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地表沉降监测是盾构信息化施工的重要组成部分,对优化盾构施工参数,保证施工安全具有十分重要的意义。为了及时共享和反馈监测成果,提高监测信息管理与数据分析的效率,采用Microsoft Visual Studio.Net编程技术和MySQL数据库开发了沉降自动化监测及数据移动发布系统,实现了24 h监测数据的自动化采集、分析和移动端推送,并将该系统应用于南宁轨道交通1号线盾构隧道下穿南宁火车站铁路股道及站房工程,获得盾构推进过程中的地表沉降及火车轨道沉降的变化规律。通过监测数据和分析成果的及时反馈,优化了盾构机施工参数,有效保证了盾构掘进和周边环境的安全。
Surface subsidence monitoring is an important part of shield information construction. It is of great significance to optimize shield construction parameters and ensure construction safety. In order to timely share and feedback the monitoring results and improve the efficiency of monitoring information management and data analysis, the automatic monitoring and data movement distribution system of subsidence was developed by using Microsoft Visual Studio.Net programming technology and MySQL database to realize the 24 h monitoring data acquisition, Analysis and mobile push, and the system is applied to the shield tunnel of Nanning Metro Line 1 under the railway track and station building of Nanning Railway Station, and the law of surface subsidence and train track settlement during shield advancement is obtained . Through the timely feedback of monitoring data and analysis results, the construction parameters of shield machine are optimized, which effectively ensures the safety of shield tunneling and the surrounding environment.