Application of improved genetic algorithm to optimization of grouting curtain of dam foundatio

CUI Wen-juan; CHAI Jun-rui; XU Zeng-guang; WU Mei-hua

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Application of improved genetic algorithm to optimization of grouting curtain of dam foundatio

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- Application of improved genetic algorithm to optimization of grouting curtain of dam foundatio
- Vol. 29, Issue 12, (2008)
- 作者机构：
  
  1. 河南黄河勘测设计研究院,郑州,450003
  2. 西安理工大学水电学院,西安,710048
  3. 三峡大学土木水电学院,宜昌,443002
- 作者简介：
- 基金信息：
- DOI：
  CLC： TV543
- Online First：11 August 2013，
  
  Published：2008
- 稿件说明：
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CUI Wen-juan, CHAI Jun-rui, XU Zeng-guang, et al. Application of improved genetic algorithm to optimization of grouting curtain of dam foundatio[J]. 2008, 29(12).
DOI：

CUI Wen-juan, CHAI Jun-rui, XU Zeng-guang, et al. Application of improved genetic algorithm to optimization of grouting curtain of dam foundatio[J]. 2008, 29(12). DOI：

摘要

以一般基岩上的混凝土重力坝为例，采用改进的遗传算法对坝基有排水时的帷幕灌浆参数组合进行优化研究。根据帷幕的厚度进行单元网格剖分，用有限元数值方法计算渗流场，以坝基渗流量、坝基渗透压力和幕体本身的最大水力坡降不超过允许值为约束条件，以帷幕的工程造价最小为目标函数建立优化设计数学模型，寻找一般情况下的帷幕参数的最优组合，为工程设计提供参考依据。

Abstract

Taking a concrete gravity dam on common rock foundation for example

the curtain parameters of dam are studied by the improved genetic algorithm. Based on the depth of the curtain ploted out element and calculated by finite elements. The mathematical model of optimizing design is established according to the allowable seepage discharge

seepage pressure of dam foundation and the maximum hydraulic gradient of the curtain

the minimum cost of the grouting curtain regarded as objective function. Finally

the optimum combination of the curtain parameters is identified

for saving engineering investment.

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