Seismic behaviour of frame structures with assembly of prefabricated concrete beam
Seismic behaviour of frame structures with assembly of prefabricated concrete beam
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装配式混凝土梁框架结构的抗震性能
DOI：
10.1016/j.jobe.2021.102765
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发表时间：
2021-05
影响因子：
6.4
通讯作者：
Shan Zhi
中科院分区：
文献类型：
--
作者：
Lv Xiaoyong;Yu Zhiwu;Shan Zhi
This study investigates a novel prefabricated concrete frame beam with an innovative assembly pattern that is cost-effective, reliable, practical, and has a good fault-tolerance. Quasi-static cyclic experiments were carried out on a cast-in-place (CIP) beam and three precast concrete (PC) beams with different lengths or widths of protruding beam stumps. The cracking propagation mode, load-bearing capacity, beam ductility, beam stiffness, and plastic energy dissipation ability were comparatively analysed. It is concluded that the hysteretic behaviour of the PC beams with the innovative assembly pattern suggested in this study was similar to that of the CIP. Moreover, PC beams with a wider protruding beam stump displayed better seismic performance. In particular, development curves of crack width with cyclic load were obtained, which showed that the cracks widened gradually as the number of load cycles increased, and the main crack width increased significantly around the peak load. A finite element model (ABAQUS) was established to further reveal the working mechanisms and conduct a parametric investigation of the PC beams. Parametric simulations indicated that a reasonable and relatively larger thickness of the U-shaped beam shell and higher post-pouring concrete strength are recommended for practical applications of the proposed novel prefabricated concrete frame beams.
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影响因子：
5.5
作者：
K. Ong;Z. Lin;Lado Riannevo Chandra;C. Tam;S. Pang
通讯作者：
K. Ong;Z. Lin;Lado Riannevo Chandra;C. Tam;S. Pang
影响因子：
10.5
作者：
J. Temuujin;A. Minjigmaa;Melissa Lee;Chen-Tan Nigel;A. Riessen
通讯作者：
J. Temuujin;A. Minjigmaa;Melissa Lee;Chen-Tan Nigel;A. Riessen
影响因子：
5
作者：
R. Fleischman;J. Restrepo;S. Pampanin;J. Maffei;Kim Seeber;F. Zahn
通讯作者：
R. Fleischman;J. Restrepo;S. Pampanin;J. Maffei;Kim Seeber;F. Zahn
影响因子：
1.1
作者：
R. Park
通讯作者：
R. Park
影响因子：
5.5
作者：
T. Ding;Jianzhuang Xiao;Asad-ur-Rehman Khan
通讯作者：
T. Ding;Jianzhuang Xiao;Asad-ur-Rehman Khan