本文介绍了标准砂标准样品的主要特性、用途及与其他标准样品的区别,同时介绍了国内外标准砂标准样品的生产和管理情况,重点介绍了我国标准砂的生产、使用、管理的背景情况,标准砂质量管理对水泥强度检验和保证工程质量的重要意义。 This paper introduces the main characteristics and uses of standard sand samples and their differences from other standard samples. At the same time, it introduces the production and management of standard samples at home and abroad, and introduces the background of the production, use and management of standard sand products in China , The standard sand quality management of cement strength test and ensure the quality of the project is of great significance.