本文件规定了两种新拌混凝土取样程序，即复合取样和 抽样。 注1:在新拌混凝土试验前或进行试验前，重新混合样品的要求 样本，包括在相关标准中。 在实验室进行混凝土搅拌和取样时，可能需要不同的程序。 注2:在这种情况下，第6条g）项适用。 此外，本标准列出了EN 12350系列和EN 12390-2两个或多个标准中提到的常用仪器。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document specifies two procedures for sampling fresh concrete, by composite sampling and by spot sampling. NOTE 1 The requirement for remixing the sample before tests on the fresh concrete, or before making test specimens, is included in the relevant standards. When mixing and sampling concrete is done in a laboratory, different procedures may be required. NOTE 2 In this case Clause 6, item g) applies. Additionally, this standard lists common apparatus mentioned in two or more standards of EN 12350 series and EN 12390-2.All current amendments available at time of purchase are included with the purchase of this document.