Modelling Fresh Concrete Flow through Reinforcing Bars with Computational Homogenization

机译：计算均质化通过钢筋模拟新鲜混凝土流动

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This paper focuses on modeling of fresh concrete flow through the reinforcement. The fresh concrete is considered as a single homogeneous fluid. A Newtonian model is used as a first approximation of the constitutive relation. Flow of the concrete through the reinforced area is modeled as a Darcy flow in a porous media. Permeability of the porous area is obtained by homogenization of the Stokes flow over a representative volume element. Comparison of the homogenized solution and direct simulation is discussed.

机译：本文着重于通过钢筋的新鲜混凝土流模型。新鲜混凝土被认为是单一的均质流体。牛顿模型被用作本构关系的第一近似。通过增强区域的混凝土流动被模拟为多孔介质中的达西流动。多孔区域的渗透性是通过使代表性体积元素上的斯托克斯流均质化而获得的。讨论了均质化解决方案与直接仿真的比较。

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来源
《Proceedings of the Fifteenth international conference on civil, structural and environmental engineering computing》|2015年|150-150|共1页
会议地点 Prague(CZ)
作者
F. Kolarik; B. Patzak; J. Zeman;
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作者单位

Department of Mechanics, Faculty of Civil Engineering CTU in Prague, Czech Republic;

Department of Mechanics, Faculty of Civil Engineering CTU in Prague, Czech Republic;

Department of Mechanics, Faculty of Civil Engineering CTU in Prague, Czech Republic,Centre of Excellence IT4Innovations VSB - Technical University of Ostrava, Czech Republic;

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原文格式 PDF
正文语种 eng
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关键词
flow; concrete; homogenization; Darcy; Stokes; multi-scale;

机译：流;具体;均质化达西斯托克斯多尺度;

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1. Computational homogenization of fresh concrete flow around reinforcing bars [J] . F. Kolařík, B. Patzák, J. Zeman Computers & Structures . 2018,第SEPa期

机译：钢筋周围新鲜混凝土流的计算均质化
2. Bond between Carbon Fiber Reinforced Polymer Bars and Concrete. Ⅱ: Computational Modeling [J] . J. V. Cox, K. Bergeron Cochran Journal of Composites for Construction . 2003,第2期

机译：碳纤维增强的聚合物条和混凝土之间的粘结。 Ⅱ：计算建模
3. Computational modeling of fiber flow during casting of fresh concrete [J] . Gudzulic Vladislav, Dang Thai Son, Meschke Guenther Computational Mechanics: Solids, Fluids, Fracture Transport Phenomena and Variational Methods . 2019,第6期

机译：新混凝土铸造期间纤维流动计算建模
4. Modelling Fresh Concrete Flow through Reinforcing Bars with Computational Homogenization [C] . F. Kolarik, B. Patzak, J. Zeman International Conference on Civil, Structural and Environmental Engineering Computing . 2015

机译：通过钢筋使用计算均质化建模新的混凝土流动
5. Analytical and computational modeling of the mechanical interlocking between steel/FRP reinforcing bars and concrete. [D] . Yu, Hailing. 2001

机译：钢/ FRP钢筋与混凝土之间的机械互锁的分析和计算模型。
6. Modeling Local Bond Stress–Slip Relationships of Reinforcing Bars Embedded in Concrete with Different Strengths [O] . Chao-Wei Tang, Chiu-Kuei Cheng 2020

机译：用不同优点嵌入混凝土中加固杆的局部债券胁迫滑移关系
7. Computational Homogenization of Fresh Concrete Flow Around Reinforcing Bars [O] . Kolařík, Filip, Patzák, Bořek, Zeman, Jan 2015

机译：加筋土新鲜混凝土流动的计算均匀化酒吧

Modelling Fresh Concrete Flow through Reinforcing Bars with Computational Homogenization

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