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富溪连拱隧道出口变形倾倒体仰坡治理工程 被引量:6

Comprehensive treatment of the overlaying slope with toppling deformation at the outlet of the Fuxi twin-arch tunnel
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摘要 汤屯高速公路富溪隧道出口仰坡段岩体破碎,工程地质条件复杂,为一大型强风化岩变形倾倒体,在洞口工程刚开始小量刷坡时即发生大面积滑塌现象,若不采取有效工程措施将无法进行隧道施工。针对洞口变形倾倒体的地质条件,采用坡脚反压、仰坡注浆、喷射混凝土及大管棚等措施进行综合治理;现场监测结果分析表明洞口仰坡治理取得了满意的效果。 The rock mass of the overlaying slope at the outlet of the Fuxi tunnel in Tangkou-Tunxi Highway which is fragmental and under complex engineering geologic conditions is a large-scale highly weathered mass with toppling deformation. At the early stage of the outlet project, collapse occurred over large areas as a small amount of excavation work was carried out, so that tunnel construction would not he able to carry on if no effective engineering measures were taken. In view of the geologic conditions of the rock mass, comprehensive treatment measures are adopted, such as exerting counterpressure at the foot of the slope, grouting the front slope,injecting concrete, and applying big steelpipe-sheds. In-situ monitoring results indicate that the treatment measures are effective.
作者 邹正明
出处 《合肥工业大学学报(自然科学版)》 CAS CSCD 北大核心 2006年第12期1556-1559,共4页 Journal of Hefei University of Technology:Natural Science
关键词 高速公路 连拱隧道 边坡治理 highway twin-arch tunnel slope treatment
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