基于ABAQUS的镶嵌式混凝土加固、修复技术研究

材料导报

2019, Vol. 33

Issue (z1): 269-273

无机非金属及其复合材料

基于ABAQUS的镶嵌式混凝土加固、修复技术研究

夏娴, 李地红, 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

Research on Reinforcement and Repair Technology of Mosaic Concrete Based on ABAQUS

XIA Xian, LI Dihong, 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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摘要本工作通过镶嵌方式对开裂混凝土构件进行修复、补强、加固,确保混凝土构件具有不低于开裂前的初始力学性能。对镶嵌件修补的混凝土构件进行抗折试验,并基于材料力学理论对镶嵌件组合进行承载力计算,再通过ABAQUS构建算例的有限元模型观察变形过程中应力的分布情况,研究修补后混凝土的弹塑性工作性能,并进一步优化镶嵌件的工作性能。分析试验、理论数值计算和有限元分析结果表明,本工作研究的镶嵌式加固方式,对含裂缝的水泥制品的抗折性能有明显提高,有限元软件可以有效模拟试验结果,在接下来的研究中可以部分代替试验工作,对镶嵌方式加固混凝土结构技术进行更深入的研究。

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关键词: 镶嵌式混凝土加固极限承载力有限元

Abstract: In this work, the cracked concrete members are repaired, strengthened and reinforced by the inlaying method to ensure that the concrete members have not less than the initial mechanical properties before the cracking. In this work, the flexural test of the inlaid concrete members is carried out, and the bearing capacity calculation is carried out based on the material mechanics theory. Then the finite element model of the ABAQUS construction example is used to observe the stress distribution during the deformation process, and the repaired concrete is studied. Elastoplastic performance and further optimize the performance of the insert. The results of analytical tests, theoretical numerical calculations and finite element analysis show that the inlaid reinforcement method studied in this work has significantly improved the flexural performance of cracked cement products. The finite element software can be used to replace the experimental work in the next study,and inlaid reinforced concrete structure technology should be further studied.

Key words: inlay concrete strengthening ultimate bearing capacity finite element

出版日期: 2019-05-25 发布日期: 2019-07-05

ZTFLH:

TU528

作者简介: 夏娴,2017年6月毕业于徐州工程学院,获工学学士学位。现为北京建筑大学土木与交通学院硕士研究生,在李地红教授的指导下进行研究。目前主要研究领域为结构上镶嵌式修复补强加固混凝土。李地红,1998年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,任3项项目负责人,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:

夏娴, 李地红, 高群, 代函函, 于海洋. 基于ABAQUS的镶嵌式混凝土加固、修复技术研究[J]. 材料导报, 2019, 33(z1): 269-273.
XIA Xian, LI Dihong, GAO Qun, DAI Hanhan, YU Haiyang. Research on Reinforcement and Repair Technology of Mosaic Concrete Based on ABAQUS. Materials Reports, 2019, 33(z1): 269-273.

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http://www.mater-rep.com/CN/ 或 http://www.mater-rep.com/CN/Y2019/V33/Iz1/269

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