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Deepwater diameter cast-in-situ bored pile construction risk assessment method based on two-dimensional cloud model

A technology for bored piles and risk assessment, applied in the directions of instruments, data processing applications, resources, etc., can solve the problems of strong dependence on experts, the evaluation results are inconsistent with the actual situation, etc., and achieve the effect of improving scientific accuracy.

Pending Publication Date: 2021-10-26
NINGBO UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

At present, in the construction risk assessment of large-diameter bored piles in deep water, the magnification effect of the increase in construction water depth and pile diameter on the construction risk and the differences in risk accidents have not been fully considered. The fuzzy mathematical evaluation model only starts from the fuzzy type of uncertain risk without involving randomness, and does not combine the dual dimensions of probability and loss of risk, and the single subjective and objective weighting method is also highly dependent on experts And there is a possibility that the evaluation results may be contrary to the actual situation, so it is urgent to use a more systematic and effective risk assessment method for large-diameter bored piles in deep water

Method used

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  • Deepwater diameter cast-in-situ bored pile construction risk assessment method based on two-dimensional cloud model
  • Deepwater diameter cast-in-situ bored pile construction risk assessment method based on two-dimensional cloud model
  • Deepwater diameter cast-in-situ bored pile construction risk assessment method based on two-dimensional cloud model

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Embodiment Construction

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0037] The embodiment of the present invention discloses a construction risk assessment method for large-diameter bored piles in deep water based on a two-dimensional cloud model, such as Figure 4 As shown, it includes the following steps:

[0038] Step 1. Carry out construction risk identification

[0039] Conduct investigation and analysis of accident cases in related actual projects, carry out risk identification based on the actual characteristics of the...

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Abstract

The invention discloses a deepwater diameter cast-in-situ bored pile construction risk assessment method based on a two-dimensional cloud model, and relates to the technical field of bridge construction risk assessment. The method comprises the following steps of: obtaining a construction risk accident list of a deepwater large-diameter bored pile and risk factors causing all accidents; establishing a hierarchical risk assessment index system; on the basis of the risk assessment index system, using a combined empowerment two-dimensional cloud model assessment method to obtain risk cloud digital features of all levels; inputting the risk cloud digital features into a forward two-dimensional cloud generator to carry out risk cloud picture outputting, and further confirming a risk level by adopting two-dimensional cloud similarity. The deepwater large-diameter cast-in-situ bored pile risk assessment method provided by the invention is more systematic, practical, and effective.

Description

technical field [0001] The invention relates to the field of bridge construction risk assessment, in particular to a two-dimensional cloud model-based construction risk assessment method for deep-water diameter bored piles. Background technique [0002] As the construction of large-scale bridge projects continues to extend to the ocean and deep water areas, the deep water pile foundation is also developing towards a larger diameter. Basic construction accidents occur frequently and bring serious consequences. For this reason, it is of great significance to carry out scientific construction risk assessment of large-diameter bored pile foundation in deep water, provide a theoretical basis for risk decision-making, and reduce the possibility of accidents and their consequences. At present, in the construction risk assessment of large-diameter bored piles in deep water, the magnification effect of the increase in construction water depth and pile diameter on the construction ri...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/08
CPCG06Q10/0635G06Q10/06393G06Q50/08
Inventor 王飞吕忠达赵卓汪鹏飞
Owner NINGBO UNIVERSITY OF TECHNOLOGY
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