铁路隧道预制装配式建造技术研究与展望

Research and Prospect on Prefabricated Structure of Railway Tunnel

铁路隧道预制装配式建造技术是隧道建造技术的一个重要分支和发展方向,得益于其在针对性解决隧道衬砌结构病害问题方面的优势及在资源管理、生产管理、质量管控、绿色施工方面的优点,隧道装配式建造技术已经引起国内外隧道工程领域的高度重视。结合典型工点研究实践成果,在阐述该项技术发展历程的基础上,提出该技术的技术体系和关键技术,分设计选型、构件制备、施工拼装和信息化技术应用4个部分阐述技术体系中设计的关键点,客观分析尚需研究的问题和亟须开展的工作,并进行发展展望,为此项技术在高速铁路、复杂艰险山区铁路、高原高海拔地区铁路的隧道工程推广应用提供技术参考。

The prefabricated construction technology of railway tunnels is an important branch and development trend of tunnel construction technology.Thanks to its strengths in solving problems at the tunnel bottom and the advantages in resource management,production management,quality control and green construction,the prefabricated construction technology of railway tunnels has attracted great attention in the field of tunnel engineering in China and abroad.Combined with the research and practice results of typical worksites and based on elaboration for the development history of the technology,this paper puts forward the technical system and key technologies,expounds the key points of design in the technical system in four parts including design selection,component preparation,construction assembly and information technology application,objectively analyzes the problems to be studied and the work to be carried out urgently,and presents the development prospects.It provides technical reference for the popularization and application of prefabricated construction technology in tunnel engineering of high-speed railway,complex and tough mountainous railway and plateau high-altitude railway.