Multi-hole combined pipe jacking model test device and test method

• Main Authors: ZHANG HAISHAN, WU XIANG, SU DONG, CHEN XIANGSHENG, ZHOU NING, CAO YUXIN, XIE JUN, DENG YIYING, YU HONGXIN, SHU WENPENG, LONG WEIYI
• Format: Patent
• Language: Chinese; English
• Published: 12.01.2024
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR

The invention discloses a multi-hole combined pipe jacking model test device and method in the technical field of pipe jacking construction, the device comprises a workbench, the workbench is provided with a pushing motor distribution box, a reaction frame and at least two adjacent pushing units, and the pushing distances of the at least two adjacent pushing units are different. Each pushing unit comprises a gear and rack pushing machine, an integrated guide pipe jacking shell located on the front side of the gear and rack pushing machine and a cutter head assembly located at the front end of the integrated guide pipe jacking shell and connected with the gear and rack pushing machine, and the gear and rack pushing machine is arranged on the reaction frame and electrically connected with the pushing motor distribution box; according to the method, a test operation table is controlled to sequentially push forward in a segmented mode according to a test scheme, and finally the multiple segments of the integrated