Monte Carlo simulations of mesoscale fracture modelling of concrete with random aggregates and pores
作者: X.F. WangZ.J. YangJ.R. YatesA.P. JivkovCh Zhang
作者单位: 1School of Mechanical, Aerospace and Civil Engineering, The University of Manchester, Manchester M13 9PL, UK
2College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China
3Simuline Ltd, Derbyshire S18 1QD, UK
4Department of Civil Engineering, University of Siegen, Paul-Bonatz-Str. 9-11, D-57076 Siegen, Germany
刊名: Construction and Building Materials, 2015, Vol.75 , pp.35-45
来源数据库: Elsevier Journal
DOI: 10.1016/j.conbuildmat.2014.09.069
关键词: ConcreteAggregates and poresNonlinear cohesive fractureRandom generation and packingMonte Carlo simulationMeso-scale modelling
英文摘要: Abstract(#br)A procedure for generating two-dimensional heterogeneous meso-scale concrete samples is developed, in which the multi-phasic features including the shape, size, volume fraction and spatial distribution of aggregates and pores are randomised. Zero-thickness cohesive interface elements with softening traction–separation relations are pre-inserted within solid element meshes to simulate complex crack initiation and propagation. Extensive Monte Carlo simulations (MCS) of uniaxial tension tests were carried out to investigate the effects of key multi-phasic features on the fracture patterns and load-carrying capacities. It is found that the fracture behaviour and stress-displacement responses of the numerical specimens are highly dependent on the random mesostructures, especially...
全文获取路径: Elsevier  (合作)
影响因子:2.293 (2012)