论文部分内容阅读
文章基于典型的低路堤路基路面体系设计,利用大型有限元ABAQUS,计算分析并对比了考虑软土流变特性和交通荷载的作用,不考虑交通荷载的作用,不考虑软土流变特性,不考虑流变和荷载的作用以及考虑静荷载的作用这5个不同方面的软土路基的沉降变形特性。结果表明,交通荷载和软土流变特性对道路沉降的影响不可忽视,它们引起的沉降分别约占总沉降20%和30%,交通荷载在低路堤下软土地基中有效影响深度约为6.5m;静荷载能引起道路沉降,约占总沉降的10%,但不如交通荷载引起的沉降大,大约是交通荷载引起的道路沉降的1/3~1/4。
Based on the design of typical low embankment embankment pavement system, using the large finite element method ABAQUS, the effects of considering the rheological properties of soft soil and traffic load are analyzed and compared. The effects of traffic load are not considered, the rheological properties of soft soil are not considered, Considering the role of rheology and load and the effect of static load on the settlement of five different aspects of soft soil subgrade deformation characteristics. The results show that the influence of traffic load and soft soil rheology on road settlement can not be neglected. The settlement caused by them is about 20% and 30% of the total settlement, respectively. The effective influence of traffic load on soft soil foundation under low embankment is about 6.5 The static load can cause road settlement, accounting for about 10% of the total settlement, but not as large as the settlement caused by traffic load, which is about 1/3 ~ 1/4 of the road settlement caused by traffic load.