Methods for sampling and testing aggregates, Method 6.2: Particle density and water absorption of coarse aggregate - Pycnometer method
骨料取样和试验方法 方法6.2:粗骨料的颗粒密度和吸水率-比重瓶法
Specifies the method for determining particle density, apparent particle density and water absorption of aggregate substantially retained on a 4.75 mm sieve by soaking in water, weighing surface dry, weighing in a pycnometer and weighing oven dry.