Research and Application on Beidou Navigation Technology in Displacement and Deformation Monitoring During Ship Lock Construction and Operation

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Abstract : *(250~1000 words)

There will be high slopes during the construction of inland river ship locks. Moreover，the stability of high slopes has always been an important safety issue in the construction process . It causes huge economic losses and even casualties. It is particularly important to predict the occurrence of safety accidents in advance through the changing trends to solve how to effectively monitor the safety of high slope and find potential safety hazards in time.
     After the completion of the project, effective monitoring methods are also required during the operation of the ship lock in order to avoid safety accidents such as the collapse of the structural main body of the ship lock.
     Based on the Beidou high-precision positioning technology, this paper studies the application of the displacement automatic monitoring system in the construction process of the ship lock project and after the delivery and operation. The system is mainly composed of sensor subsystem, data transmission subsystem, data processing and control subsystem and auxiliary support subsystem. For the storage, management, query, statistics and analysis of monitoring data, it can effectively monitor the displacement of high slopes during the construction process, and find out the abnormal displacement in time. In case of slope instability, a graded warning will be issued to avoid unexpected security incidents.During the operation of the ship lock, it can monitor the displacement change of the main body of the ship lock chamber for a long time to ensure the normal operation of the ship lock.
     Taking the construction site of ship lock project in Xijiang inland river basin as the application example, this paper designs a datum point and several monitoring points, carries out the real-time displacement monitoring of high slope in the whole construction period, tests the main functions of the monitoring system, and briefly analyzes the monitoring data and monitoring results. At the same time, the monitoring system is applied to the monitoring of the operation period of the ship lock after the construction, and the deformation of the lock chamber is monitored and analyzed for a long time.

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PIANC Smart Rivers 2022

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