Deep foundation pit risk assessment method based on data fusion analysis

A technology of risk assessment and data fusion, applied in data processing applications, electrical digital data processing, special data processing applications, etc., can solve problems such as undetermined risk sources, save recording work, improve accuracy, and have a high degree of intelligence Effect

Active Publication Date: 2013-01-16
SHANGHAI TUNNEL ENG CO LTD +2
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  • Abstract
  • Description
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Problems solved by technology

In fact, before the accident, the monitoring data showed certain signs that the project was facing great risks. However, the r

Method used

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Embodiment Construction

[0017] In order to facilitate a further understanding of the structure of the present invention, the present invention will be further described below in conjunction with specific examples.

[0018] A deep foundation pit risk assessment method based on data fusion analysis of the present invention first establishes a three-dimensional digital model of a deep foundation pit project with the help of computer-aided technology, and the model can reflect the three-dimensional characteristics of the foundation pit project, including the type of foundation pit enclosure structure and size, type and depth of support system, excavation method and depth of foundation pit and other parameters. In the construction stage of deep foundation pit engineering, input construction conditions and monitoring data into the model, and generate construction logs and monitoring reports. With the help of the digital model that integrates a large amount of engineering data, combined with the finite elem...

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Abstract

The invention discloses a deep foundation pit risk assessment method based on data fusion analysis. A foundation pit engineering three-dimensional digital model constructed according to a computer aided technology can completely record and vividly display all pieces of information of foundation pit construction and can automatically generate a construction log and a monitoring report, so that a constructor or a technicist can execute operation conveniently, and the work for recording complicated construction information of foundation pit engineering is eliminated. By a finite element analysis technology and the conventional risk assessment method for static assessment, single-monitoring-item dynamic assessment and multi-monitoring-item relevance assessment, the shortcoming of fuzzy judgment of the conventional risk assessment method is overcome; through a large amount of data fusion, a series of risk sources in an engineering progress process can be comprehensively judged, and a targeted strategy is supplied; and the intelligence degree is extremely high. According to the method, a learning mode can be adopted; and a risk judgment rule is added or corrected, so that the risk assessment accuracy can be continuously completed.

Description

technical field [0001] The invention relates to a construction risk assessment method for deep foundation pit engineering of housing construction, rail transit, municipal facilities and other projects, in particular to a deep foundation pit risk assessment method based on data fusion analysis. Background technique [0002] With the rapid development of underground space development at home and abroad, foundation pit engineering presents a trend of "big, deep, tight, and close", and its construction difficulty and risk are increasing. How to control the construction risk of deep foundation pit engineering has become a concern at home and abroad hotspots. Deep foundation pit engineering has the characteristics of regionality, comprehensiveness, and uncertainty, and the risks faced by different foundation pit projects are also different. With the progress of the project, the same foundation pit project is affected by changes in geological conditions and construction conditions...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06F17/50
Inventor 朱雁飞潘伟强王建华陈锦剑侯永茂沈尉杜毅
Owner SHANGHAI TUNNEL ENG CO LTD
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