| 混凝土肋式转向装置力学性能 |
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| 引用本文： | 杨明,黄侨,荣学亮.混凝土肋式转向装置力学性能[J].哈尔滨工业大学学报,2011,43(10):119-123. |
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| 作者姓名： | 杨明 黄侨 荣学亮 |
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| 作者单位： | 东南大学交通学院;哈尔滨工业大学交通科学与工程学院;东南大学交通学院;哈尔滨工业大学交通科学与工程学院;哈尔滨工业大学交通科学与工程学院 |
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| 基金项目： | 国家自然科学基金资助项目(51078078);交通部西部科技项目(200538181215) |
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| 摘 要： | 针对波纹钢腹板体外预应力箱梁结构的力学和构造特点，采用有限元分析与实验研究相结合的方法，研究用于波纹钢腹板体外预应力箱梁的混凝土肋式转向装置的承载机理、受力特点、破坏形态、极限承载力等力学特性．采用非线性有限元方法对结构从加载开始直至破坏的受力全过程进行了模拟分析，并用实验对有限元分析的结果进行验证，二者吻合良好．结果...
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| 关 键 词： | 波纹钢腹板 体外预应力箱梁 混凝土肋式转向装置 力学性能 |
Mechanical characters of concrete rib deviator |
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| YANG Ming,HUANG Qiao and RONG Xue-liang.Mechanical characters of concrete rib deviator[J].Journal of Harbin Institute of Technology,2011,43(10):119-123. |
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| Authors: | YANG Ming HUANG Qiao and RONG Xue-liang |
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| Affiliation: | School of Transportation,Southeast University,210096 Nanjing,China; School of Transportation Science and Engineering,Harbin Institute of Technology,150090 Harbin,China);School of Transportation,Southeast University,210096 Nanjing,China; School of Transportation Science and Engineering,Harbin Institute of Technology,150090 Harbin,China);School of Transportation Science and Engineering,Harbin Institute of Technology,150090 Harbin,China) |
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| Abstract: | According to the mechanical and structural characters of externally prestressed box girder with corrugated webs,the mechanical performance,such as load bearing mechanism,mechanical characters,damage form and ultimate load capacity of concrete rib deviator used in externally prestressed box girder with corrugated webs is studied using FEA(Finite Element Analysis) and experimental methods.The experimental and FEA results fit each other well.The research indicates that the local influence in concrete flange caused by deviator concentrates in the joints of deviator and concrete flange and the nearby location.When the deviator damages,the tensional concrete cracks and the round reinforcements yield and compressional concrete splits.The compressional concrete shows obvious characteristics of eccentric compression member.The conclusion of this paper may be helpful for designers in designing deviators of externally prestressed box girder with corrugated webs. |
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| Keywords: | corrugated webs externally prestressed box girder concrete rib deviator mechanical characters |
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