镶嵌式加固混凝土构件加固区域力学行为的有限元分析

材料导报

2019, Vol. 33

Issue (z1): 249-253

无机非金属及其复合材料

镶嵌式加固混凝土构件加固区域力学行为的有限元分析

李地红, 夏娴, 高群, 代函函, 于海洋

北京建筑大学土木与交通工程学院,北京100044

Finite Element Analysis of Mechanical Behavior of Reinforced Concrete Members with Inlaid Reinforcement

LI Dihong, XIA Xian, GAO Qun, DAI Hanhan, YU Haiyang

College of Civil and Transportation Engineering, Beijing University of Civil Engineering and Architecture,Beijing 100044

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摘要本工作采用ABAQUS有限元软件对哑铃形镶嵌件加固混凝土构件进行了有限元数值模拟计算,分析了镶嵌件几何形态对加固效果的影响,选用8种镶嵌件形状,对比分析了哑铃形镶嵌加固件两端盾头连接长度和半径对混凝土构件加固后,中间裂缝的挤压情况、边界效应及其对极限承载力的影响。结果表明: 将ABAQUS软件用于本研究是可行的。哑铃形镶嵌式加固件两端盾头的半径和连接长度的增大能够显著提高加固后混凝土构件的极限承载能力,为进一步探究和扩展镶嵌式加固混凝土构件的研究及工程实践提供参考。

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关键词: 混凝土构件镶嵌式加固 ABAQUS有限元参数分析

Abstract: In this work, ABAQUS finite element software was used to calculate the finite element numerical simulation of the concrete members strengt-hened with dumbbell-shaped inserts. The influence of the geometry of the inserts on the reinforcement effect was analyzed. The shape of the eight inserts was selected and the dumbbell-shaped inlay reinforcement was compared and analyzed. After the joint length and radius of the two ends of the joint are strenghened, the intermediate crack extrusion, boundary effect and its influence on the ultimate bearing capacity were emphasized. The results show that ABAQUS software can be used in the research. The radius of the shield head and the increase of the joint length of the dumbbell-shaped inlaid reinforcement can significantly improve the ultimate bearing capacity of the concrete members after reinforcement, and provide reference for further research and expansion of the research work and engineering practice of the inlaid reinforced concrete members.

Key words: concrete member inlay strengthening ABAQUS finite element parameter analysis

出版日期: 2019-05-25 发布日期: 2019-07-05

ZTFLH:

TU528

作者简介: 李地红,1998于哈尔滨建筑大学获得博士学位。2000～2001年作为访问学者在日本东京大学从事舣装材料结构研究与船舶材料评价。李地红教授多年来一直从事聚合物基复合材料的教学、科研工作,主要研究聚合物基复合材料结构分析、结构设计、结构与工艺一体化设计。近5年承担11项科研项目,总经费384万元,3项任项目负责人,经费209万元,国家重大专项专题两项,经费187万元。任职以来,发表学术论文43篇,获国家发明专利9项。近5年发表学术论文21篇,其中SCI收录4篇,EI收录9篇。核心以上期刊7篇,获国家发明专利4项。lidihong@bucea.edu.cn

引用本文:

李地红, 夏娴, 高群, 代函函, 于海洋. 镶嵌式加固混凝土构件加固区域力学行为的有限元分析[J]. 材料导报, 2019, 33(z1): 249-253.
LI Dihong, XIA Xian, GAO Qun, DAI Hanhan, YU Haiyang. Finite Element Analysis of Mechanical Behavior of Reinforced Concrete Members with Inlaid Reinforcement. Materials Reports, 2019, 33(z1): 249-253.

链接本文:

http://www.mater-rep.com/CN/ 或 http://www.mater-rep.com/CN/Y2019/V33/Iz1/249

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