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Waterlogging ponding simulation analysis method based on urban road BIM (Building Information Modeling)

A simulation analysis and road technology, applied in data processing applications, instruments, geometric CAD, etc., can solve problems such as difficult to meet the needs of high-precision road traffic safety management and control, achieve good simulation evaluation and visualization effects, good simulation effects, and improve Effects of finesse and analog effects

Pending Publication Date: 2022-08-02
WUHAN UNIV OF TECH
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Problems solved by technology

[0004] In summary, the current waterlogging simulation evaluation method based on two-dimensional vector road lines is difficult to meet the high-precision road traffic safety control requirements

Method used

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  • Waterlogging ponding simulation analysis method based on urban road BIM (Building Information Modeling)
  • Waterlogging ponding simulation analysis method based on urban road BIM (Building Information Modeling)
  • Waterlogging ponding simulation analysis method based on urban road BIM (Building Information Modeling)

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Embodiment Construction

[0084] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0085] Combine below Figure 1 to Figure 8 The specific embodiment of the present invention is introduced as a simulation and analysis method of waterlogging and accumulation of water based on BIM of urban roads.

[0086] The flow chart of the method of the present invention is as follows figure 1 shown, the specific steps are as follows:

[0087] Step 1: Introduce all the two-dimensional vector road lines of the target urban road a...

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Abstract

The invention provides a waterlogging ponding simulation analysis method based on an urban road BIM (Building Information Modeling). According to input data, a two-dimensional vector road line of a target city road area is divided into multiple groups of two-dimensional road sections and multiple groups of two-dimensional intersections; dividing the two-dimensional road section into a plurality of groups of two-dimensional road sections according to a fixed step length, dividing the two-dimensional road sections into a plurality of lanes according to lane distribution, and constructing a three-dimensional geometric road surface; according to each lane in the three-dimensional geometric road surface, texture mapping is carried out, and a three-dimensional road section BIM model is constructed; according to the three-dimensional road section BIM model and ponding image superposition, calculating a risk value of each lane; according to the risk value of each lane of the three-dimensional road section BIM model, grading evaluation is carried out, and visualization is carried out based on colored tape coloring. According to the invention, based on the three-dimensional urban road section BIM model, the fineness and simulation effect of urban road inland inundation and ponding simulation analysis are improved.

Description

technical field [0001] The invention relates to the field of computer visualization, in particular, to a method for simulating and analyzing waterlogging and accumulation of water based on BIM of urban roads. Background technique [0002] The digital twin city is based on the building information model and the city's three-dimensional geographic information system, using the Internet of Things technology to digitize all elements of the physical city, such as people, things, events, water, electricity, and gas, and then construct a cyberspace. The completely corresponding "virtual city" forms a situation in which the physical city in the physical dimension and the digital city in the information dimension coexist and blend the virtual and the real. [0003] Roads are the passages for residents' daily travel and material transportation, and are the most important transportation hubs for the operation of cities. In the rainstorm environment, urban roads are the most prone to w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/13G06Q10/06G06Q50/26
CPCG06F30/13G06Q10/0635G06Q50/26Y02A10/40
Inventor 张学全刘伟
Owner WUHAN UNIV OF TECH
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