| abstract |
The invention discloses a kind of impervious strong concrete building block and preparation method thereof, it is related to concrete segment field, this kind of concrete segment includes following raw material by weight：120 160 parts of portland slag cement, 60 80 parts of coating nano flyash, 20 30 parts of floating bead, 15 25 parts of glass fibre, 10 20 parts of aerating aluminium powder, 10 20 parts of pyrophyllite powder, 10 20 parts of modenite powder, 6 10 parts of potassium peroxydisulfate, 48 parts of polyvinyl alcohol, 37 parts of acrylic acid, 26 parts of N NMAs, 24 parts of early strength agent, 15 parts of water reducer, 13 parts of hydrophober, 15 parts of foaming agent, 13 parts of foam stabilizer.Its preparation method is to stir and evenly mix above raw material to pour to mould, just maintenance cutting steam press maintenance is carried out afterwards, the concrete segment finished product of the present invention is made, this kind of concrete segment resistance to compression, High anti bending strength, waterproof impervious characteristic are good, the security and durability of construction wall are improved, with wide market prospects. |