隧道主动支护体系全过程信息化动态设计与智能决策方法研究  

Research on Dynamic Design and Intelligent Decision-making Method for Whole Process Informatization of Tunnel Active Support System

作　　者：田四明 李术才[3] 刘大刚[4,5] 王明年[4,5] TIAN Siming;LI Shucai;LIU Dagang;WANG Mingnian(School of Qilu Transportation,Shandong University,Jinan 250061,China;China Railway Economic and Planning Research Institute,Beijing 100038,China;Shandong University,Jinan 250061,China;School of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,China;Key Laboratory of Transportation Tunnel Engineering,Ministry of Education,Southwest Jiaotong University,Chengdu 610031,China)

机构地区：[1]山东大学齐鲁交通学院,山东济南250061 [2]中国铁路经济规划研究院有限公司,北京100038 [3]山东大学,山东济南250061 [4]西南交通大学土木工程学院,四川成都610031 [5]西南交通大学隧道工程教育部重点实验室,四川成都610031

出　　处：《铁道学报》2023年第11期1-10,共10页Journal of the China Railway Society

基　　金：国家重点研发计划(2021YFB2300605);中国铁路总公司科技研发计划(P2018G048)。

摘　　要：隧道支护体系全过程信息化动态设计,是真正体现隧道设计施工一体化的理想设计方式。针对传统支护设计存在的针对性不强、统一性不高、安全冗余度偏大等问题,利用信息化、智能化等手段,研究支护体系全过程信息化动态设计与智能决策方法技术路线及关键内容。首先,给出涵盖地质、支护、施工等全过程全要素信息的样本数据库构建方法;其次,综合对比分析Bagging、Random Forest、Extra Trees等6种机器学习算法模型的适用性,明确智能设计决策算法优选类型;再次,提出基于支护变形指标的支护结构安全度量化评价方法;最后,制定支护优化智能决策反馈规则。研究结果为隧道支护体系全过程信息化动态设计与智能决策真正进入工程应用奠定了基础。The full process information dynamic design of tunnel support system is an ideal design method that truly reflects the integration of tunnel design and construction.Aiming at the problems existing in the traditional support design,such as weak pertinence,low unity,and excessive safety redundancy,this paper studied the technology roadmap and key contents of the whole process information dynamic design and intelligent decision-making method of the support system by means of informatization and intelligence.Firstly,a sample database construction method was provided covering the entire process of geology,support,construction,and other essential information.Secondly,a comprehensive comparative analysis was conducted on the applicability of six machine learning algorithm models,including Bagging,Random Forest,and Extra Trees,to clarify the optimal types of intelligent algorithm models.Thirdly,a quantitative evaluation method was proposed for the safety of support structures based on support deformation indicators.Finally,intelligent decision feedback rules were developed for support optimization.The above research results have laid the foundation for the engineering application of full process information dynamic design and intelligent decision-making of tunnel support system.

关 键 词：隧道工程 主动支护体系 信息化动态设计 智能决策 安全性评价 

分 类 号：U25[交通运输工程—道路与铁道工程]