| 摘要 |
A rubber mat for the bottom of a playground is provided to improve durability of a rubber mat by connecting rubber mat blocks using a coupling bar, to absorb an impact by forming a space in a rubber mat, to prevent a rubber mat from floating on stagnant water by installing a drainage tube on the lower part, to have strength of the ground by stabilizing the ground below a rubber mat using a ground stabilization material, and to heighten adhesive property of a rubber mat and the foundation ground by installing a corrosion-resistant wire mesh below a rubber mat. A rubber mat(10) for the bottom of a playground includes rubber mat blocks(100) assembled in the fixed shape, a foundation ground layer(200) made of sand having excellent water permeability and formed on the lower part of the rubber mat blocks, a coupling bar(300) made of silicon, provided with wedge type projections and connecting the side of the rubber mat block and the side of the rubber mat block, and a porous drainage tube(400) formed to make the top contacted to the lower part between the rubber mat block and the rubber mat block and the bottom formed to the fixed depth and provided with an air layer having water permeability, wherein plural spaces are formed in the rubber mat block to absorb an impact effectively and to increase tensile strength of the rubber mat block, thereby to increase service life and to improve quality. In addition, a fixing anchor(500) is installed to fix the location of the rubber mat block, a stabilization ground layer(600) is formed between the rubber mat block and the foundation ground layer to a thickness of 5~7cm by mixing a ground stabilization material with sand and stabilizing to have strength equal to that of concrete, and a wire mesh is installed to the bottom of the rubber mat block and made of rubber or plastics not to be corroded by acid rain. |
