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福建沿海3个盆地的土层剪切波速与深度的统计关系

董菲蕃, 陈国兴, 金丹丹

董菲蕃, 陈国兴, 金丹丹. 福建沿海3个盆地的土层剪切波速与深度的统计关系[J]. 岩土工程学报, 2013, 35(zk2): 145-151.
引用本文: 董菲蕃, 陈国兴, 金丹丹. 福建沿海3个盆地的土层剪切波速与深度的统计关系[J]. 岩土工程学报, 2013, 35(zk2): 145-151.
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DONG Fei-fan, CHEN Guo-xing, JIN Dan-dan. Statistical relation between shear wave velocity and depth of soils in three basins in coastal area of Fujian province[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk2): 145-151.
Citation: DONG Fei-fan, CHEN Guo-xing, JIN Dan-dan. Statistical relation between shear wave velocity and depth of soils in three basins in coastal area of Fujian province[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk2): 145-151.
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福建沿海3个盆地的土层剪切波速与深度的统计关系  English Version

  • 1. 南京工业大学岩土工程研究所,江苏 南京 210009; 2. 江苏省土木工程防震技术研究中心,江苏 南京 210009

基金项目: 国家科技支撑计划项目（2009BAK55B00）
详细信息
    作者简介:

    董菲蕃(1987- )，女，硕士研究生，主要研究场地地震效应。E-mail: dffnjut@126.com。

  • 中图分类号: TU43

Statistical relation between shear wave velocity and depth of soils in three basins in coastal area of Fujian province

  • 1. Institute of Geotechnical Engineering, Nanjing University of Technology, Nanjing 21009, China; 2. Civil Engineering ＆ Earthquake Disaster Prevention Center of Jiangsu Province, Nanjing 21009, China

摘要

    摘要
  • 摘要: 土体剪切波速是工程场地地震安全性评价和地震小区划工作需涉及的重要参数之一。以福建沿海的福州,泉州,漳州3个盆地为研究对象,基于大量剪切波速实测资料,得到各盆地土体等效剪切波速的空间分布特征：①泉州盆地等效剪切波速整体大于福州、漳州两个盆地；②福州盆地等效剪切波速呈现出闽江沿岸地区较小的分布特征。基于最小二乘法的拟合结果,福州、漳州盆地的土层剪切波速随深度的变化呈线性关系,泉州盆地则呈二次多项式的非线性关系,并推荐了其拟合参数；拟合公式预测的场地不同深度处土层的剪切波速值,与场地的实测剪切波速值基本吻合,可为该地区无剪切波速实测值的场地提供较好的参考依据。
    Abstract: The shear wave velocity of soils is one of the most important parameters to evaluate the seismic safety of engineering sites and seismic micro-zoning work. The spatial distribution characteristics of the equivalent shear wave velocity of the three basins are analyzed based on the measured data of shear wave velocity from lots of boreholes in Fuzhou basin, Quanzhou basin and Zhangzhou basin in the coastal area of Fujian province. The analysis shows that: (1) the equivalent shear wave velocity of Quanzhou basin as a whole is greater than that of Fuzhou and Zhangzhou basins; (2) the equivalent shear wave velocity of areas along Minjiang River is smaller than that of other regions in Fuzhou basin. Based on the results of the least squares methods, the variation of the shear wave velocity of both Fuzhou and Zhengzhou basins with depth can be fitted by linear formula, however, that of the shear wave velocity of Quanzhou basin with depth presents a nonlinear relationship and can be fitted by quadratic polynomial. Moreover, the fitting parameters are recommended. And the shear wave velocity at some real sites in the three basins is predicted using the fitting equations and compared with the measured data. The comparisons show that it can predict well by the fitting equations. Thus, it may provide reference for the forecast of shear wave velocity at those sites without the test data in Fujian area.
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    • 参考文献(11)
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出版历程
  • 收稿日期:  2013-06-05
  • 发布日期:  2013-11-24

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