两款水泥混凝土路面结构有限元分析软件接缝模拟技术比较  

Comparison of Joint Simulation Techniques Betweentwo Finite Element Analysis Programs for Cement Concrete Pavement Structure

作　　者：武琨璐 蒋鑫[1,2,3] 古含焱 Babiker Lana Elabbas Abdelhaliem 付用国 邱延峻[1,2,3] WU Kunlu;JIANG Xin;GU Hanyan;Babiker Lana Elabbas Abdelhaliem;FU Yongguo;QIU Yanjun(School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China;Highway Engineering Key Laboratory of Sichuan Province, Southwest Jiaotong University, Chengdu 610031, China;MOE Key Laboratory of High-speed Railway Engineering, Southwest Jiaotong University, Chengdu 610031, China)

机构地区：[1]西南交通大学土木工程学院,成都610031 [2]西南交通大学道路工程四川省重点实验室,成都610031 [3]西南交通大学高速铁路线路工程教育部重点实验室,成都610031

出　　处：《交通科技》2021年第3期52-57,共6页Transportation Science & Technology

基　　金：四川省科技计划项目(2019YF50492)资助。

摘　　要：为研究有限元软件模拟水泥混凝土路面结构接缝受力及传荷的方法,基于线性弹簧模型,文中选取KENSLABS和FEAFAA两款典型的路面结构力学分析专业软件,基于各自模拟接缝的基本原理,从接缝相关参数输入、模型计算求解和结果后处理等方面开展横向比较,依托具体算例,讨论二者计算结果的差异及原因,提出以上两款软件各自的适宜应用条件和注意事项。研究结果表明,两款软件均能较好地模拟接缝传荷,并具有各自的优势和局限。In order to investigate the joint simulation techniques of cement concrete pavement structure by finite element software,based on linear spring model,KENSLABS and FEAFAA were selected as two typical professional software packages for pavement structural mechanics analysis in this paper.Their basic principles of joint simulation were introduced and the parallel comparison was carried out from the aspects of relevant parameters input,calculation solution of model and post-processing of results.According to a specific example,the differences of calculation results were discussed and the appropriate application conditions and points for attention were put forward for these two software products respectively.The results show that the two software products have their own advantages and limitations in calculating the load transfer capacity of joints.It is helpful to the rational selection and research and development of professional analysis tools.

关 键 词：水泥混凝土路面 接缝传荷 线性弹簧模型 有限单元法 KENSLABS FEAFAA 

分 类 号：U416.216[交通运输工程—道路与铁道工程]