复杂地质特长深埋水工隧洞智能化施工关键技术研究  

Study on Key Intelligent Construction Technologies of Super-long and Deepburied Hydraulic Tunnels under Complex Geological Conditions

作　　者：郝俊锁[1] HAO Junsuo(China Railway 18 Bureau Group Second Engineering Co.,Ltd.,Tangshan 064000)

机构地区：[1]中铁十八局集团第二工程有限公司,唐山064000

出　　处：《现代隧道技术》2021年第6期188-196,共9页Modern Tunnelling Technology

摘　　要：为解决水工隧洞穿越多种复杂地质条件下的施工难题,文章以滇中引水工程狮子山隧洞工程为依托,通过现场勘察和监测等方法,深入分析狮子山隧洞施工中主要存在的工程地质问题和施工组织难点,提出智能化施工关键技术,得出以下结论:(1)为满足“特长、高风险、多工作面”隧洞采用钻爆法快速施工的需要,从工法选择、机械配套、地质预报、施工灾害监测、有害气体监测与施工通风等方面着手,通过机械化、自动化、信息化实现安全、快速、高效施工;(2)通过对高风险源精准预测预报,采取针对性技术措施,应用智能化监测手段,建立信息化预警机制等措施,实现施工风险信息化预控目的;(3)针对狮子山隧洞地质条件复杂、施工风险高以及施工组织要求高等特点,应用智能工地管理系统软件平台,实现多层级、全方位、多维度、综合智能管理。In order to solve construction problems of a hydraulic tunnel under various complex geological conditions,taking the Shizishan tunnel of Water Diversion Project in Central Yunnan as background,this paper deeply analyzes main engineering geological problems and construction organization difficulties during the construction process by means of on-site investigation and monitoring,proposes the key intelligent construction technologies,and the following conclusions are obtained:(1)as for the super-long,high-risky tunnel constructed by the drilling and blasting method with multi working faces,the safe,rapid and efficient construction can be achieved through mechanization,automation and informatization from the aspects of method selection,machine matching,geological prediction,disaster monitoring,harmful gas monitoring and construction ventilation;(2)through accurate prediction of high-risk sources,targeted technical measures,intelligent monitoring means and informatized early warning mechanism can be taken to achieve the purpose of informatized pre-control of construction risks;(3)according to characteristics of complex geological conditions,high construction risk and high construction organization requirements of Shizishan Tunnel,the software platform of intelligent site management system should be used to realize multi-level,all-round,multi-dimensional and comprehensive intelligent management.

关 键 词：引水工程 智能建造 复杂地质 施工关键技术 风险控制 

分 类 号：U456.3[建筑科学—桥梁与隧道工程]