Peat soil,Shield tunnel,Lining structure,Mechanical behavior," /> On the Structural Mechanical Behavior of a Shield Tunnel in a Peat Soil Stratum
 
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MODERN TUNNELLING TECHNOLOGY 2013, Vol. 50 Issue (2) :58-65    DOI:
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On the Structural Mechanical Behavior of a Shield Tunnel in a Peat Soil Stratum

Railway Eryuan Engineering Group Co（China ., Ltd., 610031）
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Abstract Based on one tunnel of the Kunming metro that runs through a peat soil stratum, a study was made concerning the stratum distribution around the tunnel and the internal force distribution law of the segment lining of the shield tunnel. The disturbance condition in the peat soil stratum was simulated by changing the stratum resistance coefficient under the most unfavorable load condition to thoroughly simulate the structural behavior of the segment lining. The law of internal force of the lining structure varying with the disturbance magnitude in a peat soil stratum was obtained.
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 Peat soil   Shield tunnel   Lining structure   Mechanical behavior     
Abstract： Based on one tunnel of the Kunming metro that runs through a peat soil stratum, a study was made concerning the stratum distribution around the tunnel and the internal force distribution law of the segment lining of the shield tunnel. The disturbance condition in the peat soil stratum was simulated by changing the stratum resistance coefficient under the most unfavorable load condition to thoroughly simulate the structural behavior of the segment lining. The law of internal force of the lining structure varying with the disturbance magnitude in a peat soil stratum was obtained.
Keywords：  Peat soil')" href="#">

 Peat soil,   Shield tunnel,   Lining structure,   Mechanical behavior     
published: 2013-02-25
Cite this article:   
.On the Structural Mechanical Behavior of a Shield Tunnel in a Peat Soil Stratum[J]  MODERN TUNNELLING TECHNOLOGY, 2013,V50(2): 58-65
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