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Abstract:
为了给出厦门翔安隧道洞口段管棚超前支护的设计参数,采用快速拉格朗日有限差分法分析了管棚超前支护的效果;指出施工中遇到的问题及解决办法.洞口浅埋段采用40 m长管棚超前支护,经注浆形成的加固圈起到了"承载拱"的作用,有效控制了地面不匀匀沉降.管棚施工中克服了钻孔循环介质对地层的扰动,为安全进洞发挥了作用.
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北京工业大学学报
ISSN: 0254-0037
Year: 2007
Issue: 10
Volume: 33
Page: 1056-1059
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 32
Chinese Cited Count:
30 Days PV: 11
Affiliated Colleges: