近海环境下锈蚀箍筋约束混凝土本构模型

郑山锁,郑跃,董立国,可亮,张艺欣

Constitutive model of confined concrete by corroded stirrups in coastal environment

Shan-suo ZHENG,Yue ZHENG,Li-guo DONG,Liang KE,Yi-xin ZHANG

表 1 锈蚀箍筋混凝土棱柱体试件设计参数

Tab.1 Test parameters of corroded hoop concrete prism

试件编号 混凝土强度 箍筋 μt/% w/mm ηs/% 试件编号 混凝土强度 箍筋 μt/% w/mm ηs/% L1 C30 ϕ6@60 mm 1.57 0 0 L19 C40 ϕ6@80 mm 1.18 1.0 7.13 L2 C30 ϕ6@60 mm 1.57 0.8 4.11 L20 C40 ϕ6@80 mm 1.18 1.3 11.12 L3 C30 ϕ6@60 mm 1.57 1.0 7.23 L21 C40 ϕ8@80 mm 2.13 0 0 L4 C30 ϕ6@60 mm 1.57 1.3 10.98 L22 C40 ϕ8@80 mm 2.13 0.8 3.54 L5 C30 ϕ6@80 mm 1.18 0 0 L23 C40 ϕ8@80 mm 2.13 1.0 6.43 L6 C30 ϕ6@80 mm 1.18 0.8 4.33 L24 C40 ϕ8@80 mm 2.13 1.3 10.33 L7 C30 ϕ6@80 mm 1.18 1.0 7.55 L25 C50 ϕ6@60 mm 1.57 0 0 L8 C30 ϕ6@80 mm 1.18 1.3 11.43 L26 C50 ϕ6@60 mm 1.57 0.8 3.78 L9 C30 ϕ8@80 mm 2.13 0 0 L27 C50 ϕ6@60 mm 1.57 1.0 7.31 L10 C30 ϕ8@80 mm 2.13 0.8 3.66 L28 C50 ϕ6@60 mm 1.57 1.3 11.03 L11 C30 ϕ8@80 mm 2.13 1.0 6.67 L29 C50 ϕ6@80 mm 1.18 0 0 L12 C30 ϕ8@80 mm 2.13 1.3 10.56 L30 C50 ϕ6@80 mm 1.18 0.8 3.64 L13 C40 ϕ6@60 mm 1.57 0 0 L31 C50 ϕ6@80 mm 1.18 1.0 6.88 L14 C40 ϕ6@60 mm 1.57 0.8 3.87 L32 C50 ϕ6@80 mm 1.18 1.3 11.56 L15 C40 ϕ6@60 mm 1.57 1.0 7.01 L33 C50 ϕ8@80 mm 2.13 0 0 L16 C40 ϕ6@60 mm 1.57 1.3 10.77 L34 C50 ϕ8@80 mm 2.13 0.8 3.38 L17 C40 ϕ6@80 mm 1.18 0 0 L35 C50 ϕ8@80 mm 2.13 1.0 6.21 L18 C40 ϕ6@80 mm 1.18 0.8 4.01 L36 C50 ϕ8@80 mm 2.13 1.3 9.98