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Study on Additional Brake Force of Continuously Welded Rail on High-speed Railway Bridge
Author(s): 
Pages: 18-20,56
Year: Issue:  2
Journal: Underground Engineering and Tunnels

Keyword:  高速铁路 桥上无缝线路 制动荷载 纵向附加力 制动力 三维空间力学模型;
Abstract: 制动荷载是高速铁路桥梁的重要荷载,但高速列车在双线高速铁路桥梁上单向或双线对向制动时,制动荷载并不具有对称性,而双线高速铁路整孔箱形梁具有很强的空间性,平面力学模型不能很好反映上述工况,有着很大的局限性。本文在吸收专家研究成果的基础上,建立了梁轨相互作用三维有限元空间力学模型,并用该模型对高速列车在桥上不同制动工况下引起的制动附加力进行了较详细的研究。
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