【作者】 吴瑞麟； 彭前程； 张帆； 简晓波； 吴贤国； 车丽彬；

【Author】 Wu Ruilin1, Peng Qiancheng1, Zhang Fan2, Jian Xiaobo1, Wu Xianguo1, Che Libin3(1. School of Civil Eng. & Mechanics, HUST, Wuhan 430074, China;2.Wuhan Jianxing Construction of Infrastructural Facilities Co., Ltd., Wuhan 430015,China;3.Wuhan Municipal Engineering Design & Research Institute Co., Ltd , Wuhan 430015, China)

【机构】 华中科技大学土木工程与力学学院； 武汉市建兴基础设施建设有限公司； 武汉市市政工程设计研究院；

【摘要】 采用ADINA非线性有限元分析软件,对土工格栅处理武黄高速公路武汉市三环线共线段拓宽路堤变形和应力进行仿真计算和分析,对土工格栅处理拓宽路堤不均匀变形的作用效果进行分析,表明土工格栅对减小路堤不均匀竖向附加变形、侧向位移以及基底不均匀附加应力有显著效果,同时,为了检验仿真效果,进行工后路堤变形跟踪观测,对2、4、6m高路堤分别布置沉降观测点,利用实际观测结果对计算模型进行验证和修正。更多还原

【Abstract】 The paper uses nonlinear finite element software —ADINA to do emulation analysis on treating uneven settlement of widening roadbed of mutual segment of Wuhan-Huangshi highway and the third annular urban road of Wuhan with geogrids. Paper studies the effect of treating uneven settlement of widening roadbed with geogrids. Conclusions of analysis show that the effect of treating with geogrids is prominent in reducing uneven settlement of widening roadbed, horizontal displacement and additional uneven stress at the bottom of roadbed Conclusions of analysis provide theoretic foundations for widening road designing. The writer will keep observing on the settlement of the roadbed after construction to verify the effect of emulation and dispose settlement observation points along the transects of 2m,4m,6m height roadbeds. Then the emulation model will be validated and be modified .It get together experiences for applying this method to similar projects, and the data of observation can be used in the further studies.更多还原