基于路基沉降变形规律的预测新模型及其应用
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国家林业局昆明勘察设计院,国家林业局昆明勘察设计院,中国电建集团贵阳勘测设计研究院有限公司,中交武汉港湾工程设计研究院有限公司,中国科学院山地灾害与地表过程重点实验室

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U4

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Based On The Prediction of Subgrade Settlement Deformation Law of New Model And Its Application
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China Forest Exploration Design Institute in Kunming,Hydro China Guiyang Engineering Co,Ltd,Cccc#$NBSWuHan#$NBSHarbour#$NBS Engineering#$NBS Design#$NBSand#$NBSResearch#$NBSCo,Ltd Wuhan,

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    摘要:

    针对山区高速公路路基沉降变形规律复杂而难以预测的实际情况,通过整理大量现场试验监测数据,深入探讨不同工况条件下路基沉降变形发展趋势,总结得出其变形发展规律。在此基础上,基于指数函数曲线模型,提出了DR曲线预测新模型,并运用数值分析方法,结合实际工程实例与泊松曲线、Logistic曲线的预测结果进行对比,其结果表明:DR曲线预测模型精度更高,能更好的适应实际情况的变化,为山区高速公路路基沉降发展预测提供了一种有效而实用的方法,具有一定的工程实用价值。

    Abstract:

    For mountainous expressway subgrade settlement deformation rules of the complex and difficult to predict the actual situation by organizing a large number of field monitoring data, in-depth discussion on development trend of subgrade settlement deformation under different working conditions, sum up the deformation law of development. On this basis, based on the exponential curve model,DR curve forecast model is proposed, through numerical analysis method, combined with practical engineering examples, the Logistic curve with poisson curve prediction results were compared. The results show that DR curve forecast model has higher precision and can better adapt to the changing situation and Development forecast of subgrade settlement of expressway in Mountain Area provides an effective and practical method, the project has a certain practical value.

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徐卫平,刘昆赟,彭 浩,等. 基于路基沉降变形规律的预测新模型及其应用[J]. 科学技术与工程, 2016, 16(25): .
XU Weiping, LIU Kunyun, Peng Hao, et al. Based On The Prediction of Subgrade Settlement Deformation Law of New Model And Its Application[J]. Science Technology and Engineering,2016,16(25).

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历史
  • 收稿日期:2016-03-30
  • 最后修改日期:2016-08-22
  • 录用日期:2016-06-01
  • 在线发布日期: 2016-09-09
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