Application of base force element method to mesomechanics analysis for concrete. (English) Zbl 1407.74008
Summary: The base force element method (BFEM) on damage mechanics is used to analyze the compressive strength, the size effects of compressive strength, and fracture process of concrete at mesolevel. The concrete is taken as three-phase composites consisting of coarse aggregate, hardened cement mortar, and interfacial transition zone (ITZ) on mesolevel. The random aggregate model is used to simulate the mesostructure of concrete. The mechanical properties and fracture process of concrete under uniaxial compression loading are simulated using the BFEM on damage mechanics. The simulation results agree with the test results. This analysis method is the new way for investigating fracture mechanism and numerical simulation of mechanical properties for concrete.
MSC:
| 74A40 | Random materials and composite materials |
| 74A45 | Theories of fracture and damage |
| 74S05 | Finite element methods applied to problems in solid mechanics |
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