›› 2006, Vol. 27 ›› Issue (S1): 118-121.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Prediction of grey system model on convergence of surrounding rock deformation of Longtan tunnel

DING Wan-tao, LI Shu-cai, WANG Shu-gang   

  1. Research Center of Geotechnical and Structural Engineering, Shandong University, Jinan 250061, China
  • Received:2006-05-18 Published:2006-12-15

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Abstract: Based on the convergence of surrounding rock of Long-tan tunnel during excavation, a grey forecast model of GM(1,1) is established by dealing with a list of data on time-dependent relative displacement with randomicity and undulation. It is used to predict the future convergence of surrounding rock deformation. The formula of velocity is gained by analyzing the prediction displacement. The time of stability of surrounding rock is forecasted by this formula. The forecast results of two sections are close to the data actually obtained from monitoring.

Key words: Longtan tunnel, grey forecast, convergence

CLC Number: 

  • TD 315
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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