Review Article

Overview: Application of Resin Waterproof Adhesive Materials in Bridge Deck Pavement in China

Table 1

Performance evaluation indicators and requirements of resin-based waterproof adhesive layer.

Test itemsJTG/T 3364-02-2019[2006] No.274GB/T 19250-2013JC/T 975-2005
Epoxy resin IEpoxy resin IIMethyl methacrylateReactive resinPolyurethanePolyurethane

Solid content (%)≥95.0Single: 85.098.0
Double: 92.0
Tensile strength (23°C) (MPa)≥1.0≥3.0≥12.0≥6.0≥2.45
Elongation at break (23°C) (%)≥10≥100≥130≥20≥450≥450
Surface drying time (23°C) (h)≤0.5≤0.5≤12≤4
Hard work time (23°C) (h)≤1.0≤1.0≤24≤8
Impermeability0.3 MPa, 24 h impermeable0.3 MPa, 2 h impermeable0.3 MPa, 30 min impermeable
Water absorption (%)≤0.3≤0.3≤5.0≥0.2
Bonding strength (MPa)≥5.0≥3.0≥5.0≥5.0≥1.0≥0.05
Shear strength (25°C) (MPa)≥3.0≥0.2 (50°C)≥3.0
Low temperature flexibility (°C, no cracks)−20−20−35−40
Hardness (shore hardness D)50–7060
Impact resistance (1 kg, 50 cm)No cracksNo cracks
Heat resistance (°C)160°C without flowing and dripping
Tear strength (N/mm)30
Aging at constant elongationHeating agingNo crack and deformation
Artificial climate agingNo crack and deformation
Heat treatment (80°C, 168 h)Tensile strength retention rate (%)80–15080
Elongation at break (%)≥400≥400
Low temperature flexibility−30°C, no cracks−35°C, no cracks
Heating expansion rate (%)≤1.0
Mass loss≤1.0
Alkali treatment (0.1% NaOH + Ca(OH)2, 168 h)Tensile strength retention rate (%)80–150
Elongation at break (%)≥400
Low temperature flexibility−30°C, no cracks
Acid treatment (2% H2SO4, 168 h)Tensile strength retention rate (%)80–150
Elongation at break (%)≥400
Low temperature flexibility−30°C, no cracks
Artificial climate aging (1000 h)Tensile strength retention rate (%)80–150
Elongation at break (%)≥400
Low temperature flexibility−30°C, no cracks
Salt treatmentTensile strength retention rate (%)80
Elongation at break (%)≥400
Low temperature flexibility−35°C, no cracks
Mass increase≤2.0
Impermeability after hot rolling0.1 MPa, 30 min impermeable