Abstract
MMA and epoxy resin waterproof bonding system are widely used in steel bridge deck pavement at present. Based on the qualification test of raw materials, the quality control research under the influence of multiple factors such as drawing rate, roughness, thickness, temperature and humidity was carried out through pull-out and shear tests. The research showed that: (1) the drawing rate of steel plate + primer + waterproof layer + adhesive layer and epoxy resin should be 10mm/min and 50 mm/min, respectively. (2) the steel plates should be sandblasted to a roughness of level III. The thickness of primer, MMA waterproof layer and adhesive layer should be 60 μm, 2.5mm and 80 μm respectively. The thickness of epoxy resin adhesive layer should be 0.05mm. (3) The construction quality of waterproof bond system was greatly affected by temperature and humidity. The construction temperature should be 25°C, and the relative humidity should not exceed 60%. The research results can provide reference for the selection and quality control of the waterproof bonding system of steel bridge deck.
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