| 摘要 |
<p>PURPOSE:To recycle a waste such as a non-conforming article without reducing the quality of a recycled concrete in recycling of a precast concrete. CONSTITUTION:In recycling a waste from a precast concrete manufacturing factory, a rotary impact type crusher having three or more striking plates is used and the peripheral speed of the top parts of the striking plates is controlled to >=25m/sec.</p> |
