粉煤灰筑路经验交流及推广会议于7月中旬在长春市召开,来自14个省、市的交通、城建、水力、院校等部门代表共98人,会议收到资料28份。会议的主要内容:一是交流利用粉煤灰筑路的经验;二是审议修改了“石灰、粉煤灰混合料路面基层施工技术”为制订有关规范作准备。会上代表们介绍了本单位用二灰 Fly ash road construction experience exchange and promotion meeting held in Changchun in mid-July, from 14 provinces, municipalities, traffic, urban construction, hydraulic, institutions and other departments a total of 98 representatives, the meeting received 28 copies. The main contents of the meeting: First, to exchange experience in using fly ash to build roads; second, to review and amend the “lime, fly ash mixture pavement grassroots construction technology” in preparation for the formulation of relevant norms. Delegates at the meeting introduced the unit with lime