由碱骨料反应引起的大坝和水电站混凝土膨胀往往可能花费很多年的时间来加以认识和判别。依据作者的经验， 给出了一些这方面的指导， 以帮助对其进行认识。这些指导是多方面的， 同时也取决于可能受影响工程的类型 Concrete and concrete expansion in dams and hydropower stations caused by alkali aggregate reactions can often take many years to recognize and discriminate. Based on the author’s experience, some guidance is given to help understand this. These guidelines are multifaceted and depend on the type of project that may be affected