| 摘要 |
PURPOSE: A dry mortar, resin-added dry mortar, used as repairing and concrete-paving materials is provided, which has high durability and easiness of use due to being mixed with water at construction fields. CONSTITUTION: The dry mortar is prepared by mixing 100pts.wt. of high early-set cement, 180-220pts.wt. of fine aggregates, 220-300pts.wt. of coarse aggregates, 8-15pts.wt. of ethyl vinyl acetate powder resin with 60-80micrometer in a size, and optionally 0.5-2pts.wt. of antifoaming agent, 2-6pts.wt. of shrinkage reducing agent and 0.5-2pts.wt. of water reducing agent.
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