【摘要】 比较详细地分析了复合胶凝材料的各种影响因素，研究了掺４０％以上粉煤灰制备的复合胶凝材料．试验证实其抗折强度大于６０ＭＰａ，抗压强度大于１６０ＭＰａ，为粉煤灰利用开辟了新途途。更多还原

【Abstract】 Various affecting factors of the composite cementitions material are comparatively analyzed in detail and the composite cementitious material prepared with fly ash added by 40% is atudied Tests prove that its flexure strength is more than 60MPa and its compressive strength more than 160MPa. opening up a new path for fly ash utilization.更多还原