东湖特大桥提篮拱施工过程仿真分析  

Analysis of Simulation on the Construction Process of Donghu Basket Arch Bridge

作　　者：金文成[1,2] 怀臣子[1,2] 张艳成[1,2] 程志强[3] 

机构地区：[1]华中科技大学土木工程与力学学院控制结构湖北省重点实验室,湖北武汉430074 [2]华中科技大学控制结构湖北省重点实验室,湖北武汉430074 [3]中铁十八局集团第五工程有限公司,天津300450

出　　处：《华中科技大学学报（城市科学版）》2009年第4期15-19,共5页Journal of Huazhong University of Science and Technology

摘　　要：东湖特大桥提篮拱是高速铁路客运专线上的一座钢管混凝土拱桥,利用刚性系梁抵抗拱的水平推力,为自架设体系。施工过程中,桥梁强度和刚度逐步组合形成,结构体系发生变化。本文结合施工仿真分析方法,详细模拟钢管混凝土提篮拱桥的施工过程,分析施工过程中结构的变形、受力和稳定性情况,为其提供计算依据,保证施工的顺利进行。Donghu concrete-filled steel tubular （CFST） basket arch bridge on the passenger dedicated highspeed railway is a self-erection system structure, with rigid girder to balance the level force that results from arch. The construction of the bridge is divided into many working procedures, in which the structural stiffness is gradually formatted. With the process of construction, the structural system would be changed. Based on methods of analysis of simulation on construction process, a complete, detailed full-bridge model was established, considering the whole process of construction. This paper, focusing on the deformation, mechanical behaviors and stability of structure in every stage of construction, provided a scientific basis and guaranteed the safety and quality of the construction.

关 键 词：钢管混凝土提篮拱 施工过程 仿真分析 有限元 

分 类 号：U441[建筑科学—桥梁与隧道工程]