【摘要】 简要分析了采集自上海地区的不同商品粉煤灰的品质特性及其与新拌混凝土性能和强度的关系 ,综合评价了它们在混凝土中作用的异同 ,并对商品灰的开发提出了几点看法。更多还原

【Abstract】 The quality and properties of different type of commercial fly ash, collected in Shanghai district, and properties of fresh mixture and strength of concrete made with them are briefly introduced. And their different or same fuctions in concrete are comprehansively commented on. Meanwhile, some views for development of commercial fly ash are put forward.更多还原