A kind of permeable brick and preparation method thereof
A technology of permeable bricks and cement, applied in sustainable waste treatment, solid waste management, climate sustainability, etc., can solve the problems of pollution, large consumption of land requisition, construction costs for garbage removal, and the environment of flying lime and sand. , to reduce environmental risks, solve the low utilization rate of resources, reduce mining and even waste.
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Embodiment 1
[0023] A permeable brick. The raw materials of the permeable brick include: aggregate, cement, silica fume, water reducing agent and water. The weight ratio of each component is: aggregate: 1350~1400, cement: 399~445, silica fume: 25~29, water reducing agent: 3~4, water: 105~135; the aggregate is composed of inorganic bottom slag produced after domestic waste is incinerated or gasified, and construction waste including stones and broken bricks. The water reducer is powdered polycarboxylic acid. The mass of inorganic low slag in the aggregate is not higher than 30%.
[0024] In this embodiment: the water-cement ratio is 0.25-0.28, the ash collection ratio is 3.0, the amount of bottom slag accounts for 0-30% of the total aggregate, and the amount of construction waste accounts for 70-100% of the total aggregate. The mixing ratio of raw materials for preparing 1 cubic meter permeable brick is: cement 399.05~444.54kg / m 3 , silica fume 25.47~28.37 kg / m 3 , powder polycarboxylate...
Embodiment 2
[0031] Further optimization on the basis of Example 1.
[0032] Sieve solid wastes such as inorganic bottom slag, stones in construction waste, broken bricks and other solid wastes produced after incineration or gasification of domestic waste with a square hole stone sieve, and then take aggregates with a particle size of 5 to 9.5 mm for use; after testing , the raw material mix ratio for preparing 1 cubic meter of permeable brick is: cement 444.54kg / m 3 , silica fume 28.37 kg / m 3 , water reducer 3.84 kg / m 3 , aggregate 1398.68 kg / m 3 , water 133.50 kg / m 3 ;
[0033] Preparation process and parameters: After infiltration by the cement-wrapped stone method, weigh about 2350g of the stirred material, add it to a self-made abrasive tool with a size of 200mm×100mm×90mm, and then press it on a punching machine with a pressure of 2.5MPa. Static Remove the mold after 1 day. After demoulding, the test pieces are placed in a standard curing box with a temperature of 20±5°C and a ...
Embodiment 3
[0036] Further optimization on the basis of Example 1.
[0037] Sieve solid wastes such as inorganic bottom slag, stones in construction waste, broken bricks and other solid wastes produced after incineration or gasification of domestic waste with a square-hole stone sieve, and then take aggregates with a particle size of 5 to 9.5 mm for use; after testing , the raw material mix ratio for preparing 1 cubic meter of permeable brick is: cement 399.05kg / m 3 , silica fume 25.47 kg / m 3 , water reducer 3.40 kg / m 3 , aggregate 1351.19 kg / m 3 , water 106.98 kg / m 3 ;
[0038] Preparation process and parameters: After infiltration by the cement-wrapped stone method, weigh about 2350g of the stirred material, add it to a self-made abrasive tool with a size of 200mm×100mm×90mm, and then press it on a punching machine with a pressure of 3.0MPa. Static Remove the mold after 1 day. After demoulding, the test pieces are placed in a standard curing box with a temperature of 20±5°C and a hu...
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