交通运输工程学报
JOURNAL OF TRAFFIC AND TRANSPORTATION ENGINEERING
2005 Vol.5 No.3 P.36-40,59


桥台后高填方路堤工后沉降影响因素分析

刘萌成  黄晓明  陶向华 

摘 要:为了揭示桥台后高填方路堤工后沉降的影响因素,应用ABAQUS有限元程序建立了沿桥台纵向的平面应变计算模型,对回填材料进行了相关参数的沉降敏感性分析.高等级公路沉降实测结果与数值计算结果的对比分析表明,模型的计算结果能反映实际工况下路堤沉降的变化规律,可合理预测高填土路堤实际变形特征,弹性模量、渗透系数、容重、施工间歇期是影响近桥台处路堤工后沉降的主要因素,建议回填设计中应通过综合提高回填材料力学性能与改善施工方法的手段来达到减轻桥台后跳车的目的.
关键词:道路工程;高填方路堤;有限元分析;工后沉降;参数分析
分类号:U416.1  文献标识码:A

文章编号:1671-1637(2005)03-0036-05

Influence factors on post-construction settlement of high backfills adjacent to abutment

Liu Meng-cheng  Huang Xiao-ming  Tao Xiang-hua 

基金项目:国家西部交通建设科技项目(2002 318 000 32)
作者简介:刘萌成(1972-),男,江西樟树人,东南大学博士研究生,从事路基路面材料研究.86-25-83791654, mcliu2002@163.com.
作者单位:刘萌成(东南大学,交通学院,江苏,南京,210096) 
     黄晓明(东南大学,交通学院,江苏,南京,210096) 
     陶向华(东南大学,交通学院,江苏,南京,210096) 

参考文献:

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收稿日期:2005年1月12日

出版日期:2005年9月30日

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