Testing system for base layer sedimentation model of immersed tube tunnel and operation method of testing system

• Main Authors: HUANG YINGXING, WEI GANG, QIU HUIJIE, YANG ZEFEI, WANG DONGDI, XING JIANJIAN
• Format: Patent
• Language: Chinese; English
• Published: 30.04.2014
• Subjects: GYROSCOPIC INSTRUMENTS; MEASURING; MEASURING DISTANCES, LEVELS OR BEARINGS; NAVIGATION; PHOTOGRAMMETRY OR VIDEOGRAMMETRY; PHYSICS; SURVEYING; TESTING

The invention discloses a testing system for a base layer sedimentation model of an immersed tube tunnel and an operation method of the testing system. The testing system comprises a model water tank, tube joint models, a gantry crane, a measuring frame, dial indicators, a sand injection machine, a water check valve, a sand injection tube, cushion blocks and jacks, wherein the cushion blocks are distributed at the bottom of the model water tank; the jacks are arranged on the cushion blocks; the tube joint models are placed on the jacks; the gantry crane and the measuring frame are arranged above the model water tank; the dial indicators are fixed on the measuring frame; a measuring head of each dial indicator props against each tube joint model; a sand injection hole is formed in each tube joint model and is connected with the water check valve; a valve is arranged on the sand injection tube; the sand injection machine is connected with the water check valve through the sand injection tube. Compared with the