整体桥Z形引板受力性能有限元分析

Finite Element Analysis of Stress Performance of Integral Bridge Z-shaped Approach Plate

为研究深圳马峦山整体桥Z形引板的受力性能,采用有限元分析软件ABAQUS建立Z形引板分析模型,并与试验结果进行对比,研究不同参数对Z形引板的受力性能的影响,同时分析了引板对路面平整度的影响。分析结果表明:通过改变Z形引板斜板倾角值可改善引板的工作性能;任意斜板倾角的Z形引板受到纵桥向单向推位移时,远台端路面坡度变化满足高速公路路面平整度要求。有限元分析结果可为整体桥Z形板设计提供一定的参考。

In order to study the stress performance of integral bridge Z-shaped approach plate in Maluan Mountain of Shenzhen;the analysis model of Z-shaped approach plate is established by the finite element analysis software ABAQUS.The comparison is carried out with the experimental results.The influences of the different parameters on the stress performance of Z-shaped approach plate are studied and the influence of approach slab in pavement evenness is analyzed.The analysis results show that the working performances of the approach slab can be improved through the change of the inclined plate angle of Z-shaped approach plate.The change of pavement slope at the far end can satisfy the requirements of expressway pavement evenness when Z-shaped approach plate with arbitrary angles of inclined plate is pushed by the longitudinal bridge in one direction.The results of finite element analysis can provide some references for the design of integral bridge Z-shaped plate.