Rigid Body Spring Model for Large Aggregate Concrete

Huai Liang Wang

doi:10.4028/www.scientific.net/AMR.179-180.79

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 179-180Rigid Body Spring Model for Large Aggregate...

Rigid Body Spring Model for Large Aggregate Concrete

Abstract:

Based on the fundamental test data and the mesoscopic approach, a rigid body spring model is developed for simulation of the behavior of large aggregate concrete subjected to uniaxial or multiaxial load. Firstly, the concrete is treated as a three-phase inhomogeneous system; random aggregate model for fully-graded concrete is used to form the aggregate distribution. Then, based on the rigid body spring discrete element model, a procedure for mesoscopic study behaviour of large aggregate concrete under the two-dimensional stress state is given. At last, the comparison of numerical and experimental results shows that this method could effectively describe the failure behavior of large aggregate concrete under various plane stress state.

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Periodical:

Advanced Materials Research (Volumes 179-180)

Pages:

79-85

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.179-180.79

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Online since:

January 2011

Authors:

Huai Liang Wang

Keywords:

Large Aggregate Concrete, Mesolevel, Random Aggregate, Rigid Body Spring Model (RBSM), Strength

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