Methods of test for masonry units - Part 19: Determination of moisture expansion of large horizontally perforated clay masonry units
砖石单元测试方法 - 第19部分:大型水平穿孔粘土砖石混凝土单元的水分膨胀测定
This European Standard specifies an accelerated method of determining the moisture expansion of large clay units with horizontal perforations that have one dimension equal to or greater than 400 mm and shell thicknesses less than 12 mm.