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隧道建设(中英文) ›› 2013, Vol. 33 ›› Issue (6): 462-468.DOI: 10.3973/j.issn.1672-741X.2013.06.007

• 研究与探索 • 上一篇    下一篇

基于蚁群算法的地铁隧道沉降预测研究

陈喜凤1, 刘岭2, 黄腾1   

  1. (1. 河海大学地球科学与工程学院, 江苏 南京 210098; 2. 浙江省电力设计院, 浙江 杭州 310012)
  • 收稿日期:2013-02-20 修回日期:2013-04-02 出版日期:2013-06-20 发布日期:2013-07-25
  • 作者简介:陈喜凤(1988—),女,河北保定人,河海大学在读硕士,主要研究方向为地铁隧道变形监测及数据处理及精密工程测量等。

Study on Settlement Prediction of Metro Tunnels Based on Ant Colony Algorithm

CHEN Xifeng1, LIU Ling2, HUANG Teng1   

  1. (1. School of Earth Sciences and Engineering, HoHai University, Nanjing 210098, Jangsu, China; 2. Zhejiang Electric Power Design Institute, Hangzhou 310012, Zhejiang, China)
  • Received:2013-02-20 Revised:2013-04-02 Online:2013-06-20 Published:2013-07-25

摘要:

紧邻大型深基坑的地铁隧道因影响因素极其复杂,难以准确预测其沉降变形,以致无法较早判定隧道的安全状况,亦无法根据其变形信息及时、有效地指导基坑施工。针对这一问题,立足TSP基本蚁群算法模型,结合地铁隧道沉降变形实际,在确定模型路径选择机制的基础上,通过合理构建信息函数和启发函数,确立信息素更新机制以及蚂蚁搜索机制,最终建立了地铁隧道沉降预测的蚁群算法模型,并用实例验证了模型的预测效果,为运营中的地铁隧道特别是紧邻大型基坑的地铁隧道沉降预测开辟了一条新的途径。

关键词: 蚁群算法, 地铁隧道, 沉降预测, 路径选择, 信息函数, 启发函数

Abstract:

Due to the extremely complex factors, it is very difficult to predict the settlement and deformation of Metro tunnels close to largescale deep foundation pits. Therefore, it is impossible to determine the safety conditions of the Metro tunnels and it is also impossible to provide guidance for the construction of the foundation pits. Ant colony algorithm model is established on basis of TSP basic ant algorithm model, actual settlement and deformation of Metro tunnels, determination of the path of the ant colony algorithm model, establishment of information function and heuristic function, and determination of pheromone updating mechanism and antsearching mechanism, so as to predict the settlement of Metro tunnels. The effect of the ant colony algorithm model is validated in engineering cases. The ant colony algorithm model provides a new way for the prediction of the settlement of operating Metro tunnels, especially those close to largescale deep foundation pits.

Key words: ant colony algorithm, Metro tunnel, settlement prediction, path selection, information function, heuristic function