/I4/251
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