Experiment on Seismic Performance of Frame-Masonry Horizontal Hybrid Structure Based on Shaking Table Test

doi:10.1007/s12204-019-2082-6

Journal of Shanghai Jiao Tong University (Science) ›› 2019, Vol. 24 ›› Issue (5): 640-646.doi: 10.1007/s12204-019-2082-6

Experiment on Seismic Performance of Frame-Masonry Horizontal Hybrid Structure Based on Shaking Table Test

ZHENG Guochen (郑国琛), XU Hangli (许航莉), WU Yingxiong (吴应雄)

(1. College of Engineering, Fujian Jiangxia University, Fuzhou 350108, China; 2. College of Civil Engineering, Fuzhou University, Fuzhou 350108, China)

出版日期:2019-10-08 发布日期:2019-09-27
通讯作者: WU Yingxiong (吴应雄) E-mail:wyxfz2006@163.com

Experiment on Seismic Performance of Frame-Masonry Horizontal Hybrid Structure Based on Shaking Table Test

ZHENG Guochen (郑国琛), XU Hangli (许航莉), WU Yingxiong (吴应雄)

(1. College of Engineering, Fujian Jiangxia University, Fuzhou 350108, China; 2. College of Civil Engineering, Fuzhou University, Fuzhou 350108, China)

Online:2019-10-08 Published:2019-09-27
Contact: WU Yingxiong (吴应雄) E-mail:wyxfz2006@163.com

摘要/Abstract

摘要： Frame-masonry horizontal hybrid structure is a new type of self-built residence in the rural areas of Fujian Province in recent years. A shaking table test for 1/2 scale model is carried out on the basis of one representative rural structure, and the dynamic characteristics and seismic responses of this experimental model are measured. As a supplement, the finite element model of the prototype structure is built by ANSYS software, and simulation and test results are contrasted and analyzed. The results show that according to this structure, the beam-column joint of the frame part has stress concentration and the destruction pattern of the masonry part is similar to brick-masonry structure. There are obvious differences in lateral stiffness of each floor and direction, and the mass center does not coincide with the stiffness center, which can lead to excessive torsion and story drift of this structure under earthquakes of a certain intensity. Because of poor construction quality, unfavorable structural measures and irrational structural system in present rural areas, there is a potential safety threat with this type of structures in highly seismic region. Some suggestions for strengthening and retrofitting frame-masonry horizontal hybrid structures are pointed out.

关键词: frame-masonry horizontal hybrid structure, shaking table test, seismic performance, numerical simulation

Abstract: Frame-masonry horizontal hybrid structure is a new type of self-built residence in the rural areas of Fujian Province in recent years. A shaking table test for 1/2 scale model is carried out on the basis of one representative rural structure, and the dynamic characteristics and seismic responses of this experimental model are measured. As a supplement, the finite element model of the prototype structure is built by ANSYS software, and simulation and test results are contrasted and analyzed. The results show that according to this structure, the beam-column joint of the frame part has stress concentration and the destruction pattern of the masonry part is similar to brick-masonry structure. There are obvious differences in lateral stiffness of each floor and direction, and the mass center does not coincide with the stiffness center, which can lead to excessive torsion and story drift of this structure under earthquakes of a certain intensity. Because of poor construction quality, unfavorable structural measures and irrational structural system in present rural areas, there is a potential safety threat with this type of structures in highly seismic region. Some suggestions for strengthening and retrofitting frame-masonry horizontal hybrid structures are pointed out.

Key words: frame-masonry horizontal hybrid structure, shaking table test, seismic performance, numerical simulation

中图分类号:

ZHENG Guochen (郑国琛), XU Hangli (许航莉), WU Yingxiong (吴应雄). Experiment on Seismic Performance of Frame-Masonry Horizontal Hybrid Structure Based on Shaking Table Test[J]. Journal of Shanghai Jiao Tong University (Science), 2019, 24(5): 640-646.

参考文献 12

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Experiment on Seismic Performance of Frame-Masonry Horizontal Hybrid Structure Based on Shaking Table Test

Experiment on Seismic Performance of Frame-Masonry Horizontal Hybrid Structure Based on Shaking Table Test

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