H型鋼梁-H型鋼柱偏心節(jié)點(diǎn)的節(jié)點(diǎn)域力學(xué)性能研究*
高金賀1，杜柳鋼1，張守龍1，黃艷斌1，黃偉玲1，田川浩2
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(1 東華理工大學(xué)建筑工程學(xué)院， 南昌 330013； 2 日本廣島大學(xué)工學(xué)研究科， 廣島 7398527)
［摘要］提出利用槽形鋼折板補(bǔ)強(qiáng)H型鋼梁-H型鋼柱的偏心節(jié)點(diǎn)，并研究了該偏心節(jié)點(diǎn)的力學(xué)性能。提出偏心節(jié)點(diǎn)的節(jié)點(diǎn)域承載力計(jì)算方法，分析中考慮了由于梁偏心引起的附加扭矩的影響。同時(shí)進(jìn)行了T字形梁柱構(gòu)件的循環(huán)荷載試驗(yàn)，驗(yàn)證偏心節(jié)點(diǎn)的滯回性能。試驗(yàn)結(jié)果表明，節(jié)點(diǎn)具有良好的延性和耗能性能，節(jié)點(diǎn)域承載力計(jì)算公式具有良好的精度。以十字形梁柱構(gòu)件為模型，進(jìn)行非線(xiàn)性有限元數(shù)值分析，考察槽形鋼折板的厚度對(duì)偏心節(jié)點(diǎn)域變形和承載力的影響。［關(guān)鍵詞］梁柱偏心節(jié)點(diǎn); 槽形鋼折板; 節(jié)點(diǎn)域; 力學(xué)性能中圖分類(lèi)號(hào)：TU391 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1002-848X(2015)24-0092-09
Mechanical property research on panel zone of H-beam to H-column joints with eccentricityGao Jinhe1, Du Liugang1, Zhang Shoulong1, Huang Yanbin1, Huang Weiling1, Tagawa Hiroshi2(1 School of Civil and Architecture Engineering, East China University of Technology, Nanchang 330013, China; 2 Graduate School of Engineering, Hiroshima University, HigashiHiroshima City 739 8527, Japan)Abstract: C-shaped steel plates were proposed to strengthen H-beam to H-column joints with eccentricity. Bearing capacity calculation method of joint panel zones in the eccentric H-beam to H-column joints was presented, considering the influence of additional torsion moments induced by eccentric H-beams. Cyclic loading tests of T-shaped beam-column member were conducted to examine the hysteretic behaviors of eccentric joint. The test results show that the joint has adequate ductility and hysteretic energy dissipation capacity. The bearing capacity calculation formula of the joint panel zones has a reasonable accuracy. Nonlinear finite element numerical analyses were performed for the cruciform beam-column member model to investigate the influence of the C-shaped steel plate thickness on the deformation and strength of eccentric joint panel zone.Keywords: eccentric beam-to-column joint; C-shaped steel plate; joint panel zone; mechanical property*江西省自然科學(xué)基金項(xiàng)目(20132BAB216007)， 教育廳科技計(jì)劃項(xiàng)目(GJJ13440)。作者簡(jiǎn)介: 高金賀，博士， 講師，Email:jhgao@ecit.cn。
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