The ZYY-IIB Direct Shear Pre-pressing Apparatus is a kind of special apparatus designed to provide specimen before test, it will bring vertical pressure on the specimen to make it drain and consolidate so as to quicken shear test. It consists of specimen mold, weights, loading hanger and 12:1 loading lever device to make the specimen in normal force as well as once thirty-six specimens can be made, etc. Specifications: .Sample area: 30cm? .Max. capacity: 1.2kN .Lever ratio: 12:1 .Max. pressure: 400kPa .Pressure level: 50kPa, 100kPa, 200kPa, 300kPa, 400kPa .Sample quantity: 12 .Weight: 30 x 1.277kg, 9 x 2.55kg .Dimension: 760 x 880 x 1020mm (L x W x H) .Weight: 130kg (including weights) .Sample's quantity in one test: 36 pieces Features: .Vessel and table made from complete stainless steel .Table can be set levelling