长输管道盾构隧道地质勘察设计
Geological Survey with Shield-driven Tunneling Technique for Long distance Pipeline Design
-
摘要: 介绍了盾构隧道管道穿越特大型河流地质勘察在方案设计、初步设计、施工图设计和施工印证勘察四个阶段中的勘察项目和方法, 详细说明了盾构穿越断面所通过的崩塌性沙层、高水压区的含卵石砾层、软弱粉质粘土层、含有缺氧层和有害气体等特殊地层的勘察内容和要求。Abstract: This paper introduces the survey program and technique involved in the scenario design, initial design, construction drawing design and construction confirmation survey for pipeline crossing extra-large river with shield-driven tunneling technique, describes in detail the survey items and requirements with this technique to cross the special formation, like the avalanche sand fault, pebble sandstone fault of pressurized water zone, etc.