MECHANICAL DESCRIPTION FOR GRANULAR MATERIAL EXHIBITING PARTICLE CRUSHING

Wang Naidong; Yao Yangping

doi:10.13204/j.gyjz200808005

Volume 38 Issue 8

Dec. 2014

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Wang Naidong, Yao Yangping. MECHANICAL DESCRIPTION FOR GRANULAR MATERIAL EXHIBITING PARTICLE CRUSHING[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(8): 17-20. doi: 10.13204/j.gyjz200808005

Citation:

Wang Naidong, Yao Yangping. MECHANICAL DESCRIPTION FOR GRANULAR MATERIAL EXHIBITING PARTICLE CRUSHING[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(8): 17-20. doi: 10.13204/j.gyjz200808005

Wang Naidong, Yao Yangping. MECHANICAL DESCRIPTION FOR GRANULAR MATERIAL EXHIBITING PARTICLE CRUSHING[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(8): 17-20. doi: 10.13204/j.gyjz200808005

Citation:

Wang Naidong, Yao Yangping. MECHANICAL DESCRIPTION FOR GRANULAR MATERIAL EXHIBITING PARTICLE CRUSHING[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(8): 17-20. doi: 10.13204/j.gyjz200808005

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MECHANICAL DESCRIPTION FOR GRANULAR MATERIAL EXHIBITING PARTICLE CRUSHING

doi: 10.13204/j.gyjz200808005

1.
Department of Civil Engineering,Beihang University Beijing 100191

Received Date: 2008-04-30
Publish Date: 2008-08-20

Abstract

Abstract

Based on the particle crushing of granular material,which affects the mechanical characteristic of stress dilatancy,and the power function used to describe the characteristic stress ratio,it is developed that the yield surface and its expression of the characteristic state.It is also analyzed the change law of the yield surface according to the value of parameters.The yield surface of characteristic state will be the same as the modified Cam-clay model when the parameter equals to a special value.Finally,combined with proper isotropic compressed conditions and unified hardening parameter,the yield surface can be applied into the constitutive model for sand,which can predict the tests results well,and describe the mechanical characteristic of sand exhibiting particle crushing reasonably.
- granular material,
- stress dilatancy,
- yield surface,
- particle crushing

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References(8)

References

Yao Y P,Luo T,Sun D A,et al.A Simple 3-D Constitutive Model for Both Clay and Sand.岩土工程学报,2002,24(2):240-246

[2] 刘荫成.高玉峰,刘汉龙,等.堆石料变形与强度特性的大型三轴试验研究.岩石力学与工程学报,2003,22(7):1 104-1 111

[3] 姚仰平,路德春,周安楠,等.广义非线性强度理论及其变换应力空间.中国科学(E辑),2004,34(11):1 283-1 299

[4] Sun D A,Huang W X,Sheng D C,et al.An Elastoplastic Model for Granular Materials Exhibiting Particle Crushing.Key Engineering Materials,2007,341,1 273-1 278

[5] Yan Y P,Wang N D,Yamamato H,et al.An Eiastoplastie Model Considering Sand Crushing//International Conference of Computational Science.Heidelberg,Germany:Springer,2007,Part Ⅲ,1 146-1 150

[6] 姚仰平,侯伟,王乃东,等.土的统一硬化本构模型//第十届土力学及岩土工程学术会议论文集(上册).重庆:重庆大学出版社,2007:207-222

[7] Roscoe K H,Budand J B.On the Generalized Stress-Strain Behavior of 'Wet'Clay//Heyman J,Leckie F A.Engineering Plasticity.Cambridge,UK:Cambridge University Press,1968:535-609

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