浅谈普通混凝土用天然砂的筛分析试验

Discussion on the screen analysis test about the natural sand used in the common concrete

规范化试验、检测工作的内容,程序,和相关管理方法,并指出砂的筛分析试验是既常用又重要的试验参数,必须提供准确可靠的数据,用以评定混凝土用砂的质量。

standardized test and inspection work, the contents of the program, and related management method, and points out the sieve analysis of test is sand and important as the test parameters of commonly used, must provide accurate and reliable data to evaluate the quality of concrete with sand.