About permeable block 1. Raw material requirements of inorganic water retaining permeable sponge brick The cement shall comply with the corresponding provisions in GB 175, GB / T 2015 and JC 933, and ordinary portland cement or Portland cement with strength grade of 42.5 shall be selected. Fly ash shall comply with GB / T 1596 and ground slag shall comply with GB / T 18046. The fine aggregate should meet the requirements of GB / T 14684, and the river sand with gradation of 0.5 ~ 1.0 mm should be selected; The gravel and pebble shall meet the requirements of GB / T 14685, and the gravel with mud content ≤ 1%, sand content ≤ 10%, needle like particle content ≤ 10% and class II requirements of GB / T 14685 shall be selected; Lightweight aggregate shall comply with GB / T 17431.1; Heavy ore slag shall meet the requirements of Yb / T 4178. Admixtures shall comply with GB 8076, and shall be attached with product instructions and quality guarantee. The water shall meet the requirements of JGJ 63. The natural or artificial colored aggregate used shall be tested before use to prove that the product performance meets the requirements of this standard. The added colored aggregate will not have adverse effect on the durability of products. The pigment shall comply with JC / T 539. The radioactivity of aggregates, colored aggregates and admixtures shall comply with the provisions of GB 6566. The quality of other materials shall meet the requirements of relevant standards. The raw materials without standards shall be inspected before use, and the product performance shall meet the requirements of this standard before use. First formula Per cubic meter of permeable brick material: 1. Cement: 350-400kg (PO. 42.5 cement 16-19%) 2. Inorganic enhancer: 10kgs (0.5% of the total amount of agitated material)(optional) 3.stone chips: 1640kg-1600kg 4. Water cement ratio: 0.25-0.32 (subject to the actual usage in site construction) 5. Density of mixture: 2000 / m3 6. Spraying amount of color protective agent: 0.16kg/m2 (provided by our company) (optional) www.gxhongfa.cn 1 Email:sales06@gxhongfa.com Second formula Material ratio of permeable brick or normal paver block Type compressive strength (second optional) Raw material consumption of permeable brick（kg/m3） Gelling agent (optional) cement Stone chip （ φ 3-6mm） Sand （ φ 0.5-1.0mm） Water 1529 81 97.5-109.2 1610 97.5-109.2 Bottom material C35-C45 10 390 Face color material C35-C45 10 390 Note Water cement ratio: 0.25-0.28 The cement is ordinary portland cement, code P.O 42.5. Normal Paver block can use stone power instead of Stone chip, or only use stone power, depends on your raw material cost, all are adjusted. Production requirements of permeable brick for 60mm thickness permeable brick thickness Unit mm Face color material 3-5mm sand 0.5-1.0 Bottom material 55-57mm Stone chip 3.0-6.0 www.gxhongfa.cn Material Size mm 2 Email:sales06@gxhongfa.com
