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- W2364407191 abstract "The mechanical and failure behaviour of fully-graded concrete is analyzed using the mesoscopic approach based on the rigid body-spring element discrete model. First, according to the aggregate grading curve of the fully-graded concrete and Walraven function, a random aggregate structure is generated by the Monte Carlo random sampling principle. In order to reflect the heterogeneity of each phase in concrete at mesoscopic level, the mechanical parameters of these elements in three phases of concrete are assumed to conform to specific normal distribution and a method of mesh generation in which the polygon elements are produced is developed. Then based on the rigid body-spring discrete element model, a procedure for mesoscopic study behaviour of fully-graded concrete under the two-dimensional stress state is presented. At last, the proposed numerical method is validated to simulate some routine tests of concrete carried out in delaboratory and it is proved that this method could effectively describe the failure behaviour of concrete under various plane stress state." @default.
- W2364407191 created "2016-06-24" @default.
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- W2364407191 date "2006-01-01" @default.
- W2364407191 modified "2023-09-25" @default.
- W2364407191 title "Numerical simulation of mechanical behavior of fully-graded concrete based on rigid body spring model" @default.
- W2364407191 hasPublicationYear "2006" @default.
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