JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2016, Vol. 46 ›› Issue (6): 113-119.doi: 10.6040/j.issn.1672-3961.0.2016.137

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Model test of the Beipan River's new open-web continuous rigid frame bridge corner node

PENG Yuancheng1, DONG Xu2*, LIANG Na3, DENG Zhenquan2   

  1. 1. CCCC Second Highway Consultant Co. LTD, Wuhan 430057, Hubei, China;
    2. Geotechnical and Structural Engineering Research Center, Shandong University, Jinan 250061, Shandong, China;
    3. Shandong Bureau of Quality and Technical Supervision Information Center, Jinan 250002, Shandong, China
  • Received:2016-04-26 Online:2016-12-20 Published:2016-04-26

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Abstract: In order to investigate mechanical performances of open-web continuous rigid frame bridge corner node, 1∶5 scaled model test girder was designed. Through the static load test, the static data acquisition instrument and deflection measurement sensors were used to measure the strain and deflection of model test girders under cantilever state. The finite element analysis(FEA)numerical model of test girder had been conducted, and numerical results were compared with test results. The results showed that, the corner nodes of open-web continuous rigid frame bridge had mechanical properties that were different from those of conventional slant-legged rigid frame bridge. The longitudinal top plates of model girder were subjected to pressure stress. Corner node region was under so high local stress that must be strengthened during design process. Shear lag effect also existed in the corner node model. Numerical simulation results were basically in accord with test data. This research revealed the mechanical performances of open-web continuous rigid frame bridge corner node, and verified the feasibility of numerical simulation, and provided a theoretical guild for same 山 东 大 学 学 报 (工 学 版)第46卷 - 第6期彭元诚,等:北盘江新型空腹式连续刚构桥角隅节点模型试验研究 \=-type bridge corner node design.

Key words: bridge engineering, open-web continuous rigid-frame, mechanical performances, corner node, experimental research, numerical simulation

CLC Number: 

  • U448.23
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