|Table of Contents|

Effect of Opening on Out-of-plane Mechanical Behavior of RC Frame Infilled Wall(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2021年01期
Page:
78-89
Research Field:
Publishing date:

Info

Title:
Effect of Opening on Out-of-plane Mechanical Behavior of RC Frame Infilled Wall
Author(s):
YANG Chun-xia1;  WU Yan-mou1;  MEI Yi1;  JIANG Yao-hua2;  XU Ling-hao1
(1. School of Civil Engineering, Changsha University of Science & Technology, Changsha 410114, Hunan, China; 2. China Machinery International Engineering Design & Research Institute Co., Ltd, Changsha 410007, Hunan, China)
Keywords:
RC frame infilled wall;  opening ratio;  opening position;  opening shape;  mechanical behavior
PACS:
TU311
DOI:
10.19815/j.jace.2020.03045
Abstract:
Based on ABAQUS finite element analysis software, the nonlinear finite element model of reinforced concrete frame masonry infilled wall structure was established, the whole failure process of frame masonry infilled wall was simulated, and the reliability of the model was verified. A 200 mm thick infilled wall model was established to analyze the influence of different opening ratio, opening position and opening shape on the out-of-plane seismic performance of longitudinal wall of RC frame infilled wall structure. According to the equivalent stress nephogram and equivalent plastic strain nephogram of the infilled wall, the stress condition of the model and the failure mode of the infilled wall were analyzed. The influence of opening on the out-of-plane mechanical properties of infilled walls was summarized. The results show that in the frame infilled wall model with 10%, 20%, 30% and 40% opening ratios, the smaller the opening rate is, the closer the out-of-plane failure of infilled wall will be the brittle failure. When the frame size of the infilled wall with 10% opening ratio remains unchanged, the closer the opening is to the frame column, the smaller the interlayer displacement angle of the infilled wall with cracks appears, and the development is more rapid. When the frame size of infilled wall with opening ratio of 20% remains unchanged, the smaller the ratio of height to width of the opening is, the greater the interlayer displacement angles of boundary cracks and horizontal transverse joints of infilled wall are.

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Last Update: 2021-01-20