Time Series Method with Application to Stability Monitoring of Underground Excavations
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摘要: 根據現場位移監測提出1種工程預測方法。利用現場測量的圍巖或支護的位移對未來位移發展趨勢作出定量預測。在預測位移的基礎上,應用數值方法可以預測支護圍巖壓力、應力及安全度隨時間發展的趨勢。這種預測方法可用于巖石工程安全監控、支護設計、施工效果評價及預測。Abstract: An engineering prediction method is presented for evaluating trends of the displacements based on displacement histories obtained from underground excava tions.On this basis the distribution of the pressures, stresses and safety degree of underground excavations can be determined by using numerical methods. Therefore, the proposed method will find a wind application in safety control, support design,construction assessment of geotechnical engineering projects.
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Key words:
- time series models /
- underground excavations /
- displacement prediction
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