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Abstract:
通过对海南东环铁路美兰机场明挖隧道试验段施工跟踪监测,获得了围护结构变形与内力变化的一些规律.监测表明:1)围护结构水平位移随工期的延续而增加,基坑开挖完成后逐渐趋于稳定,最大位移值大约出现在开挖深度的三分之一处;2)锚索拉力随基坑施工工况不同而变化,基坑开挖中漏水、涌砂等情况对锚索拉力也有较大影响;3)钢支撑轴力控制标准较为严格,承载能力还有一定潜力,轴力变化平稳,略有波动.
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Source :
北京工业大学学报
ISSN: 0254-0037
Year: 2010
Issue: 10
Volume: 36
Page: 1350-1356
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 3
Chinese Cited Count:
30 Days PV: 3
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