Risk management and control system for tunnel construction based on space and time parameters

A tunnel construction and control system technology, applied in image data processing, measuring devices, instruments, etc., can solve the problem of monitoring data error amplification, final displacement and stress prediction cannot provide accurate reference data, and cannot realize real-time monitoring and accurate early warning Function and other issues, to achieve the effect of eliminating deformation of the tunnel structure and fast and accurate visualization

Active Publication Date: 2019-11-05
北京住总集团有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] The monitoring device provided by the above-mentioned patent is only suitable for the subsequent settlement stage after the passage of the shield tunnel. However, during the advancing process of the shield tunnel, the deformation and stress changes at the initial time after tunnel excavation are relatively fast. The monitoring device provided by this patent is only suitable for The burial measurement can be carried out after the shield passes through, resulting in the initial readings obtained cannot provide accurate reference data for the final displacement and stress prediction in the later stage, which will further lead to error amplification between the follow-up and surface settlement monitoring data, which cannot be realized True real-time monitoring and accurate early warn

Method used

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  • Risk management and control system for tunnel construction based on space and time parameters
  • Risk management and control system for tunnel construction based on space and time parameters
  • Risk management and control system for tunnel construction based on space and time parameters

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Embodiment 1

[0037] Such as figure 2 As shown, a tunnel construction risk management and control system based on space and time parameters, the tunnel construction risk management and control system at least includes a plurality of ground three-dimensional laser scanning devices and a plurality of data processing modules, wherein the first data processing module 1 is configured as : Perform data processing on multiple 3D point cloud data on the surface of each tunnel section acquired by multiple ground 3D laser scanning devices and their corresponding 3D coordinates in the space coordinate system, so as to determine the continuous points in the 3D coordinates The spatial correlation function between the surfaces of the tunnel sections is based on the spatial correlation function and the imported BIM three-dimensional information simulation model is corrected to obtain a dynamically updated BIM three-dimensional information measurement model of the tunnel to be built. The second data proces...

Embodiment 2

[0066] Such as image 3 As shown, a tunnel construction risk management and control method based on space and time parameters, at least includes the following steps:

[0067] S1: Import the BIM three-dimensional information simulation model of the tunnel to be built before the tunneling of the shield machine, and segment the BIM three-dimensional information simulation model through the risk source based on the segmentation conditions, and the tunnel to be built along its length direction It is divided into multiple tunnel sections, and at least one ground three-dimensional laser scanning device is instructed to scan the surface of each tunnel section under construction during the excavation process of the shield machine.

[0068] According to a preferred embodiment, the step S1 includes at least the following steps: before the tunneling of the shield machine, at least three consecutive tunnel sections whose lengths are different from each other are determined, and based on th...

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Abstract

The invention relates to a risk management and control system for tunnel construction based on space and time parameters. The system at least comprises a plurality of ground three-dimensional laser scanning devices and a plurality of data processing modules, wherein the first data processing module is configured to determine a space correlation function between every two continuous tunnel sectionsurfaces in three-dimensional coordinates, and based on the space correlation functions, an imported BIM three-dimensional informatization simulation model is instructed for being corrected, so that aBIM three-dimensional informatization measurement model with a dynamic update of a to-be-constructed tunnel is obtained; the second data processing module is configured to analyze detection values ofdifferent tunnel section surfaces in the space correlation functions and determine a time-varying space correlation function of each tunnel section surface, a time-varying trend of each tunnel section surface is indicated based on the corresponding time-varying space correlation function, surface varying values obtained through calculation are judged according to a preset varying threshold, and automatic early warning is conducted for the tunnel sections with the surface varying values exceeding the preset varying threshold.

Description

technical field [0001] The present invention relates to the technical field of risk assessment of shield tunnels, the technical field of construction engineering prediction, and the technical field of shield tunneling engineering, and in particular to a tunnel construction risk management and control system based on space and time parameters. Background technique [0002] Tunnels and underground projects face great risks during the construction phase. The risks are caused by many aspects, including internal factors and external factors, which are specifically reflected in the structure itself, the surrounding hydrological strata materials, the environmental status and requirements of the surrounding construction, and the construction. technology and operational level etc. [0003] The continuous agglomeration of population to cities has led to a rapid increase in the density of urban population and building area, resulting in less and less available ground space in cities. ...

Claims

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Application Information

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IPC IPC(8): G01B11/24G01B11/00G06T17/00
CPCG01B11/24G01B11/002G06T17/00
Inventor 付春青秦东平张功高玉春毕欣杨纬华
Owner 北京住总集团有限责任公司
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