水泥胶砂流动度测定仪测量结果的不确定度评定

Uncertainty of Measurement Analysis and Evaluation of Flow Table for Determination Cement Mortar Fluidity

水泥胶砂流动度测定仪是水泥胶砂流动度实验指定的设备,广泛应用于建材检测、市政检测行业。本文介绍了水泥胶砂流动度测定仪测量结果的不确定度评定方法,分析了可能影响测量结果的各项不确定度分量,并给出了计算方法和公式,经过在实际工作中的应用,证明其满足工作要求。

Flow table for determination cement mortar fluidity is the equipment specified in the cement-sand fluidity test. It is widely used in building material testing and municipal inspection industry. This paper introduces the uncertainty evaluation method of the measuring results of the flow table for determination cement mortar fluidity,and analyses the uncertainty components that may affect the measurement results. The calculation method and formula were given. It is proved that it meets the requirements of work in practice.