Back wall deformation monitoring system and method for pipe jacking construction

• Main Authors: ZHANG SHUAISHUAI, FENG ZHANBING, GU YANG, ZHANG BIN, LIU JIANHUI, WANG DAPENG, XU JIAYI, YANG SHUMIN, WANG XINPING, SHI HAILONG, LIU SHUO, HAN ZHEN, LI CAN, QI TENGWU, WU DONGSHENG, HUANG SHENGBAO, GUO SHIRONG, GUO JIANBO, AN YACHAO, LYU CHENGLIN, LIU BO, WANG ZHEN, ZHANG LIFU, ZHOU CHANGGENG
• Format: Patent
• Language: Chinese; English
• Published: 12.07.2024
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; MEASURING QUANTITY OF HEAT; MEASURING TEMPERATURE; PHYSICS; TESTING; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR

The invention relates to the technical field of rectangular pipe jacking construction monitoring, and provides a back wall deformation monitoring system and method for pipe jacking construction, and the system comprises a distributed sensing optical fiber strain monitoring mechanism which comprises distributed sensing optical fibers; the distributed sensing optical fiber is arranged in a stress area, corresponding to the pipe jacking support, of the back of the back wall; the displacement monitoring mechanism comprises an LVDT displacement sensor; the LVDT displacement sensor is arranged on a stress area, corresponding to the pipe jacking support, of the back of the back wall. The reaction frame strain monitoring mechanism comprises a plurality of reaction frames and vibrating wire strain gauges; the reaction frames are supported on a stress area, corresponding to the jacking pipe support, of the back of the back wall at intervals; and the vibrating wire strain gauge is arranged on the reaction frame. Accordi