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摘要：
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复杂地质条件下,大长细比超深沉井在超软土层中下沉采取阻沉技术,在硬土层中下沉采取助沉技术,并在下沉过程中采取防倾斜、纠偏和防突沉较难技术措施,使得大长细比超深沉井垂直、均匀下沉到位,取得了较好的经济效益和社会效益。
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Under complicated geological conditions,large slenderness ratio ultra-deep well sinks in the ultra-soft soil by prevented sinking method,sinks in hard soil by assisted sinking method,and in the process of sinking to take difficult technical measures of anti-tilt,correcting,and prevent sudden sinking to make large slenderness ratio ultra-deep wells vertically and evenly sink in the position.It achieved good economic and social benefits.
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作者简介：
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参考文献：
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[1]陈立生.大型沉井在复杂环境中排水下沉的探讨[J].地下工程与隧道,2003,(1).
[2]曾卫军.超软地基进行大型沉井施工的技术研究[J].建筑施工,2005,(12).
[3]康卫国.梁极、陆斌、大型泵房沉井施工技术[J].地下工程与隧道,2005,(2).
[4]牛昆山,王和气,成淑贞.大直径圆形混凝土结构滑模沉井施工工法[R].长治市建筑工程总公司,2004.
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