丙烯酸球场基面处理方法(国外英文资料).docVIP

丙烯酸球场基面处理方法(国外英文资料) Acrylic ground processing method Mr Tong crown For stadium like acrylic coatings, basic processing is very important, quality of acrylic base level of the pitch a lot may affect acrylic stadium construction and later use, so you need to staff very seriously. First, lets look at the basic requirements of the acrylic pitch: 1, cement concrete foundation, label is not lower than C25, not less than 150 mm, the thickness of concrete infrastructure must have moistureproof layer, around must have a drainage ditch, concrete surface finishing, ordinary texture level best, according to the different of the site, and casting concrete or reinforced concrete, should be in the proper position of cutting expansion joints. After the cement concrete foundation is finished, after 28 days, the acrylic material will be constructed after the water treatment. 2, asphalt concrete foundation were strongly recommended, general advice shop pressure hot mix asphalt concrete, thickness of not less than 70 mm, 40 mm thick coarse asphalt concrete, 30 mm thick thin asphalt concrete, must have a drainage ditch, around without cutting expansion joints. After completion of asphalt concrete foundation, it must be maintained for 28 days, (the weather is good at least 15 days), after the water treatment, the acrylic material will be constructed. The asphalt concrete is not less than 95%. Acrylic ground processing: Check the base surface First of all, the base surface of the foundation of acrylic is not covered by oil, and the oil slick has a certain effect on the mudflats of water-based acrylic course materials. Whether cement foundation ground or asphalt ground, the ground can not have loose, bulgy phenomenon. For loosening up problems in the ground, the general treatment method is to use the hammer, or is to use grinder to grind, ensure that the entire site present a compact, flat, and rigid plane. Revise the base surface Cement base surface must be polished and pickling, the con