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《CHINESE JOUNAL OF GEOTECHNICAL ENGINEERING》 1996-01
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Prediction of Stable Displacement and Unstable Time on Tunnel and Slope

Zhang Jun-sheng;Xue Ye(Golden Mine of Dengtongyu, Tongguan) Tao Ji-nan (Xi' an University of Architecture Technology)  
In this paper, according to features displacement-time curves the possibility to use acceleration as a factor of state identification is suggested and testified. In the stable cases, the prediction of the ultimate convergence displacements by means of GM(1, 1 ) model of grey system is discussed.In the unstable circumstances,the general formula of calculating unstable time with tangent angle is established.
【CateGory Index】: TD325.1
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