Shield tunnel excavation model test box

• Main Authors: LI JUN, WANG FEI, LIU PENG, LIU JIANHONG, LIU XIAOGANG, LI GUOLIANG, YIN LONGJUAN, DING ZHENGQUAN, WANG XULIN, ZHANG JING, DU KONGZE, HUANG SHUANGLIN, ZHAO XIAOYONG
• Format: Patent
• Language: Chinese; English
• Published: 20.08.2021
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention relates to a shield tunnel excavation model test box. A box body front part, a box body rear part, two side walls of the box body and the bottom of the box body are steel plates; tempered glass layers are arranged in the inner sides of the front portion of the box body, and tempered glass of the tempered glass layers is fixed to a steel plate on the front portion of the box body through fixing bolts; reinforcing ribs are arranged in the outer sides of the steel plates, and a simulation duct piece is arranged in the box body in a penetrating manner; a fiber bragg grating is arranged in the outer side of the simulation segment; a piston is arranged in the simulation duct piece, the piston is connected with loading equipment through a piston rod, a hydraulic cavity for containing the hydraulic oil is formed between the piston and the sealing end of the simulation duct piece, the inner space of the box body on the outer side of the simulation duct piece is filled with the soil body, and the existing