CAJ | 학술논문

对于常规钢筋混凝土梁柱节点，经常出现梁纵筋在节点内紧密排列、左右交错而导致混凝土浇筑困难的情况。相交的梁纵筋处于同一标高，往往需要对梁纵筋进行弯折处理。这既给施工带来了不便，又使构件的受力性能受到影响。本文提出一种新型的钢筋混凝土梁柱节点构造方式，即钢套箍钢筋混凝土梁柱节点。按此节点构造方式制作了2个钢筋混凝土梁柱组合体试件，进行低周反复加载试验。分析了其节点区抗剪承载力、破坏特征、滞洄耗能等性能。并采用有限元软件ABAQUS进行了补充分析。结果表明建议的节点构造方式不仅能够极大地方便节点部位的混凝土施工，并且具有良好的承载能力和抗震性能。
대우상규강근혼응토량주절점，경상출현량종근재절점내긴밀배렬、좌우교착이도치혼응토요축곤난적정황。상교적량종근처우동일표고，왕왕수요대량종근진행만절처리。저기급시공대래료불편，우사구건적수력성능수도영향。본문제출일충신형적강근혼응토량주절점구조방식，즉강투고강근혼응토량주절점。안차절점구조방식제작료2개강근혼응토량주조합체시건，진행저주반복가재시험。분석료기절점구항전승재력、파배특정、체회모능등성능。병채용유한원연건ABAQUS진행료보충분석。결과표명건의적절점구조방식불부능구겁대지방편절점부위적혼응토시공，병차구유량호적승재능력화항진성능。
Ordinary RC beam-column joint is the place where the longitudinal bars of beams meet and cross each other,this often makes the joint space so crowded that the concrete is hard to be casted and vibrated .Furthermore,since the longitudinal bars from different directions are at the same height,some of them have to be bended to avoid inconvenience.These problems not only bring some difficulties to consctruction,but also cause some impacts on the behavior of components.Here,a new type of RC beam-column joint,i.e.,steel-hoop RC joint was proposed.Two steel-hoop RC beam-column joints were made,and with them pseudo-static tests were carried out under cyclic loading.The shear capacity,failure modes,and ductility as well as energy dissipation of the two joints were studied.Several FE models were established and analyzed with ABAQUS.The results showed that the suggested new type of RC joint can significantly improve the convenience of concrete construction,and achieve good performances of load-bearing capacity and aseismic ability.