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Volume 19 Issue 6
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Yu　Maohong, Yang　Songyan, Fan Saucheong, Fung　Tatching. Twin　Shear　Unified　Elasto-Plastic　Constitutive　Model and　Its　Applications[J]. Chinese Journal of Geotechnical Engineering, 1997, 19(6): 2-10.
Citation: Yu　Maohong, Yang　Songyan, Fan Saucheong, Fung　Tatching. Twin　Shear　Unified　Elasto-Plastic　Constitutive　Model and　Its　Applications[J]. Chinese Journal of Geotechnical Engineering, 1997, 19(6): 2-10.
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Twin　Shear　Unified　Elasto-Plastic　Constitutive　Model and　Its　Applications

  • School　of　Civil　Engineering　Mechanics 　Xi’an　Jiaotong　University 　Xi′an　710049, School　of　Civil　　Structural　enigineering 　Nanyang　Technological　University 　Singapore

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  • Published Date: November 20, 1997
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  • Twin　shear　unified　elasto-plastic　associated　and　non-associated　constitutive　model,　which　is　based　on　the　Twin　Shear　Unified　Strength　Theory　Yu,1991,　is　proposed　in　this　paper.　　The　authors　give　a　classification　of　singularities　and　discusses　their　solutions　of　the　proposed　unified　elasto-plastic　constitutive　model,　which　are　also　applicable　to　singular　yield　surface　such　as　Tresca,　Mohr-Coulomb　and　others.　　This　unified　consitutive　model　has　been　implemented　in　UEPP　(Unified　Elasto-Plastic　finite　element　Program).　　Twin　Shear　Unified　Strength　Theory　(or　　Unified　Strength　Theory),　unified　elastoplastic　constitutive　model　and　UEPP　constitute　a　comprehensive　system　of　elasto-plastic　theoretical　analysis,　finite　element　implementation　and　engineering　application.
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