Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Shield tunnel structure anti-seismic safety evaluation method based on pattern recognition

A technology for shield tunneling and safety evaluation, which is applied in earthwork drilling, mining equipment, mining equipment, etc., can solve the problems of lack of technical specification standards, rough evaluation results, lack of mechanical performance indicators of tunnel lining structures, etc., and improve the accuracy performance, scientific evaluation system, and rigorous theoretical basis

Active Publication Date: 2020-04-17
DONGGUAN UNIV OF TECH
View PDF5 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The shortcomings of this type of method are: (1) Most of the factors affecting the seismic safety of tunnels are qualitative indicators, and the risk assessment and classification are carried out according to engineering experience. Performance indicators; (2) The seismic safety evaluation indicators and evaluation criteria of tunnels are not clearly expressed, and there is a lack of corresponding technical specifications and standards
[0003] Therefore, the evaluation results obtained by the rough processing of the existing methods will be relatively rough, and it is difficult to guarantee the reliability of the seismic safety evaluation results of the shield tunnel structure

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Shield tunnel structure anti-seismic safety evaluation method based on pattern recognition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0041] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.

[0042] It should be noted that the structures shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for the understanding and reading of those who are familiar with this technology, and are not used to limit the conditions for the implementation of the present invention. Therefore, It has no technical substantive meaning, and any modification or adjustment of the structur...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to the technical field of tunnel engineering, in particular to a shield tunnel structure anti-seismic safety evaluation method based on pattern recognition. The method comprisesthe following steps: a, forming a characteristic space based on shield tunnel anti-seismic analysis theory practice data research and influence factor selection; b, setting a tunnel anti-seismic property requirement grade according to technical specification requirements, selecting a shield tunnel anti-seismic property index and establishing and calculating a shield tunnel anti-seismic safety evaluation result; c, applying shield tunnel seismic response finite element software under the condition of assignment of each type of influence factors, calculating seismic performance index values, determining a tunnel seismic safety evaluation result and constructing a knowledge base of a relation model of the influence factors, the safety evaluation indexes and the safety evaluation result; andd, adopting a mode identification method to obtain a tunnel structure anti-seismic safety evaluation result according to the real-time data of each influence factor in the shield tunnel operation period. The anti-seismic safety evaluation method for the shield tunnel structure is beneficial to improving the accuracy of the evaluation result.

Description

technical field [0001] The invention relates to the technical field of tunnel engineering, in particular to a pattern recognition-based seismic safety evaluation method for shield tunnel structures. Background technique [0002] Earthquakes can cause huge loss of life and property. At present, during the rapid development of domestic subway construction and operation and maintenance technology innovation, the seismic research of shield tunnels has become a very urgent and important task for the earthquake resistance and disaster reduction of urban lifeline projects. For the seismic performance evaluation method of shield tunnels, the evaluation method based on fuzzy mathematics theory is generally used, and each risk factor is divided into groups such as risk evaluation, and then after weighted average processing, the seismic risk evaluation risk index of the tunnel body is obtained. The shortcomings of this type of method are: (1) Most of the factors affecting the seismic ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): E21F17/00
CPCE21F17/00
Inventor 田管凤马宏伟姜慧
Owner DONGGUAN UNIV OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com