Design Of Semi-connected Bridge Deflection Monitor System Based On Liquid Pressure Measurement

At first,this paper expounds the research background and significance of bridge deflection monitoring,through the analysis of the technical principle of the existing bridge deflection monitoring,summarizes the limitations and advantages and disadvantages of the current bridge deflection monitoring technology on the usage,providing a theoretical guidance for the improvement of the existing bridge deflection monitoring system.Based on the current situation of deflection monitoring and the demand of bridge deflection monitoring,this paper mainly expounds the design and implementation of the semi-interconnected bridge deflection monitoring system based on liquid pressure measurement.In this paper,the main research contents include:1.Summarized the research background and significance of bridge deflection monitoring,summed up the documentation related to bridge deflection monitoring and analyzed the existing bridge deflection monitoring technology.2.According to semi-interconnected liquid pressure measuring principle,the deflection monitoring hardware system was constructed by selecting specific pressure sensors,temperature sensors,liquid storage tank,air exhausting devices and other hardware equipment.3.The demand for deflection monitoring system was analyzed using UML technology.Through functional requirements analysis,the deflection monitoring system should meet such functional requirements as system login,system data acquisition,system parameter configuration,equipment management,remote monitoring,data query,etc.;through performance requirements analysis,the deflection monitoring system should meet such performance requirements as safety,reliability and advancement.4.Based on the system requirements,the system architecture,functional architecture and function module were designed and implemented using C# and B/S technology;the system database was designed using MYSQL database technology so as to meet the needs of the monitoring data storage and construct the overall framework of the deflection monitoring system software.5.Conducted simulation test to the system in the application environment where the system was put into use,understood whether there is any irrationality for the designed system in function module and performance and improved in a timely manner so as to meet the actual work demands.The deflection monitoring system can meet the liquid pressure measurement verified by the system test,better realizing the measurement of semi-interconnected bridge deflection.