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Decision-making method for rapid demolition scheme of urban typical bridge

A decision-making method and scheme technology, which is applied in the field of bridge construction, can solve problems such as prone to accidents, bridge safety, reliability and traffic capacity are difficult to meet, and there are many processes, so as to improve accuracy and reliability, and clearly and effectively respond to decision-making The effect of the result

Pending Publication Date: 2020-09-15
CCCC SECOND HIGHWAY CONSULTANTS CO LTD
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Problems solved by technology

[0002] With the accelerated development of urbanization in my country, the structural resistance of bridges declines rapidly due to factors such as congenital design and construction quality defects, changes in use functions, road network re-planning, environmental erosion and vehicle overloading during operation, and the safety and security of many bridges. The reliability and traffic capacity are difficult to meet the growing traffic demand, and the demand for demolition is increasing
However, typical urban bridges are located in densely populated areas with heavy traffic flow. Conventional bridge demolition solutions cannot meet the needs of rapid and safe demolition and smooth traffic at the same time, which brings great challenges to the demolition project.
In the existing technology, the demolition project involves many procedures, complex processes, and difficult construction, which is prone to accidents, resulting in painful casualties and huge economic losses. The demolition plan is highly subjective

Method used

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  • Decision-making method for rapid demolition scheme of urban typical bridge
  • Decision-making method for rapid demolition scheme of urban typical bridge
  • Decision-making method for rapid demolition scheme of urban typical bridge

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Embodiment Construction

[0018] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments to facilitate a clear understanding of the present invention, but they do not limit the present invention.

[0019] Such as figure 1 As shown, the present invention provides a kind of urban typical bridge rapid demolition scheme decision-making method, comprises the following steps:

[0020] 1. Analyze the confrontation of the bridge structure based on the obtained relevant index parameters of the bridge to be demolished and alternative demolition schemes, and initially select up to six rapid demolition schemes;

[0021] 2. Then use TOPSIS, entropy method, MNO analytic hierarchy process, MNO entropy method + analytic hierarchy process and MNO entropy method + gray relational method to sort the alternatives respectively, and obtain the optimal solution after the conclusion is unified.

[0022] The present invention can use the high-level...

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Abstract

The invention provides a decision-making method for a rapid demolition scheme of an urban typical bridge. The decision-making method is characterized by comprising the following steps: a, acquiring related index parameters of a to-be-demolished bridge; b, obtaining a selectable dismantling scheme; c, calculating the resistance scores of all the demolition schemes based on the related index parameters of the to-be-demolished bridge, and selecting a plurality of demolition schemes with weaker resistance as an alternative scheme set; d, performing single-method decision making on all the alternative schemes through multiple multi-criterion decision making methods; and e, performing unified processing on a plurality of decision results and finishing comprehensive decision sorting, wherein thedecision result with the highest sorting is the optimal quick dismantling scheme. Aiming at the defects in the prior art, the invention provides the decision-making method for the rapid removal schemeof the urban typical bridge, and the most suitable bridge removal method is effectively selected.

Description

technical field [0001] The invention relates to the technical field of bridge construction, in particular to a decision-making method for a quick demolition scheme of a typical urban bridge. Background technique [0002] With the accelerated development of urbanization in my country, the structural resistance of bridges declines rapidly due to factors such as congenital design and construction quality defects, changes in use functions, road network re-planning, environmental erosion and vehicle overloading during operation, and the safety and security of many bridges. Reliability and traffic capacity are difficult to meet the growing traffic demand, and the demand for demolition is increasing. However, typical urban bridges are located in densely populated areas and have a large traffic flow. Conventional bridge demolition schemes cannot meet the needs of rapid and safe demolition and smooth traffic at the same time, which brings great challenges to the demolition project. I...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/08
CPCG06Q10/0637G06Q50/08
Inventor 陈金州余顺新宋林夏飞段宝山李谦吴大健王志刚
Owner CCCC SECOND HIGHWAY CONSULTANTS CO LTD
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