| 摘要 |
PURPOSE: A concrete paving/grinding device is provided to perform the flatness measuring before and after construction for the quality test of grinding work simultaneously with the grinding work on concrete paving. CONSTITUTION: A first wheel(120) is installed on the lower part of a body(110). The first wheel moves the body back and forth. A grinding unit(130) is installed on the lower part of the body. The grinding unit performs grinding work on the surface of concrete pavement. A flatness measuring unit(140) measures the flatness of the concrete pavement on the front and the rear of the grinding unit before and after the grinding work. |
