【摘要】 以矿山法新建北京地铁8号线木大区间正线下穿既有10号线盾构区间为工程背景,在总结和比较了各种管幕施工工法特点的基础上,提出了适合砂卵石地层的管幕施工工法。采用现场原位试验的方法研究砂卵石地层中管幕施工的施工工艺和对既有结构变形的影响。更多还原

【Abstract】 Based on the engineering practice,according to the comparison of characteristics of various pipe construction methods,this paper puts forward suitable pipe construction methods in sand and gravel stratigraphy. In situ test method is used to study the construction technology of pipe curtain construction in sand gravel stratum and its influence on the existing structure deformation.更多还原