Device for measuring soil permeability coefficient with variable head

• Main Authors: ZHOU YATING, WANG WENZHENG, HAN XIAO, DI TONGYU, CHEN XUANYI
• Format: Patent
• Language: Chinese; English
• Published: 14.05.2019
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention provides a device for measuring a soil permeability coefficient with a variable head. The device comprises a test bracket, a sealing cover, a test cylinder, a hole net, a water tank anda variable head pipe, wherein a to-be-measured soil body is placed in the test cylinder, the test cylinder is placed on the test bracket, the sealing cover, the test cylinder, the hole net and the water tank are sequentially connected from top to bottom, the test cylinder comprises a test cylinder upper part and a test cylinder lower part that are in threaded connection, and the upper and lower ends of the test cylinder upper part and the test cylinder lower part are both opened, a plurality of overflow holes which are arranged at equal intervals are arranged on the cylinder wall of the test cylinder upper part, the variable head pipe is vertically connected at the overflow holes, the upper end of the hole net is opened, the lower end of the hole net is closed and provided with a pluralityof small holes, porous st