其次,根据构建原则筛选建立山岭地区大断面公路隧道施工风险预警指标体系。
Secondly, according to construction principle and select to build the establishment of mountain regions large-section of highway tunnel construction risk early-warning indicators.
分析了山岭公路隧道渗漏的主要原因,介绍了奇封防排水板在某山岭公路隧道工程中的应用,并对其施工工艺做了阐述。
The article analyses causes for leakage in highway tunnels and introduces practice of Qifen drainable waterproof plate in a tunnel. And it also briefs how to apply the plate.
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