砌体与HPFL组合圈梁构造柱房屋结构抗震试验研究

Investigation on Aseismic Performance of HPFL-brick Composite Structural Concrete Column and Ring Beam

设置构造柱和圈梁是提高砌体结构房屋抗震能力的有效措施。针对传统砖混房屋R.C.圈梁、构造柱的复杂工艺,提出了HPFL与砖砌体形成组合圈梁构造柱的简易形式。通过HPFL窄条带组合砖圈梁构造柱的足尺寸模型震动台试验,观测、分析HPFL窄条带组合砖圈梁构造柱结构的抗震能力。试验结果表明:HPFL窄条带组合砖圈梁构造柱的抗震效果较好,既可以对已有砌体房屋进行加固,也适用于新建砌体房屋,可代替传统的圈梁构造柱。根据试验结果和理论分析,将砌体结构所受的地震作用分成墙体及框架结构两部分计算,提出了HPFL窄条带抗震计算公式,可供工程结构设计参考使用。

Setting reinforced structural concrete column and ring beam is the most effective measure to improve the seismic capacity of masonry structure.In view of the complex process of the traditional R.C.structural concrete column and ring beam,a simple form of High Performance Ferrocement Laminate（HPFL）and brick masonry combined structural concrete column and ring beam was proposed,which is useful for masonry structures in the vast rural areas.The full-scale model experiment was taken to observe and analyze the aseismic ability of HPFL narrow strip combined structural concrete column and ring beam.The experimental results show that,HPFL narrow strip combined structural concrete column and ring beam has obviously aseismic capability,HPFL can strengthen brick masonry buildings which are existing and is suitable for new housing.Using HPFL narrow strip combined structural concrete column and ring beam to replace traditional structural concrete column and ring beam is feasible.According to experiment results and theoretical analysis,the horizontal earthquake seismic effect on masonry structure can be divided into that on walls and that on frame system two parts to analyse and calculate,a calculation formula is proposed for HPFL narrow strip combined structural concrete column and ring beam,which may give a reference to engineering structural design.