A simple method to simulate shrinkage-induced cracking in cement-based composites by lattice-type modeling

doi:10.1007/s00466-008-0323-x

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	A simple method to simulate shrinkage-induced cracking in cement-based composites by lattice-type modeling
	Liu JX(刘金兴); Zhao ZY; Deng SC(邓守春); Liang NG(梁乃刚); J. X. Liu
发表期刊	Computational Mechanics
	2009
卷号	43 期号:4 页码:477-492
ISSN	0178-7675
摘要	A new numerical procedure is proposed to investigate cracking behaviors induced by mismatch between the matrix phase and aggregates due to matrix shrinkage in cement-based composites. This kind of failure processes is simplified in this investigation as a purely spontaneous mechanical problem, therefore, one main difficulty during simulating the phenomenon lies that no explicit external load serves as the drive to propel development of this physical process. As a result, it is different from classical mechanical problems and seems hard to be solved by using directly the classical finite element method (FEM), a typical kind of "load -> medium -> response" procedures. As a solution, the actual mismatch deformation field is decomposed into two virtual fields, both of which can be obtained by the classical FEM. Then the actual response is obtained by adding together the two virtual displacement fields based on the principle of superposition. Then, critical elements are detected successively by the event-by-event technique. The micro-structure of composites is implemented by employing the generalized beam (GB) lattice model. Numerical examples are given to show the effectiveness of the method, and detailed discussions are conducted on influences of material properties.
关键词	Shrinkage-induced Cracking Mismatch Deformation Generalized Beam Lattice Model Cement-based Composites Mohr-coulumb Failure Criterion Particle Composites Damage Mechanics Fracture Concrete
学科领域	固体力学
DOI	10.1007/s00466-008-0323-x
收录类别	SCI
语种	英语
WOS记录号	WOS:000263059500004
关键词[WOS]	PARTICLE COMPOSITES ; DAMAGE MECHANICS ; FRACTURE ; CONCRETE
WOS研究方向	Mathematics ; Mechanics
WOS类目	Mathematics, Interdisciplinary Applications ; Mechanics
引用统计	被引频次：10[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/28818
专题	非线性力学国家重点实验室
通讯作者	J. X. Liu
推荐引用方式 GB/T 7714	Liu JX,Zhao ZY,Deng SC,et al. A simple method to simulate shrinkage-induced cracking in cement-based composites by lattice-type modeling[J]. Computational Mechanics,2009,43,4,:477-492.
APA	刘金兴,Zhao ZY,邓守春,梁乃刚,&J. X. Liu.(2009).A simple method to simulate shrinkage-induced cracking in cement-based composites by lattice-type modeling.Computational Mechanics,43(4),477-492.
MLA	刘金兴,et al."A simple method to simulate shrinkage-induced cracking in cement-based composites by lattice-type modeling".Computational Mechanics 43.4(2009):477-492.

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