摘要
运用混沌理论研究基坑变形破坏的演变机理,对基坑变形观测数据序列进行相空间重构,将若干固定时间延迟点上的测量作为新维处理,形成相点,按照关联维数方法求算吸引子维数,提取和恢复基坑系统原有的规律。实例分析表明,混沌理论为基坑预测研究提供了新的途径。
In this paper, chaos theory are used to study the analytic methods of found ation pit deformation. The data series of foundation pit deformation values are reconfigured in phase space respectively and the observed values at the points of certain time delay are handled as new dimensions. Thereby phase points are formed. The dimension amount of the attractor can be calculated according to the correlation dimension method. Thus, the dynamic characteristics of foundation pit are represented. It concludes that chaos theory offer a new way for foundation pit prediction.
出处
《测绘》
2011年第2期57-59,共3页
Surveying and Mapping
关键词
基坑
混沌
吸引子维数
Foundation pit
Chaos
Fractal dimension of attractor
