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1 修复材料性能指标

Table 1 Repair material properties

Material DPS reinforcing agent ZX-03 corrosion conversion agent PCI-2015 rust inhibitor Appearance Transparence Brownish black Amber Density 1.10 g/cm3 - 0.88-1.00 kg/L pH value 11 - 10-12 Viscosity 11.1/s - 11 mPa·s Surface tension 20.7 mN/m - 32.5 Gelation time 280 min - - State - Liquid - Active ingredient content - 72% - Volatile organic compounds content - <60 g/L - Amount of coating - 0.3-0.7 kg/m2 - Drying time (25 ℃) - 12 h - Surface tension - ≈32.5 mN/m Flash point - ≥90 ℃