Testonretr of it effects of field welded beam-to-columnconnections with RC floor slab in high-rise buildings

Tomohiro Matsumiya, Yulin Chung, Takuya Nagae

研究成果: Article同行評審

摘要

When subjected to long period ground motions, high-rise buildings would sustain large cumulative inelastic deformations. Beam-to-column connections with RC floor slab are tested to examine the existing performance and effect of seismic retrofit of existing high-rise buildings. Four field welded beam-to-column connections are prepared in reference to the details of high-rise buildings built in 1960s-1970s. Three types of retrofit are adopted for the beam ends, namely welding along the shear plate, attachment of wing plate haunches, and attachment of a vertical haunch. For the unretrofitted connection, presence of a floor slab is attributed to the fracture in the bottom flange. The three retrofitted connections showed three different failure modes. A plastic theory is applied to interpret the resisting mechanisms, indicating reasonable correlation with the corresponding test results.

原文English
頁(從 - 到)1343-1350
頁數8
期刊Journal of Structural and Construction Engineering
75
發行號653
DOIs
出版狀態Published - 2010 七月

All Science Journal Classification (ASJC) codes

  • Architecture
  • Building and Construction

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