Remote three-dimensional digital alarm method and system of deformation stability of primary tunnel supporting body

Abstract

The invention relates to remote three-dimensional digital alarm method and system of the deformation stability of a primary tunnel supporting body. In the invention, a three-dimensional strain numerical model of a tunnel excavation supporting body in a construction area is established on the basis of tunnel construction area geological survey data and a FLAC (Free Lossless Audio Codec) 3D technology; an intelligent displacement back analysis model is established on the basis of a differential evolution method, and a three-dimensional visualized safe alarm platform is established on the basis of a VTK (Visualization Toolkit) business software system; the real-time deformation monitoring data of the tunnel supporting body is acquired by a full-section laser scanner arranged between two lining areas and transmitted to a remote user computer; obtained actual measurement displacement data is subjected to the displacement forward and back analysis of the differential evolution method by the three-dimensional strain numerical model and the intelligent displacement back analysis model of the tunnel excavation supporting body and displayed through the three-dimensional visualized safe alarm platform; the grading alarm of the deformation stability of a tunnel supporting structure is carried out by analyzing an actual measurement displacement value and the deformation threshold value of the primary tunnel supporting body, which is obtained through the displacement forward and back analysis, and alarm information is sent to a mobile phone of a related person in a mobile phone text message way so that the alarm of the deformation stability of the primary tunnel supporting body is completed, and therefore, the construction safety is enhanced.

Description

technical field [0001] The invention belongs to the field of tunnel and underground engineering construction, and is used for early warning of the stability of the primary support of the tunnel; in particular, it relates to a remote three-dimensional digital early warning method for the deformation stability of the primary support of the tunnel. The invention also relates to a remote control method for the deformation stability of the primary support of the tunnel. Three-dimensional digital early warning system. Background technique [0002] Construction safety control of railways, highway tunnels and underground projects is always a difficult problem. Deformation and failure of primary support occur frequently during tunnel construction, which poses a threat to the life safety of construction workers. Therefore, it is of great engineering significance to carry out technical research on the safety early warning of tunnel primary support stability. [0003] At home and ...

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Problems solved by technology

[0003] At home and abroad, there is still little research on the safety early warning of the deformation stability of the primary support body of the tunnel. Up to now, there has not been a tunnel that integrates the 3D strain numerical model of the tunnel excavation support body, the intelligent displacement back analysis model, and the 3D visual safety early warning platform. Literature reports on three-dimensional digital safety early warning of primary support deformation stability

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