A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Experimental studies of full-scale self-centering beam-to-column exterior connection
Traditional steel moment frames use welded beam-column connections, which are susceptible to brittle fracture and commonly have large residual deformation after the earthquakes. A novel beam-to-column connection for steel moment frame is proposed. Four full-scale new connections and two connections without self-centering capacity were tested under cyclic lateral load, the connections' strength property, energy-dissipation capacity, seismic behavior of hysteresis loops as well as angles and posttensioning strands' behavior are investigated. The results show that the connection's prestressing forces determine the connection's self-centering capacity, and angles are important for energy dissipation. Under 5% drift, the columns and beams remain elastic while the angles sustain inelastic deformations. After the loading, the connections have zero deformation. The connection can restore to the original position.
Experimental studies of full-scale self-centering beam-to-column exterior connection
Traditional steel moment frames use welded beam-column connections, which are susceptible to brittle fracture and commonly have large residual deformation after the earthquakes. A novel beam-to-column connection for steel moment frame is proposed. Four full-scale new connections and two connections without self-centering capacity were tested under cyclic lateral load, the connections' strength property, energy-dissipation capacity, seismic behavior of hysteresis loops as well as angles and posttensioning strands' behavior are investigated. The results show that the connection's prestressing forces determine the connection's self-centering capacity, and angles are important for energy dissipation. Under 5% drift, the columns and beams remain elastic while the angles sustain inelastic deformations. After the loading, the connections have zero deformation. The connection can restore to the original position.
Experimental studies of full-scale self-centering beam-to-column exterior connection
Pan Peng, (author) / Pan Zhen-hua, (author) / Cao Hai-yun, (author) / Qiu Fa-wei, (author) / Ye Lie-ping, (author)
2011-04-01
627941 byte
Conference paper
Electronic Resource
English
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