高寒地区隧道二衬混凝土施工及质量控制措施  

The construction technology and quality control measures of the secondary lining concrete of tunnel in alpine region

作　　者：张晶 王小龙 王稷良 Zhang Jing;Wang Xiaolong;Wang Jiliang(The Third Highway Construction Management Branch,Inner Mongolia High-grade Highway Construction and Development Co.,Ltd.,Hohhot 010051,China;China Communications First Engineering Co.,Ltd.,Beijing 102205,China;Institute of Highway Science,Ministry of Transport,Beijing 100088,China)

机构地区：[1]内蒙古高等级公路建设开发有限责任公司第三公路建设管理分公司,内蒙古呼和浩特010051 [2]中交一公局第一工程有限公司,北京102205 [3]交通运输部公路科学研究所,北京100088

出　　处：《山西建筑》2021年第20期160-162,共3页Shanxi Architecture

基　　金：内蒙古自治区交通科技项目(NJ-2019-09)。

摘　　要：高寒地区隧道二衬混凝土是一项作为安全储备的重要工程措施,用于保证高寒地区隧道长期运行,并且保持安全、可靠、稳定,尽可能避免遭受冰冻损坏。结合内蒙古有关公路隧道的实际情况,总结了高寒地区隧道二衬混凝土整体施工工艺流程。以此为基础,从配合比设计与防冻保温措施等方面,分析了高寒地区二衬混凝土施工注意事项。并从原材料相关技术要求、原材料预热保温等方面,探讨了二衬混凝土原材料与施工质量控制措施,相关研究对高寒地区隧道建设具有重要参考意义。The secondary concrete lining of tunnels in alpine regions is an important engineering measure as a safety reserve,which is used to ensure the long-term operation of tunnels in alpine regions,and keep them safe,reliable and stable,so as to avoid freezing damage as much as possible.Combined with the actual situation of highway tunnels in Inner Mongolia,the overall construction process of tunnel secondary lining concrete in alpine area is summarized.On this basis,from the aspects of mix proportion design and antifreeze insulation measures,the paper analyzes the matters for attention in the construction of secondary lining concrete in high cold area.From the aspects of relevant technical requirements of raw materials,preheating and heat preservation of raw materials,the paper analyzes the raw materials of secondary lining concrete and construction quality control measures,and the relevant research has important reference significance for tunnel construction in alpine regions.

关 键 词：高寒地区 隧道二衬混凝土 抗冻性能 施工工艺 质量控制措施 

分 类 号：U455.91[建筑科学—桥梁与隧道工程]