[1]姚泽良,崔婷婷,段东旭,等.基于Python的再生混凝土细观性能模拟方法研究[J].西安建筑科技大学学报(自然科学版),2021,(02):167-172.[doi:10.15986/j.1006-7930.2021.02.003]
 YAO Zeliang,CUI Tingting,DUAN Dongxu,et al.Research on thesimulation method of mesoscopic performances of recycled concrete based on Python[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2021,(02):167-172.[doi:10.15986/j.1006-7930.2021.02.003]
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基于Python的再生混凝土细观性能模拟方法研究()
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西安建筑科技大学学报(自然科学版)[ISSN:1006-7930/CN:61-1295/TU]

卷:
期数:
2021年02期
页码:
167-172
栏目:
出版日期:
2021-04-28

文章信息/Info

Title:
Research on thesimulation method of mesoscopic performances of recycled concrete based on Python
文章编号:
1006-7930(2021)02-0167-06
作者:
姚泽良12崔婷婷12段东旭12党发宁12闻 硕12
(1.西安理工大学 土木建筑工程学院,陕西 西安 710048; 2.西北干旱地区生态水利国家重点实验室,陕西 西安 710048)
Author(s):
YAO Zeliang12 CUI Tingting12 DUAN Dongxu12 DANG Faning12 WEN Shuo12
(1.School of Civil Engineering and Architecture, Xi’an Univ. of Technology, Xi’an 710048, China; 2.State Key Laboratory of Eco-hydraulics in Northwest Arid Region, Xi’an 710048, China)
关键词:
再生混凝土 三维细观结构 蒙特卡罗法 随机骨料 数值计算
Keywords:
recycled concrete three-dimensional mesostructure Monte Carlo method random aggregate numerical analysis
分类号:
TU470
DOI:
10.15986/j.1006-7930.2021.02.003
文献标志码:
A
摘要:
将再生混凝土看作由原生骨料、老砂浆基体、老界面区、新砂浆基体、新界面区组成的三维细观结构,运用具有动态语义特征的PYTHON语言编写基于蒙特卡罗法生成三维再生混凝土随机骨料模型的算法,通过PYTHON操纵ABAQUS软件内核,实现模型构建与数值分析的合理整合,采用该算法建立四种不同骨料含量的三维再生混凝土随机骨料模型,并对45%骨料含量的模型力学性能进行了数值计算分析. 结果表明:通过PYTHON建立的三维再生混凝土随机骨料模型与真实再生混凝土中骨料的随机性和投放率的切片细观结构相符合; 三维再生骨料模型的力学性能指标与试验结果吻合较好; 该方法较好地解决了构建再生混凝土三维随机骨料模型的技术难题,满足工程应用的需要.
Abstract:
A three-dimensional meso-structure model of recycled concrete is proposed which is composed of five-phase materials of newly hardened mortar, old hardened mortar, internal interface zone, external interface zone and natural aggregate. Using Python language with dynamic semantic features, an algorithm to generate three-dimensional recycled concrete random aggregate model is compiled based on Monte Carlo method. The kernel program of Abaqus software is manipulated by the algorithm to realize the reasonable integration of the model construction and numerical analysis. Three-dimensional recycled concrete random aggregate models are built with the above method based four different aggregate percent. The mechanical properties of the model with 45% aggregate percent are simulated and analyzed. The results show that the three-dimensional model established with Python is in good agreement with the real microstructure of recycled concrete. This method can meet the requirements of the aggregate generation randomness and the aggregate generation input rate. The mechanical properties of the model are in good agreement with the test results. This method is better able to solve the problem of constructing a three-dimensional random aggregate model of recycled concrete and can meet the needs of engineering applications.

参考文献/References:

