Back analysis of initial seepage field of complex dam foundation at Shuangjiangkou Hydropower Station

MAO Xin-ying; PAN Shao-hua; BAI Zheng-xiong

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Back analysis of initial seepage field of complex dam foundation at Shuangjiangkou Hydropower Station

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- Back analysis of initial seepage field of complex dam foundation at Shuangjiangkou Hydropower Station
- Vol. 29, Issue S1, (2008)
- 作者机构：
  
  武汉大学水资源与水电工程科学国家重点实验室,武汉,430072
- 作者简介：
- 基金信息：
- DOI：
  CLC： TV223.4
- Online First：15 April 2016，
  
  Published：2008
- 稿件说明：
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MAO Xin-ying, PAN Shao-hua, BAI Zheng-xiong. Back analysis of initial seepage field of complex dam foundation at Shuangjiangkou Hydropower Station[J]. 2008, 29(S1).
DOI：

MAO Xin-ying, PAN Shao-hua, BAI Zheng-xiong. Back analysis of initial seepage field of complex dam foundation at Shuangjiangkou Hydropower Station[J]. 2008, 29(S1). DOI：

摘要

采用正交试验方案和ν-SVR相结合的直接法来解决复杂坝基的初始渗流场反分析问题。通过安排正交数值试验，获取初始渗流场全面的信息，并用ν-SVR向正交试验的样本学习测孔水位和各参数之间的关系，从而建立各参数和测孔水位之间隐式表达式，用此表达式代替正算程序，经过优化最终获得最优初始渗流场。经过工程实例验证，该方法能适应非线性复杂岩土问题且具有高效性。

Abstract

The problem of back analysis of initial seepage field is solved by direct method based on orthogonal test and ν-SVR. By orthogonal test

the general information of initial seepage field is obtained; ν-SVR is used to study the relationship between water level and parameters; the connotative expression between them is established and used to substitute for FEM program; finally

optimal initial seepage field is obtained. Through engineering example study it

is proved that the method is efficient and suitable for solving nonlinear complicated problems of rock and soil.

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