上海市基本建设中水泥缺口已成为当前突出的矛盾。市建委对节约水泥采取了一系列措施,并强调要把推广外掺磨细粉煤灰作为当前节约水泥的主攻方向。并颁布了混凝土中应用粉煤灰的技术要求(试行),主要内容如下:一、应用范围1、必须使用范围:地下和水中混凝土和钢筋 The cement gap in Shanghai’s capital construction has become a prominent contradiction. The municipal construction committee took a series of measures to save cement, and stressed that it was necessary to promote the use of ground fly ash as the main direction for cement conservation. The technical requirements for the application of fly ash in concrete (for trial implementation) are promulgated. The main contents are as follows: First, the scope of application 1, the scope of use must be: underground and underwater concrete and steel reinforcement