Methods of testing concrete, Method 12.2: Determination of mass per unit volume of hardened concrete - Water displacement method
混凝土试验方法 方法12.2:硬化混凝土单位体积质量的测定-水置换法
This Standard sets out a method for determining the mass per unit volume of hardened concrete by a method involving weighing the specimen in a specified moisture condition and determining its volume by weighing the saturated specimen in water and also in air.