亚热带复杂海域区间隧道精准勘察与评价  

Study on Accurate Survey and Evaluation of Tunnel in Subtropical Complex Sea Area

作　　者：蔡光远 CAI Guangyuan(Xiamen Metro Construction Co.,Ltd.,Xiamen 361000,Fujian,China)

机构地区：[1]厦门地铁建设有限公司,福建厦门361000

出　　处：《路基工程》2024年第6期139-146,共8页Subgrade Engineering

摘　　要：结合厦门轨道交通2号线五缘湾隧道工程,下穿存在残积砂质黏性土,全、强风化花岗岩层等,发育有可液化砂土、软土、残积土和全风化岩等特殊岩土,土质均匀性较差的复杂海域地质段,通过海上测绘、合理布置勘探孔、物探、现场测试、室内试验、理论计算等综合技术,研究其工程地质和水文地质条件,评价场地的稳定性和适宜性,提出针对性的工程防治措施,为设计和施工提供依据。Combined with the Wuyuanwan Tunnel Project of Xiamen Rail Transit Line 2,there is residual sandy clay,fully and strongly weathered granite layers underneath,and there is special rock and soil developed such as liquefiable sand,soft soil,residual soil and fully weathered rock.In the geological section of complex sea area with poor soil uniformity,comprehensive technologies such as marine surveying and mapping,reasonable arrangement of exploration holes,geophysical exploration,field test,indoor test and theoretical calculation used to study the engineering geological and hydrogeological conditions,evaluate the stability and suitability of the site,and put forward targeted engineering prevention measures,so as to provide basis for design and construction.

关 键 词：复杂条件 区间线路 精准勘察 围岩级别 涌水量 施工方法 可靠性 

分 类 号：U45[建筑科学—桥梁与隧道工程]