Automatic Monitoring System in Underground Engineering Construction: Review and Prospect

Abstract

Automatic monitoring system is one of the main means to ensure the safety of underground engineering construction. This paper summarizes the current international research and application status of the underground engineering monitoring system from three aspects of data acquisition, data transmission, and data processing and emphatically introduces the mainstream new technology of the monitoring system. Furthermore, this paper puts forward specific and implementable technical routes based on the current intelligent technology and the challenges faced by future monitoring, which can provide direction and reference for future research, including high-precision real-time acquisition and safe and reliable transmission of monitoring data, multisource data fusion, and the visual intelligent early warning platform.

Review of Application and Innovation of Geotextiles in Geotechnical Engineering

“…Intelligent geotextiles are also the trend of geotextile development. At present, the integration of optical fiber sensors into geotextiles can make geotextiles have the functions of reinforcement, structural safety monitoring, and early warning [12,39,40]. The latest development of natural geotextile, intelligent geotextile, and high-performance geotextile will be summarized in detail below.…”

“…At present, natural geotextiles can replace synthetic geotextiles in 50% of all applications [9,10]. With the integration of optical fiber sensor into geotextiles, geotextiles are also developing towards the field of multi-functional intelligence [11,12]. When the intelligent geotextiles are applied to the reinforcement of the geotechnical structure, it can also carry out the health monitoring of the geotechnical structure, so as to ensure that the geotechnical structure and its locations with high failure and damage risk can be found in the early stage, which is conducive to prevention and maintenance in advance [13,14].…”

Advantages of IoT-Based Geotechnical Monitoring Systems Integrating Automatic Procedures for Data Acquisition and Elaboration

“…For example, multiparameter approaches have been introduced in subway construction sites, where traditional EWS based on single-sensor data and simple models are not suitable for such complex frameworks [ 14 , 15 , 16 ]. In fact, more recent systems are able to acquire information from multiple sensors thanks to the integration of wireless networks to connect every device installed on-site [ 16 , 17 , 18 ].…”

Geohazards, reflection and challenges in Mountain tunnel construction of China: a data collection from 2002 to 2018

“…Some countermeasures such as construction ventilation facilities, in advance geological prediction, detection equipment for explosive gases are recommended for accident prevention. There are many countermeasures have been successfully implemented to prevent water inrush disaster during tunneling, such as the grouting techniques (Wang et al 2020a(Wang et al , 2020b(Wang et al , 2020c, ground freezing (Hu and Deng 2016) and pipe roofing reinforcement ( Wu et al 2020a( Wu et al , 2020b, dewatering (Wu et al 2018), and pilot drainage method (Dammyr et al 2017). Among all the aforementioned countermeasures, the grouting techniques like curtain grouting (Zhang et al 2014) and jet grouting (Shi et al 2014) are commonly used for handling water inrush in tunnel construction.…”