STRESS-STRAIN CHARACTERISTIC AND THREE-DIMENSIONAL CONSTITUTIVE MODEL OF ROCKFILL CONSIDERING CRUSHING

Yao Yangping; Huang Guan; Wang Naidong; Liu Hanlong

doi:10.13204/j.gyjz201109003

Volume 41 Issue 9

Dec. 2014

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Yao Yangping, Huang Guan, Wang Naidong, Liu Hanlong. STRESS-STRAIN CHARACTERISTIC AND THREE-DIMENSIONAL CONSTITUTIVE MODEL OF ROCKFILL CONSIDERING CRUSHING[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(9): 12-17,104. doi: 10.13204/j.gyjz201109003

Citation:

Yao Yangping, Huang Guan, Wang Naidong, Liu Hanlong. STRESS-STRAIN CHARACTERISTIC AND THREE-DIMENSIONAL CONSTITUTIVE MODEL OF ROCKFILL CONSIDERING CRUSHING[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(9): 12-17,104. doi: 10.13204/j.gyjz201109003

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STRESS-STRAIN CHARACTERISTIC AND THREE-DIMENSIONAL CONSTITUTIVE MODEL OF ROCKFILL CONSIDERING CRUSHING

doi: 10.13204/j.gyjz201109003

1.
1. Department of Civil Engneering,Beihang University,Beijing 100191,China;
2.
2. Nanning Branch of China Railway Siyuan Survey and Design Group Co.Ltd,Nanning 530003,China;
3.
3. Geotechnical Research Institute,Hohai University,Nanjing 210098,China

Received Date: 2010-06-06
Publish Date: 2011-09-20

Abstract

Abstract

Integrating existing research results,such as compressed,dilatancy,and strength,the influence produced by particle breaking on stress-strain characteristic of rockfill was analyzed. Based on the deformation and strength characteristics of rockfill,a new hardening parameters H was introduced,and corresponding yield function was derived,then a elastic-plastic constitutive model was proposed which could consider the impact of rockfill particle breaking. Based on the transformation stress method on SMP criterion and referring to triaxial test results of rockfill,it was validated the feasibility of three-dimensional constitutive model considering crushing. Finally,the stress-strain relationship of rockfill was simulated by using three-dimensional constitutive model considering crushing for rockfill under different stress states.
- rockfill,
- particle breaking,
- stress-strain characteristic,
- three-dimensional constitutive model

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References(16)

References

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