性传播疾病-1盘类型液体的限制装置

STDS-1 Disc Type Liquid Limit Device 1. The apparatus contains a brass pan, which is used to accommodate soil specimens, a base made from fine vulcanite, an impacting device, that is to say, a cam, which is used to set the distance between the pan and the base at 1 cm, a calculator and a groove handler. 2. It is used to determine the liquid limit of the soil, to classify the soil, to provide soil consistency and plastic index needed in design and construction. 3. Electric motor as power 4. Falling frequency of the disc 120 strikes/min 5. Embedded a strike counter 6. The operation is referred to ASTMD318 the Standard Method of Soil Liquid Limit test.