| 摘要 |
PROBLEM TO BE SOLVED: To provide an all-weather elastic pavement repaired body formed by repairing, at low cost, an existing all-weather elastic pavement body deteriorated with time into a pavement body with excellent traveling feeling according to the standard values of the International Amateur Athletic Federation (IAAF) and a method of repairing the all-weather elastic pavement body. SOLUTION: An existing all-weather elastic pavement body is cut out by a predetermined thickness 2-4 mm from the surface. A large number of core holes 7 are formed in the cutout surface 6 at predetermined intervals by using a drill. When the core holes are formed, its volume ratio is 16-54 capacity%. Next, the core holes 7 are filled with a low foam denaturation polyurethane resin 8 with a foam factor of 1.40-1.55. Also, a surface layer with a thickness according to the cutout thickness is formed on the polyurethane resin by using a 100% polyurethane resin. COPYRIGHT: (C)2009,JPO&INPIT
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