Pipe jacking pipe body friction resistance and soil body disturbance test model assembly for geotechnical centrifuge experiment

• Main Authors: WEN JIWEI, HAN XIANMIN, ZHU ZHENGGUO, LI XINZHI, LI WENJIANG, YUE JINSHUAI, FAN HAOBO, XIANG TIAN, GUO XIAOLONG, ZHI MOMO
• Format: Patent
• Language: Chinese; English
• Published: 08.11.2022
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model provides a model assembly for testing pipe-jacking pipe body friction resistance and soil disturbance for geotechnical centrifuge experiments, which comprises a model box frame, and a partition plate divides the interior of the model box frame into a left part and a right part which are equal along the long axis direction; the two rock-soil boxes are both arranged in the middle area of the bottom face of the inner space of the model box frame, the pipe joints penetrate through holes formed in the middles of the rock-soil boxes, grouting holes are formed in the pipe joints at intervals, a plurality of roller supports are arranged in the middles of the lower ends of the pipe joints, the middles of the outer sides of the vertical faces of the brackets are fixedly connected with the lead screws, and the rear ends of the pipe joints are placed on the planes of the brackets. And the grout storage box is communicated with a grouting hole formed in the pipe joint at the grout outlet joint. According