本文介绍了通过采用砂含水率在线测试技术,实时监控细骨料的含水率。该技术能提高混凝土用水量的准确性,使混凝土的工作性能和力学性能更为稳定;砂含水率在线测试技术在提高混凝土质量的同时,还降低了生产人员的劳动负荷,提高了公司的劳动生产率。 This article describes the real-time monitoring of moisture content of fine aggregates by using online testing of sand moisture content. The technology can improve the accuracy of water consumption of concrete, so that the performance of concrete and mechanical properties more stable; sand moisture online test technology to improve the quality of concrete, but also reduce the labor load of production and improve the company’s labor productivity.