混凝土界面处理工艺对劈裂粘结性能的影响

石建光, 陈银平, 李国聪, 谢益人

Effect of Different Interface Treatment Processes on Anti-stripping Performance of Low Shrinkage-high Viscosity Multi-element Composite Mortar Repaired Concrete Workpiece

SHI Jianguang, CHEN Yinping, LI Guocong, XIE Yiren

表3 劈裂试验平均劈裂强度结果

Table 3 Average splitting tensile strength results of splitting tensile test

Sample No. Steel specifications Carbonization duration / d Process name No. Splitting strength / MPa Maximum error / % 1 - 7 Measure 1 1.49 2.01 2 - 7 Measure 2 1.52 3.28 3 - 7 Measure 3 1.58 5.06 4 ϕ=12 mm 7 Measure 4 1.45 2.06 5 ϕ=12 mm 7 Measure 5 1.55 9.03 6 ϕ=12 mm 7 Measure 6 1.69 9.46 7 - 14 Measure 1 1.46 1.36 8 - 14 Measure 2 1.44 1.39 9 - 14 Measure 3 1.50 3.33 10 ϕ=12 mm 14 Measure 4 1.48 2.70 11 ϕ=12 mm 14 Measure 5 1.53 2.61 12 ϕ=12 mm 14 Measure 6 1.55 3.22 13 - 28 Measure 1 1.48 2.02 14 - 28 Measure 2 1.58 8.22 15 - 28 Measure 3 1.59 6.91 16 ϕ=12 mm 28 Measure 4 1.56 8.33 17 ϕ=12 mm 28 Measure 5 1.57 4.45 18 ϕ=12 mm 28 Measure 6 1.63 9.20