韩国江原大学石料复合新材料研究中心开发利用煤矸石生产聚合物混凝土的新技术。 这种混凝土是把经过砂石粉碎机粉碎的直径为13μm的煤矸石颗粒和砂子,以7∶3的比例搅拌后,加入专门的合成树脂而制成的。该混凝土与普通混凝土相比,强度可提高4～5倍,且吸震能力强,用该混凝土可制成铁路枕木、车床底座、地下管道、非装饰用瓷砖、人造大理石等。用这种混凝土生产的下水管道,可耐盐和酸 The New Materials Research Center for Stone Composites at Gangwon University in Korea developed a new technology for the production of polymer concrete from coal gangue. This type of concrete was prepared by pulverizing a gangue particle having a diameter of 13 μm and sand by a gravel grinder and stirring the mixture at a ratio of 7:3 and adding a special synthetic resin. Compared with ordinary concrete, the concrete can increase its strength by 4 to 5 times and has strong shock-absorbing ability. The concrete can be used to make railway sleepers, lathe bases, underground pipes, non-decorative tiles, and artificial marble. Sewer pipes produced with this concrete are resistant to salt and acid