The Finite Element Analysis of the Differential Settlement Prediction for the Adjacent Longitudinal Precast Box Culvert

Zenagebriel Gebremedhn, Jilong Li, Guofu Qiao
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引用次数: 1

Abstract

This paper presents the finite element analysis of the differential settlement prediction for the adjacent longitudinal precast box culvert and subject to different loading conditions including different loading area. These culverts were investigated based on the finite element method was used to analyze the numerical solution of the problems under the condition of assembled of the standard three dimensional adjacent box culvert with beneath soil, side soil and floor reaction under different loading conditions and loading areas. It is located on right side soil of box culvert concerning to settlement which is using brick element in ABAQUS software. The culvert, floor reaction and soil were modeled using standard parameters of three dimensional solid geometric and material linearity. Finally, the settlement foundation was predicted using the finite element modeling and analysis, the screw bolt constraint is equivalent to the binding contact (tie constraint) so that the screw bolt connection has a negative impact on the performance of the side wall of adjacent longitudinal box culvert specifically if there is a settlement occurred.
相邻纵向预制箱涵差分沉降预测的有限元分析
本文对相邻纵向预制箱涵在不同荷载条件下(包括不同荷载区域)的差分沉降预测进行了有限元分析。采用有限元法对标准三维相邻箱形涵在不同荷载条件和荷载区域下的下土、侧土和底板反力组合问题进行了数值求解。在ABAQUS软件中采用砖单元对箱涵进行沉降处理,将其定位在箱涵右侧土体上。采用三维实体几何线性和材料线性的标准参数对涵洞、底板反作用力和土体进行了建模。最后,利用有限元建模分析对沉降基础进行预测,螺杆约束等效于约束接触(绑扎约束),使得相邻纵箱涵发生沉降时,螺杆连接对侧壁性能产生负面影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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