Risk evaluation method of bridge design

A risk assessment and bridge technology, applied in the field of risk assessment, can solve problems such as affecting the safety of bridges, and achieve the effect of eliminating hidden dangers in design

Inactive Publication Date: 2009-09-09
辛太康
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  • Abstract
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  • Claims
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Problems solved by technology

However, the bridge design stage is one of the key links in the traffic construction process. The safety of the design results directly affects the safety of the built bridge. At the same time, the risk is irreparable in the construction process.

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Embodiment Construction

[0024] The core of the present invention is to determine risk factors affecting bridge design results through Delphi method combined with specific bridge design examples in the bridge design stage, and to classify and analyze the risk factors by using AHP. Furthermore, the possibility of occurrence of each risk factor and its consequences are analyzed qualitatively and quantitatively; finally, the method of statistical analysis is used to evaluate the risk of the design results.

[0025] After using the present invention, quantitative answers can be given simply and intuitively to the risks of bridge design results, and at the same time, risk factors that cause danger can be located to provide a basis for design revision and realize the controllable risks of bridge design.

[0026] Specifically, the qualitative and quantitative analysis of the possibility of each risk factor and its consequences is carried out using mathematical analysis methods, including determining the weigh...

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Abstract

The invention discloses a risk evaluation method of bridge design. The risk evaluation method comprises the following steps: qualitatively and quantitatively analyzing risk factors during a bridge design phase; qualitatively analyzing the existing risk factors by an analytic hierarchy process and quantitatively describing weight and safety degree of various risk factors by a mathematical means; and finally solving weighted average of the safety degree which is a risk evaluation result of the bridge design by a statistical analysis method. The risk evaluation method can provide a quantitative answer for risks of a bridge design result, which is simple and visual. Meanwhile, the risk evaluation method of the bridge design can help locate the risk factors causing risks in the case of the risks of the bridge design result, which provides a basis for design modification and realizes that the bridge design risks can be controlled.

Description

technical field [0001] The invention relates to the field of risk assessment, in particular to a method for risk assessment of bridge design. Background technique [0002] Risk is the uncertainty of loss or the difference from the expected goal; although the risk can be reduced through certain measures, it cannot be eliminated. The objectivity of risk makes the possibility of loss exist objectively. [0003] Once a bridge project as a transportation hub is damaged in accidents and natural disasters, it will cause great economic losses and extremely serious consequences. Therefore, it is very necessary to carry out risk assessment on the bridge construction process. [0004] The bridge construction process can be broadly summarized into three stages: preliminary feasibility study stage, bridge design stage and bridge construction stage. In the preliminary stage of feasibility study, the investment benefits and ecological environment risks of bridge construction are basical...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q90/00G06Q50/00G06Q50/08
Inventor 辛太康刘毅郑秋林陈永鑑张兴文
Owner 辛太康
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