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YANG Aiwu, LIU Qi, YAN Shuwang, DU Dongju. Rheological isochronous curve of the structural soft dredger fill[J]. COAL GEOLOGY & EXPLORATION, 2012, 40(6): 58-62. DOI: 10.3969/j.issn.1001-1986.2012.06.013
Citation: YANG Aiwu, LIU Qi, YAN Shuwang, DU Dongju. Rheological isochronous curve of the structural soft dredger fill[J]. COAL GEOLOGY & EXPLORATION, 2012, 40(6): 58-62. DOI: 10.3969/j.issn.1001-1986.2012.06.013
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Rheological isochronous curve of the structural soft dredger fill

  • 1. Department of Civil Engineering, Tianjin Institute of Urban Construction, Tianjin 300384, China;

  • 2. Key Laboratory of Soft Soil Engineering Character and Engineering Environment of Tianjin, Tianjin 300381, China;

  • 3. College of Civil Engineering and Architecture, Tianjin University, Tianjin 300381, China

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  • Received Date: December 28, 2011
  • Available Online: October 26, 2021
    Graphical Abstract
    • Abstract
  • Soft soil has structural characteristics which affect its mechanical behavior. In this paper, triaxial rheological test was conducted for structural soft dredger fill in Tianjin Binhai new area. Through comparative analysis of undisturbed and remolded soil rheological isochronous curve we knew that the rheological isochronous curve of the structural soft dredger fill can be divided into linear visco-elastic behavior, linear visco-plastic deformation and nonlinear visco-plastic deformation. When stress is less than structure yielding stress, rheological isochronous curve linear rigidity is larger; conversely, with the soil structure damaged, it turned to smaller, finally tended to be a certain value approaching to remolded soils. The structure affects rheological isochronous curve is mainly in linear elastic stage and smaller in plastic stage.
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