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Abstract:
为了进一步扩展深基坑开挖侧移预测的基本理论及方法, 应用混沌时间序列理论,结合深基坑开挖侧移规律,提出了基于加权一阶局域法与可信域相结合的深基坑开挖侧移预报模型,将实测数据扩展到多维空间,重构延迟坐标状态空间,求出最大Lyapunov指数,由加权一阶局域法求出预测值,由邻近点距离差、变形速率等影响因素确定可信域. 工程实测表明,该模型提高了深基坑开挖预测的精度和可靠度,可用于深基坑开挖侧向位移变形预测.
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Source :
北京工业大学学报
ISSN: 0254-0037
Year: 2005
Issue: 2
Volume: 31
Page: 136-140
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 6
Chinese Cited Count:
30 Days PV: 12
Affiliated Colleges: