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Abstract:
海南东环铁路美兰机场明挖隧道基坑,采用锚索与钢支撑混合支撑的方案。给出了基坑围护和变形监测方案,对该基坑施工跟踪监测,掌握支撑内力、基坑变形的变化动态,分析了施工过程中支护结构位移与内力的变化特征,测试表明:①锚索轴力在基坑开挖时变化较大,基坑开挖完成后逐渐趋于稳定;②钢支撑架设后,监测到的轴力有不断增加的趋势,监测值有小的跳动,但最终趋于稳定;③桩体水平位移随基坑的深度逐渐减小,在基坑顶部位移最大,基坑底部位移趋于零。
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岩土工程学报
Year: 2010
Issue: S1
Volume: 32
Page: 483-488
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 6
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