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.
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Foundation item: the National Natural Science Foundation of China (No. 51578160)
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Zheng, G., Xu, H. & Wu, Y. Experiment on Seismic Performance of Frame-Masonry Horizontal Hybrid Structure Based on Shaking Table Test. J. Shanghai Jiaotong Univ. (Sci.) 24, 640–646 (2019). https://doi.org/10.1007/s12204-019-2082-6
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DOI: https://doi.org/10.1007/s12204-019-2082-6