| 1. | The technique includes waste recovery , recycle asphalt preparation , regenerative agent choice and dosage , petroleum asphalt mix proportion , recycle asphalt mixture agitation , spreading and rolling , and so on 利用废旧沥青混合料再生后筑路,不仅可以使废弃的旧沥青、砂石料重新得到利用,节省大量建设资金和矿山、石油等资源,而且可以减轻因旧沥青混合料废弃造成的环境污染。 |