US 11,815,497 B2
Triaxial test apparatus for measuring eroded soil particle under action of seepage force
Yuanqiang Cai, Hangzhou (CN); Honglei Sun, Hangzhou (CN); Tingyu Wu, Hangzhou (CN); and Yaochen Jiang, Hangzhou (CN)
Assigned to ZHEJIANG UNIVERSITY OF TECHNOLOGY, Hangzhou (CN)
Filed by ZHEJIANG UNIVERSITY OF TECHNOLOGY, Hangzhou (CN)
Filed on Jan. 26, 2022, as Appl. No. 17/584,393.
Claims priority of application No. 202110114668.9 (CN), filed on Jan. 28, 2021.
Prior Publication US 2022/0236156 A1, Jul. 28, 2022
Int. Cl. G01N 3/12 (2006.01); G01N 15/08 (2006.01); G01N 15/02 (2006.01); G01N 3/02 (2006.01); G01N 33/24 (2006.01)
CPC G01N 3/12 (2013.01) [G01N 3/02 (2013.01); G01N 33/24 (2013.01); G01N 2203/0019 (2013.01); G01N 2203/0256 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A triaxial test apparatus for measuring eroded soil particles under action of seepage force, comprising a constant-flow seepage system, a soil particle transport grading measurement system, a large-range volume pressure control vacuum system and a data processing and analyzing system, wherein the constant-flow seepage system is connected to the soil particle transport grading measurement system and the large-range volume pressure control vacuum system by means of pipelines separately, and the constant-flow seepage system, the soil particle transport grading measurement system and the large-range volume pressure control vacuum system are connected to the data processing and analyzing system by means of lines separately; the constant-flow seepage system comprises a triaxial cell, an axial-force applying unit and a confining pressure applying unit, the triaxial cell comprising a cell outer cover, a base and a top cap, wherein a soil sample is arranged between the base and the top cap, the cell outer cover is mounted on the base, a taper hole is provided in the base, a first open hole and a second open hole are provided in the taper hole, the first open hole is connected to the large-range volume pressure control vacuum system by means of a first pipeline, a first flowmeter is arranged on the pipeline, the second open hole is connected to a confining pressure device by means of a second pipeline, the top cap is provided with an inverted taper hole, a third open hole and a fourth open hole are provided in the inverted taper hole, the third open hole is connected to a pressure sensor by means of a third pipeline, the fourth open hole is connected to the soil particle transport grading measurement system by means of a fourth pipeline, and a sensor and a second flowmeter are arranged on the fourth pipeline.