Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention provides a stone pavement anti-efflorescence method. The stone pavement anti-efflorescence method comprises the following steps: (1) cleaning stones, and naturally air-drying or drying the stones; (2) adding water in a bonding material which is composed of low-alkali cement, bentonite, rosin resin, redispersible powder, cellulose ether, water repellent and water reducing agent, and adding the mixture in a grinding machine for high-speed stirring so as to obtain stone glue; (3) paving after mixing the stones and the stone glue uniformly and at a low speed in a mixer, and firmly sealing stone gaps by using the stone glue; (4) after the pavement, painting a waterproof agent on the whole surfaces of the stones. The raw materials of the stone pavement anti-efflorescence method are rational in formula, good in compatibility, relatively low in cost and nontoxic; the pavement technology is simple and easy to operate; the path leading to efflorescence of the stones can be well cut off, and products such as Ca(OH)2 and salts and water invasion are reduced, so that the stones have no efflorescence phenomenon for a long time. Procedures and expense for later maintenance are reduced.
The invention provides a stone pavement anti-efflorescence method. The stone pavement anti-efflorescence method comprises the following steps: (1) cleaning stones, and naturally air-drying or drying the stones; (2) adding water in a bonding material which is composed of low-alkali cement, bentonite, rosin resin, redispersible powder, cellulose ether, water repellent and water reducing agent, and adding the mixture in a grinding machine for high-speed stirring so as to obtain stone glue; (3) paving after mixing the stones and the stone glue uniformly and at a low speed in a mixer, and firmly sealing stone gaps by using the stone glue; (4) after the pavement, painting a waterproof agent on the whole surfaces of the stones. The raw materials of the stone pavement anti-efflorescence method are rational in formula, good in compatibility, relatively low in cost and nontoxic; the pavement technology is simple and easy to operate; the path leading to efflorescence of the stones can be well cut off, and products such as Ca(OH)2 and salts and water invasion are reduced, so that the stones have no efflorescence phenomenon for a long time. Procedures and expense for later maintenance are reduced.
Method for preventing efflorescence in stone pavement
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