MINIMUM STIRRUP CHAＲACTERISTIC VALUES OF HSC COLUMNS CONFINED WITH HIGH-STRENGTH STIRRUPS

Yang Kun  Meng He  Shi Qingxuan  Zhao Junhai

doi:10.13204/j.gyjz201506014

Volume 45 Issue 6

Aug. 2015

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Yang Kun Meng He Shi Qingxuan Zhao Junhai, . MINIMUM STIRRUP CHAＲACTERISTIC VALUES OF HSC COLUMNS CONFINED WITH HIGH-STRENGTH STIRRUPS[J]. INDUSTRIAL CONSTRUCTION, 2015, 45(6): 66-71. doi: 10.13204/j.gyjz201506014

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Yang Kun Meng He Shi Qingxuan Zhao Junhai, . MINIMUM STIRRUP CHAＲACTERISTIC VALUES OF HSC COLUMNS CONFINED WITH HIGH-STRENGTH STIRRUPS[J]. INDUSTRIAL CONSTRUCTION, 2015, 45(6): 66-71. doi: 10.13204/j.gyjz201506014

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MINIMUM STIRRUP CHAＲACTERISTIC VALUES OF HSC COLUMNS CONFINED WITH HIGH-STRENGTH STIRRUPS

doi: 10.13204/j.gyjz201506014

Yang Kun Meng He Shi Qingxuan Zhao Junhai,

Publish Date: 2015-06-20

Abstract

Abstract

Based on a large number of test results at home and abroad，through theoretical analysis and experimental research，the relationship among the limiting displacement drift，the ductility of HSC columns and axial compression ratio，confining reinforcement characteristic values，the cover area as well as longitudinal reinforcement ratio was set up; the design formula for calculating the confining reinforcement and the minimum confining reinforcement characteristic values of HSC columns at different seismic levels were proposed． By way of comparison，it was indicated that the amount of stirrup ratio calculated by proposed design method was higher than current standards and ACI 318 － 05 standards，but lower than CSA A23. 3 － 04 and NZS 3101 standards．
- high-strength stirrups,
- high-strength concrete ( HSC),
- confined concrete,
- minimum stirrup characteristic values,
- ductility

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