Inorganic coating anti-freezing composite concrete and preparation method thereof

The invention discloses inorganic coating anti-freezing composite concrete and a preparation method thereof, and belongs to the technical field of concrete. According to the technical scheme, the inorganic coating anti-freezing composite concrete comprises the following components in parts by weight: 418 parts of cement; 22 parts of silica fume; 785 parts of sand; 999 parts of stones; 4.4 parts ofan additive; 176 parts of water; wherein the additive comprises an XTHPA environment-friendly high-permeability inorganic crystalline waterproofing agent (permeability type) (hereinafter referred toas XTHPA permeability type) and a polycarboxylate superplasticizer in a weight ratio of 1: 1; and the outer coating adopts an XTHPS high-permeability reinforced sealant (composite type) (hereinafter referred to as XTHPS composite type). The anti-freezing agent is simple in formula, good in anti-freezing durability and suitable for various engineering projects in alpine regions. 本发明公开了一种无机涂层抗冻复合混凝土及其制备方法，属于混凝土技术领域。采用的技术方案是：