套筒浆锚连接柱的抗震性能试验研究

Experimental research on seismic performance of new fabricated column spliced by grout sleeves

提出一种装配框架柱的新型连接形式:套筒浆锚连接形式.采用足尺模型,设计了2个套筒浆锚连接高强箍筋约束混凝土柱和2个现浇普通箍筋柱对比.通过低周反复加载试验,与现浇普通箍筋柱对比,研究套筒浆锚连接高强箍筋约束混凝土柱的承载能力和抗震性能.试验结果表明:此种连接形式可靠,且在相同的条件下套筒浆锚连接高强箍筋约束混凝土柱具有和现浇普通箍筋柱相当的承载能力和耗能能力.

A new connection type of frame fabricated column is proposed i.e. connection type of grout sleeves. By use of the comparable full scale model test method, two confined concrete columns with horizontal strengthened bars spliced by grout sleeves and two cast-in site column with plain stirrups were designed and constructed. Through reversed low cyclic loading test, compared with the cast-in site column with plain stirrups, the bearing capacity and the seismic performance of the confined concrete column with horizontal bar was studied. The test results indicated： This connection type is reliable. And under the same condition, the bearing capacity and the seismic behavior of the confined concrete column with horizontal strengthened bars spliced by grout sleeves are equal to the cast-in-site column with plain stirrups.