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Volume 37 Issue zk1
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ZHU Jian-feng, XU Ri-qing. Secondary development of modified Duncan-Chang model considering disturbance[J]. Chinese Journal of Geotechnical Engineering, 2015, 37(zk1): 84-88. DOI: 10.11779/CJGE2015S1017
Citation: ZHU Jian-feng, XU Ri-qing. Secondary development of modified Duncan-Chang model considering disturbance[J]. Chinese Journal of Geotechnical Engineering, 2015, 37(zk1): 84-88. DOI: 10.11779/CJGE2015S1017
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Secondary development of modified Duncan-Chang model considering disturbance

  • 1. Faculty of Architectural Civil Engineering and Environment, Ningbo University, Ningbo 315211, China; 2. Research Center of Coastal Urban Geotechnical Engineering, Zhejiang University, Hangzhou 310058, China

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  • Received Date: March 25, 2015
  • Published Date: July 24, 2015
    Graphical Abstract
    • Abstract
  • The modified Duncan-Chang model considering disturbance is secondarily developed to predict the mechanical properties of soil under construction disturbance state more precisely. And the corresponding user subroutine UMAT of ABAQUS, which is a general-purpose finite element analysis system, is programmed. Moreover, the triaxial compressed tests on dry sands are carried out to prove the feasibility of the UMAT. The simulated results show that the predicted values of ABAQUS in which the developed UMAT subroutine has been used agree well with those of the triaxial tests at any disturbance state. Therefore, the secondary development of the modified Duncan-Chang model considering disturbance is feasible. Moreover, it can be widely used in the numerical calculation of geotechnical engineering.
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    • References (14)
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