Pervious concrete cementing agent and preparation method thereof

The invention relates to the field of concretes, particularly to a pervious concrete cementing agent and a preparation method thereof. The pervious concrete cementing agent is composed of metal chloride, metal sulfate, inorganic polymer flocculant and water. The prepared pervious concrete cementing agent is reasonable in composition, the components synthesize to effectively improve the strength, the glossiness of the binding interface between the cementing agent and aggregate as well as the pervious effects and meanwhile to reduce sensitivity to abrupt liquidity change. After the pervious concrete cementing agent is applied, the liquidity as well as the 7d compressive strength and the 28d compressive strength of pervious concretes can be significantly improved. 本发明涉及混凝土领域，具体涉及到种透水混凝土胶结料及其制备方法。所述透水混凝土胶结料，包括如下组分：金属氯化物、金属硫酸盐、无机聚合物絮凝剂、水。本发明所制备的胶结料配方合理，各组分协同作用能有效改善强度、胶凝材料与骨料交接界面光泽性以及透水效果，且能够降低流动性突变的敏感性。使用本发明胶结料后，透水混凝土的流动性明显提高，同时7d抗压强度、28d抗压强度也明显提高。