再生砖混骨料混凝土柱的小偏心受压性能

孙一李全,赵羽习,孟涛,韦华栋,张云财

Small eccentric compression performance of reinforced concrete column made with recycled brick-mixed aggregate

Yi-liquan SUN,Yu-xi ZHAO,Tao MENG,Hua-dong WEI,Yun-cai ZHANG

表 1 骨料基本性能

Tab.1 Basic properties of aggregate

骨料 dag /mm wbr /% ρ /(kg·m−3) ρL /(kg·m−3) wwa,2h /% wwa,24h /% δa /% 天然细骨料 0~4.5 − 2630 1440 − 0.81 − 天然粗骨料 4.5~31.5 − 2730 1420 − 0.93 − 再生砖混细骨料 0~10.0 20 2410 1120 10.1 13.20 22 再生砖混中骨料 10.0~16.0 21.89 2480 1070 8.0 9.10 21 再生砖混粗骨料 16.0~32.0 12.89 2500 1110 7.9 8.70 18