【作者】 杨庆刚； 黄晓明； 廖公云； 顾长存；

【Author】 Yang Qinggang, Huang Xingming, Liao Gongyun, Gu Changcun(College of Transportation Engineering, Southeast University, Nanjing 210096; Research Institute of Geotechnical Engineering, Hohai University, Nanjing 210098)

【机构】 东南大学交通学院； 河海大学岩土工程研究所；

【摘要】 土工格栅作为一种新型的土工合成材料,由于具有高强度、低延伸率等特点而被选作主要的路基加筋材料,在路堤或路基中合适位置加入七工格栅能有效的减少路基的工后沉降、不均匀沉降及侧向位移。本文采用通用非线性有限元ABAQUS程序分析了土工格栅加筋和未加筋时路基的竖向位移和侧向位移,计算结果表明加筋效果明显,此研究结论对软土地基的加筋处理有借鉴意义。更多还原

【Abstract】 Geogird is a new kind of geosynthetics which are chosen to act as the main type of reinforcements in the reinforced embankment owing to its high strength, low elongation. It is shown that geogrid can effectively reduce post - settlement, differential settlement and lateral deformation at the appropriate position in the embankment or subgrade. Adopting the general - purpose non - linear finite element program ABAQUS, vertical settlement and horizontal displacement of reinforced subgrade and no reinforced subgrade are analyzed in this paper. It is shown that reinforcement can significantly reduce vertical settlement and lateral displacement. These conclusions may be useful to the design and analysis of soft soil ground reinforcement.更多还原