3D modelling of the flow of self-compacting concrete with or without steel fibres. Part I: slump flow test

被引：36
|
作者：
Deeb, R. [1 ]
Kulasegaram, S. [1 ]
Karihaloo, B. L. [1 ]
机构：
[1] Cardiff Univ, Sch Engn, Cardiff CF24 3AA, S Glam, Wales
来源：
COMPUTATIONAL PARTICLE MECHANICS | 2014年 / 1卷 / 04期
关键词：
3D simulation; Self-compacting concrete; Non-Newtonian viscous flow; Smooth particle hydrodynamic (SPH); Short steel fibres;
D O I：
10.1007/s40571-014-0002-y
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In part I of this two-part paper, a three-dimensional Lagrangian smooth particle hydrodynamics method has been used to model the flow of self-compacting concrete (SCC) with or without short steel fibres in the slump cone test. The constitutive behaviour of this non-Newtonian viscous fluid is described by a Bingham-type model. The 3D simulation of SCC without fibres is focused on the distribution of large aggregates (larger than or equal to 8 mm) during the flow. The simulation of self-compacting high-and ultra-high-performance concrete containing short steel fibres is focused on the distribution of fibres and their orientation during the flow. The simulation results show that the fibres and/or heavier aggregates do not precipitate but remain homogeneously distributed in the mix throughout the flow.
引用
收藏
页码：373 / 389
页数：17
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