Tunnel
1. Monitoring Background
China has a vast territory and complex geographical conditions. my country has a vast territory and a complex geographical environment. Since tunnels can shorten mileage, protect the environment, improve line shape, and improve railway traffic conditions, modern high-speed railways, highways, urban rail transit, etc., when encountering complex terrain and geological conditions, mostly use tunnel construction. Tunnels are concealed underground projects with complex geological conditions and many potential and unpredictable geological factors. Tunnels are linear projects, some of which are large in scale and can be several kilometers or even tens of kilometers long. They often cross many different environmental airspaces and time domains. The engineering conditions are often complex and sometimes very harsh. If you are not careful, it will cause landslides, subsidence, mud and water gushing, deformation of support structures, injuries to personnel and equipment, etc., which will seriously affect the safety of the tunnel. In order to ensure the safety of tunnel projects and timely predict dangerous situations, it is very important to monitor and evaluate the safety and stability of tunnel projects. This is mainly to understand the operation of tunnels through monitoring means. The establishment of a monitoring system to monitor, evaluate and predict tunnel projects in order to seek benefits and avoid harm has become an urgent need for the development of modern tunnel projects.
2. System Overview
The tunnel online monitoring system provides targeted monitoring solutions for the key and difficult monitoring issues throughout the entire life cycle of the tunnel, ensuring the safety of tunnel construction and operation.
Main monitoring contents
Monitoring basis
Technical Code for Construction of Highway Tunnel JTG/T 3660-2020
Technical Code for Construction Monitoring of Highway Tunnels (draft for comments)
Technical Specification for Urban Tunnel Maintenance DB41/T 1271-2016
Technical Specification for Monitoring and Measurement of Railway Tunnel Q/CR9218-2015
Technical Specification for Maintenance of Highway Tunnel JTG H12-2015
JTGF60-2009 of Technical Specifications for Construction of Highway Tunnels
TB10121-2007 of Technical Regulations for Monitoring and Measurement of Railway Tunnels
System function
Data big screen
Customized data large screen to meet the different needs of customers, showing different data information.
real-time monitoring
24 hours uninterrupted real-time monitoring.
Data alarm
According to the different range of monitoring and control indicators, the early warning is divided into three levels for monitoring process management, and the monitoring data is compared with the three-level early warning value to determine the monitoring and early warning level of the site. And through the platform, SMS and email to notify the relevant responsible person.
Data analysis
Including comparative analysis, correlation analysis, time domain analysis, frequency domain analysis and other analysis methods.
Patrol inspection and maintenance
Make patrol inspection plan, record, repair and maintain the diseased parts.
Report generation
Users can set different report generation rules based on customized report templates and general report templates, and automatically generate their own monitoring data reports.
Security Assessment
Combined with the inspection record data, monitoring data and detection data, the weight of different parts of the structure is scored, and finally the overall safety score of the structure is obtained.
