High strength and high water permeable pavement brick and preparation method thereof

The invention discloses a high strength and high water permeable pavement brick and a preparation method thereof. The high strength and high water permeable pavement brick is prepared from the following components in parts by weight: 40 to 60 parts of cement, 10 to 20 parts of coarse aggregate, 5 to 10 parts of enhanced ceramsite, 3 to 8 parts of glass bead, 2 to 6 parts of microlite, 1 to 3 partsof nano titanium dioxide, 2 to 8 parts of polyethylene fiber, 5 to 15 parts of modified straw powder, 0.5 to 1.5 parts of cellulose ether, 0.4 to 0.8 part of water reducing agent, 0.2 to 0.6 part ofbinding agent, 30 to 50 parts of deionized water. The pavement brick disclosed by the invention is excellent in water permeability, good in strength and impact resistance. 本发明公开了种高强度高透水性路面砖及其制备方法，包括如下重量份数的组分：水泥40-60份、粗骨料10-20份、增强陶粒5-10份、玻化微珠3-8份、微晶石2-6份、纳米二氧化钛1-3份、聚乙烯纤维2-8份、改性秸秆粉5-15份、纤维素醚0.5-1.5份、减水剂0.4-0.8份、粘结剂0.2-0.6份、去离子水30-50份。本发明的路面砖透水性能优异，且强度、抗冲击性能好。