Experimental Analysis of Exterior Beam-Column Joints with Headed Bars under Cyclic Loading
Publish place: 10th International Congress on Civil Engineering
Publish Year: 1394
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICCE10_0089
تاریخ نمایه سازی: 19 تیر 1394
Abstract:
The use of headed bars often provides an adequate solution to steel congestion, particularly at beamcolumn joints. An experimental research was performed to evaluate the applicability of closely spaced headed bars in exterior beam-column joints. Two large scale cyclic beam-column joint tests were carried out to examine seismic anchorage behavior of headed bars. The variables selected for seismic tests were the small clear spacing and two layers of headed bars in the beam which are both prohibited by ACI 318- 11. The behavior of the tested connections showed satisfactory seismic performance for both specimens. It was concluded that the clear bar spacing of approximately 2.3db or the use of two bar layers may be permitted for headed bars anchored in exterior beam-column joints
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Authors
Alireza Pourhassan
MSc of civil engineering, Ferdowsi University of Mashhad
M. Reza Esfahani
Professor of civil engineering, Ferdowsi University of Mashhad