摘要
针对隧道工程特点及二衬混凝土目前施工存在质量问题,详细分析了隧道二衬采用高性能自密实混凝土优势和必要性,从自密实混凝土的技术特点和配制技术途径来看,该材料及技术可以很好解决隧道二衬混凝土施工技术难题,并能极大提升二衬混凝土的耐久性和抗渗性,自密实混凝土在隧道工程中具有广阔的应用前景。
The advantages and necessity of high-performance self-compacting concrete adopted for second lining of channels is analyzed in this article in details based on the analysis on technical features and technological approaches for preparation of self-compacting concrete as well as features of tunneling works and current quality problems of second lining concrete. The self-compacting concrete can solve technical problems of the construction second lining concrete of tunnels in a favorable way, which also greatly improves the durability and anti-permeability of second lining concrete, providing references for popularization and application of self-compacting concrete in tunneling works.
作者
陈宇
CHEN Yu(China Railway Design Corporation Tianjin 300251 Chin)
出处
《石家庄铁路职业技术学院学报》
2018年第1期8-12,共5页
Journal of Shijiazhuang Institute of Railway Technology
关键词
隧道二衬
高性能
自密实混凝土
密实性
耐久性
second lining of tunnels high performance self-compacting concrete compaction durability