基于MARC模型的改扩建新旧路基差异沉降数值模拟分析

 

  1,路  2

1.陕西省高速公路建设集团公司,陕西 西安 710065

2.西安公路研究院,陕西 西安 710065

  要:本文依托西部某已建高速公路改扩建工程,基于MARC有限元模型计算分析,通过计算分析不同填高时旧路路基顶面的沉降、填高不同时新旧地基表面的沉降、填高不同时地基表面不同位置以及新旧路基坡脚在不同地基深度处的水平位移,得出相应结论。

关键字:改扩建;新旧路基;路基沉降;有限元模拟;力学计算;数值分析

中图分类号:U 412        文献标识码:A

Numerical Analysis of Differential Settlement of the New and Existing Reconstrution Subgrade Based on MARC Model

HAN Te1LU Xin2

1. Shaanxi Provincial Expressway Construction GroupXi’an 710065China 2.Xian Highway Research InstituteXi’an 710065China

Abstract: Relying on a western highway expansion project has been built, based on MARC finite element model, the calculation and analysis was conducted ofold road subgrade settlement of top surface, the new and old road subgrade settlement of ground surface, the horizontal displacement of ground surface and new and old road embankment toe at different depths Foundation. Then corresponding conclusions was obtained.

Keywords: ReconstrutionThe new and existing subgradeSubgrade settlementFinite element simulationMechanical analysisNumerical analysis