400m standard plastic track data calculation method on how to calculate each point 400 meters dash plastic track, how to design a fixed point, need some basic data. We require standard venues and facilities in accordance with IAAF standards manual sport track data: perimeter 400 meters, which should be 36.5 m radius curve, straight to avoid the blinding effect of low sun position along the north-south direction. 8 runway should bend, each 1.22 m wide runway, there are 10 straight runway. Inside of the runway safety area of ??not less than one meter, the best there are one meter outside of the safe zone, the starting area at least 3 meters of plastic runway line, at least 17 meters sprint buffer segment. Shall not exceed the maximum tilt runway about 1: 1000, a downward gradient running direction shall not exceed 1: 1000, the runway is semicircular curve, and the most inner radius is 36 meters, width of 1.2 per track meters, the existing eight runway. Since the known standard runway length of 400 meters, is the length of the inner runway, and know the innermost radius of 36 meters, so you just need to find the inner corners of the runway perimeter and two semicircles then with 400 meters of the perimeter and minus two corners, long straights get. Silicon pu Stadium 400-3.14 × 36 × 2≈174 ÷ 2 = 87m, the fourth full-length runway by the fourth lap of the two semi-circular curve and plus two straights and get in front of face already know length straights are: 87, so the first four full-length runway is: 87 × 2 + 2 × 3.14 × (36 + 1.2 × 3) ≈423m. Management and maintenance of plastic runway plastic runway, also known as all-weather athletics track, with good flatness, high compressive strength, stable physical performance characteristics conducive to athletes develop speed and skills to effectively improve campaign results. In brought us so much dedication outside, we also need to do first and foremost on the plastic track handle and protect the job! Together to know about. 1, after the completion of plastic track laying, maintenance needs 7-10 days before use. 2, the plastic runway must have drainage under the conditions of use of silicon pu-weather stadium habit. Plastic runway as transport initiate exercises, games and students stop and fitness training purposes, does not apply for other purposes; 3, to avoid harm purification supplies, often kept clean plastic track, avoid strong mechanical shock and friction, banning plastic vehicles traveling on the runway runway maintenance, heap ballast and sharp things, etc. (standard running shoes out). Launched a special operation necessary to stop wearing shoes, nail length does not exceed 7 mm single, jumping shoes, not to exceed 11 mm single. If there is a long nail to stop shoelaces, no permission to use the plastic runway. ; 4, to avoid temporary load; 5, fireworks and avoid blocking heat, avoid contact with organic solvents, chemicals, cigarette butts, and other fires, purification and the like. 6, shall be subject to rare water spray to clean, clean plastic surface over a large number of water to get rid of a dry cloth. Oil stains available 10% ammonia or detergent, laundry detergent to wipe clean. Plastic runway material | plastic runway | Qin sports facilities provided by the West 安秦氏 Sports Limited. West 安秦氏 Sports Facilities Co. (www.xaqs6688.com) strong, credible, in Xi'an plastic flooring industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving Qin innovative ideas will lead into the brilliant sports and you work for a better future!