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本文以某段公路扩建工程中所使用的双面加筋挡土墙结构为基础,通过有限元模型对这一挡土墙的受力特征实施了模拟数值分析,利用Drucker-prager模型,实施了非线性的土体材料模拟分析,并对墙背侧向土压力和拉筋拉力的分布情况进行了深入研究,分析结果表明,工程现场测试值与有限元模型分析结果之间一致性较好,因此,这一挡土墙在工程施工中具有较高的应用价值。
Based on the double-sided reinforced retaining wall structure used in some highway expansion project, the finite element model is used to simulate the force characteristics of the retaining wall and the Drucker-Prager model is used to implement The nonlinear soil material simulation analysis is carried out. The distribution of earth pressure and tensile force on the dorsal side of the wall is deeply studied. The analysis results show that there is good agreement between the field test values and the finite element model analysis results, Therefore, this retaining wall has a high application value in construction.