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http://dx.doi.org/10.12989/acc.2020.9.5.459

Behavior of UHPC-RW-RC wall panel under various temperature and humidity conditions  

Wu, Xiangguo (College of Civil Engineering, Fuzhou University)
Yu, Shiyuan (Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of the Industry and Information Technology, Harbin Institute of Technology)
Tao, Xiaokun (Hebei Construction Material Vocational & Technical College)
Chen, Baochun (College of Civil Engineering, Fuzhou University)
Liu, Hui (Qinhuangdao Municipal Building Material Group Co., Ltd.)
Yang, Ming (Hebei Construction Material Vocational & Technical College)
Kang, Thomas H.K. (Department of Architecture & Architectural Engineering and Engineering Research Institute, Seoul National University)
Publication Information
Advances in concrete construction / v.9, no.5, 2020 , pp. 459-467 More about this Journal
Abstract
Mechanical and thermal properties of composite sandwich wall panels are affected by changes in their external environment. Humidity and temperature changes induce stress on wall panels and their core connectors. Under the action of ambient temperature, temperature on the outer layer of the wall panel changes greatly, while that on the inner layer only changes slightly. As a result, stress concentration exists at the intersection of the connector and the wall blade. In this paper, temperature field and stress field distribution of UHPC-RW-RC (Ultra-High Performance Concrete - Rock Wool - Reinforced Concrete) wall panel under high temperature-sprinkling and heating-freezing conditions were investigated by using the general finite element software ABAQUS. Additionally, design of the connection between the wall panel and the main structure is proposed. Findings may serve as a scientific reference for design of high performance composite sandwich wall panels.
Keywords
finite element analysis; modeling; simulation; ultra-high performance concrete; rock wool; sandwich wall panel; temperature; humidity;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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