[1]王长青,肖建庄,孙振平. 动态单调荷载下约束再生混凝土单轴受压应力-应变全曲线方程[J].土木工程学报, 2017,50(8): 1-9.
WANG Changqing, XIAO Jianzhuang, SUN Zhenping. Dynamic complete stress-strain curve equations of recycled aggregate concrete under monotonic uniaxial loading[J].China Civil Engineering Journal, 2017,50(8): 1-9.
[2]MA H F, SONG L Z, XU W X. A novel numerical scheme for random parameterized convex aggregate models with a high- volume fraction of aggregates in concrete-like granular materials[J].Computers & Structures, 2018,209: 57-64.
[3]肖建庄,李文贵,刘琼. 模型再生混凝土单轴受压性能细观数值模拟[J].同济大学学报(自然科学版), 2011,39(6): 791-797.
XIAO Jianzhuang, LI Wengui, LIU Qiong. Meso-level numerical simulation on mechanical properties of modeled recycled concrete under uniaxial uompression[J].Journal of Tongji University(Natural Science Edition), 2011,39(6): 91-97.
[4]党娜娜,彭一江,周化平,等. 基于随机骨料模型的再生混凝土材料细观损伤分析方法[J].固体力学学报, 2013,10(33): 58-62.
DANG Nana, PENG Yijiang, ZHOU Huaping, et al. A meso mechanical damage method based on random aggregate model for recycled aggregate concrete[J].Chinese Journal of Solid Mechanics, 2013,10(33): 58-62.
[5]汪奔,王弘,张志强,等. 基于网格生成的随机凹凸型混凝土骨料细观建模方法[J].计算力学学报, 2017,34(5): 591-596.
WANG Ben, WANG Hong, ZHANG Zhiqiang, et al. Mesoscopic modeling method of concrete aggregates with arbitr-ary shapesbased on mesh generation[J].Chinese Journal of Computational Mechanics, 2017,34(5): 591-596.
[6]李建波,林皋,陈健云. 随机凹凸型骨料在混凝土细观数值模型中配置算法研究[J].大连理工大学学报, 2008(6): 869-874.
LI Jianbo, LIN Hao, CHEN Jianyun. Numerical generation and efficient distribution for random shape aggregates in mesoscopic concrete model[J].Journal of Dalian University of Technology, 2008(6): 869-874.
[7]ZHANG Z H, SONG X G, LIU Y. Three-dimensional mesoscale modelling of concrete composites by using random walking algorithm[J].Composites Science and Technology, 2017,149: 235-245.
[8]陈宗平,周春恒,徐定一,等. 骨料类型对再生混凝土力学特性的影响研究[J].应用力学学报, 2017,34(1): 180-185, 205.
CHEN Zongping, ZHOU Chunheng, XU Dingyi, et al. Influence of aggregate type on mechanical behaviors of recycled aggregate concrete[J].Chinese Journal of Applied Mechanics, 2017,34(1): 180-185,205.
[9]PADMINI A K, RAMAMURYHY K, MATHEWS M S. Influence of parent concrete on the properties of recycled aggregate concrete[J].Construction and Building Materials, 2009,23(2): 829-836.
[10]EVANGELISTA L, BRITO D J. Durability performance of concrete made with fine recycled concrete aggregates[J].Cement and Concrete Composites, 2009,32(1): 9-14.
[11]MIRIAN V L, ISABEL M L, MIGUEL A. Concrete with fine and coarse recycled aggregates: E-modulus evolution, compressive strength and non-destructive testing at early ages[J].Construction and Building Materials, 2018,193: 323-331.
[12]白国良,张锋剑,安昱峄,等. 再生混凝土承重砌块试验研究[J].西安建筑科技大学学报(自然科学版), 2011,43(1): 7-12,17.
BAI Guoliang, ZHANG Jianfeng, AN Yuyi, et al. The research of recycled bearing concrete hollow blocks[J].J. of Xi’an Univ. of Arch & Tech.(Natural Science Edition), 2011,43(1): 7-12,17.
[13]李运成,马怀发,陈厚群,等. 混凝土随机凸多面体骨料模型生成及细观有限元剖分[J].水利学报, 2006(5): 588-592.
LI Yuncheng, MA Huaifa, CHEN Huoqun, et al. Approach to generation of random convex polyhedral aggregate model and plotting for concrete meso-mechanics[J].Journal of Hydraulic Engineering, 2006,37(5): 588-592.
[14]刘琼. 再生混凝土破坏机理的试验研究和格构数值模拟[D].上海:同济大学, 2010.
LIU Qiong. The experiment study and lattice model simulation on the failure mechanism of recycled concrete[D].Shanghai:Tongji University,2010.
[15]周静海,王晓天,郭易奇,等. 再生混凝土抗压强度的影响因素的有限元分析[J].混凝土, 2017(6): 1-4.
ZHOU Jinghai, WANG Xiaotian, GUO Yiqi, et al. Finit element analysis on the compressive strength of recycled concrete[J].Concrete,2017(6):1-4.
[16]曹金凤. Python语言在Abaqus中的应用[M].北京: 机械工业版社, 2011.
CAO Jinfeng. The application of Python language in Abaqus[M].Beijing: Machinery Industry Press, 2011.
(编辑 桂智刚)

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备注/Memo

备注/Memo:
收稿日期:2020-09-18 修改稿日期:2021-03-20
基金项目:国家自然科学基金项目(51208422); 西安市科技计划项目(2017080CG/RC043(XALG030)); 陕西省教育厅重点项目(20JS092).
第一作者:姚泽良(1976-),女,博士,副教授,研究方向为土木工程. E-mail:yaozeliang@xaut.edu.cn
更新日期/Last Update: 2021-04-28