Studies On Subgrade Settlement Wireless Monitoring System

Wireless monitoring system of subgrade settlement is a system which collect real-time data through sensors and general packet radio service during and after the period of construction. It is capable of predicting the final settlement of soft rock embankment according to the data with the settlement formula, and then find out the soft rock embankment deformation law to solve the technical problems of soft rock embankment construction.Wireless monitoring system of subgrade settlement mainly includes monitoring unit, data acquisition unit, wireless communications unit, database management unit and so on. Design and application of wireless monitoring system of subgrade settlement has important scientific significance as well as important practical significance. It will play an active role in the development of digital and intelligent road projects.The thesis studies on the three key parts of wireless monitoring system of subgrade settlement:①t he DSP subgrade settlement wireless data acquisition sub-unit,②the GPRS wireless communications sub-unit,③the manage database sub-unit based on the Delphi 6.0 and Micro SQL Server 2000.When the data acquisition unit and the wireless communications unit are made one electronic circuit board, it can hold some new functions as acquisition of kinds of data, simple data processing, data transmission and so on. It provides the basis for the wireless monitoring system of subgrade settlement and other monitoring of other large-scale buildings. The wireless monitoring system of subgrade settlement has a friendly man-machine contact surface and can achieve the management of the subgrade settlement information.