The invention provides a ceramsite water permeable
brick, which comprises the following components by weight: 80-100 parts of ceramsite, 10-15 parts of
silicon sand, 20-40 parts of
cement, a setting accelerator accounting for 2-4% of the weight of the ceramsite, and a water
reducing agent accounting for 2-4% of the weight of the ceramsite. According to the invention,
silicon sand dust made ceramsite is combined with a small quantity of
cement, the setting accelerator, the water
reducing agent and a
silicon sand fabric to manufacture the ceramsite water permeable
brick. One the one hand, the water permeable
brick has a beautiful appearance, and on the other hand it combines the lightweight and high strength characteristics of ceramsite. At the same time, ceramsite is round stone rather than polygonal, and usually the gap between round objects is larger than that between polygonal objects, so that the prepared water permeable brick has good permeability effect. The water permeable brick prepared by the method has
compressive strength of greater than or equal to 30Mpa and a
permeability coefficient of greater than or equal to 0.05cm / s, and the other properties of the brick meet the JCT945-2005 industrial standard.