Geotechnical engineering safety monitoring system

Abstract

The invention discloses a geotechnical engineering safety monitoring system. The geotechnical engineering safety monitoring system comprises a data collection apparatus, a base station device and a safety monitoring center; and the data collection apparatus comprises a plurality of sensor nodes connected by a wireless sensor network, each sensor node is used for collecting geotechnical safety monitoring data and sending the same to the base station device, and the base station device aggregates the safety monitoring data sent by the sensor nodes and transmits the safety monitoring data to thesafety monitoring center. The geotechnical engineering safety monitoring system disclosed by the invention realizes the real-time collection, instant collection and instant utilization functions of the safety monitoring data, and solves the problems brought by onsite sensor installation and embedding and signal cable layout. According to the geotechnical engineering safety monitoring system disclosed by the invention, a plurality of sensors can be densely deployed according to the size of a safety monitoring project area without considering the cable deployment congestion degree, so that the monitoring dead zones are reduced; and a large amount of data are collected and processed through the wireless sensor network, thereby improving the monitoring accuracy.

Description

technical field [0001] The invention relates to the technical field of geotechnical structure monitoring, in particular to a geotechnical engineering safety monitoring system. Background technique [0002] At present, the safety monitoring of geotechnical engineering is mainly to evaluate the main structure of railways, highways, water conservancy and hydropower projects, slopes on both banks, foundations, soil displacement and settlement through instrument observation and patrol inspection, and judge the safety of the project , to provide management basis for supervisors, or to make risk warnings to prevent disasters and accidents. The main problems existing in the existing monitoring methods are: 1. The installation and embedding process of sensors is complicated, the amount of sensor signal cables is large, and the cable layout is labor-intensive and time-consuming; A large amount buried in the concrete will reduce the structural strength and bring safety hazards. Once t...

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Problems solved by technology

The main problems existing in the existing monitoring methods are: 1. The installation and embedding process of sensors is complicated, the amount of sensor signal cables is large, and the cable layout is labor-intensive and time-consuming; A large amount buried in the concrete will reduce the structural strength and bring safety hazards. Once the cables are damaged during construction, the safety monitoring equipment will not work properly; 3. After the sensor is installed and buried, the signal cable will be led to MCU (data acquisition equipment), MCU is responsible for converting analog signals into digital signals, MCU is connected to PC to obtain data for analysis, and in the case of unattended, technicians are usually sent regularly to carry data transmission and storage equipment to the site for connection The MCU acquires data, so there are many signal transmission levels, data utilization lag, and slow response speed defects in data collection and utilization.

Although the method of obtaining data through CDMA / GPRS public wireless data network has been widely used in recent years, its reliability has also been questioned due to various uncertain factors in the long-distance data transmission link.

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