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BIM-based bridge cone slope three-dimensional modeling method, system and device and storage medium

A technology of 3D modeling and 3D model, applied in 3D modeling, image data processing, special data processing applications, etc., can solve problems such as poor accuracy, complex volume calculation, and inability to display 3D stereoscopically, and achieve the accuracy of calculation results High, convenient volume calculation, to achieve the effect of 3D visualization

Pending Publication Date: 2021-03-30
云基智慧工程股份有限公司
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  • Application Information

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Problems solved by technology

Because the cone slope is a three-dimensional special-shaped modeling, the existing cone slope information is basically displayed using two-dimensional plane drawings, and the three-dimensional modeling is only to display the surface of the cone slope, even if it is simulated with a Mesh surface, it cannot be displayed in three dimensions, and the volume calculation is complicated and poor accuracy

Method used

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  • BIM-based bridge cone slope three-dimensional modeling method, system and device and storage medium
  • BIM-based bridge cone slope three-dimensional modeling method, system and device and storage medium
  • BIM-based bridge cone slope three-dimensional modeling method, system and device and storage medium

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Embodiment Construction

[0038] In order to fully understand the purpose, features and effects of the present invention, the present invention will be described in detail by the following specific test examples and accompanying drawings, as follows.

[0039] Embodiment 1 of the present invention provides a BIM-based three-dimensional modeling method for bridge cone slopes, such as figure 1 As shown, the method in the embodiment of the present invention includes the following steps.

[0040] S100, obtaining an oblique ellipse equation of the bottom surface of the cone slope.

[0041] In one embodiment, see figure 2 shown in figure 2 Among them, the bridge has four conical slopes in total, and the four conical slopes are divided into two opposite conical slope groups. The two conical slope groups are respectively located on both sides of the path L2 under the bridge. The path L2 under the bridge can be a river, a railway, or a road. , sidewalks, farmland, wasteland, woods, etc. Each cone slope gro...

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Abstract

The invention discloses a BIM-based bridge conical slope three-dimensional modeling method, system and device and a storage medium. The method comprises the following steps: obtaining a conical slopebottom surface oblique elliptic equation; according to the coordinate points on the oblique ellipse, solving a B spline curve equation of the oblique ellipse on the bottom surface of the conical slope, wherein a B spline is used as a lofting path of the bottom surface of the conical slope; determining a lofting object according to the height of the conical slope, the central point of the oblique ellipse and the coordinate point on the oblique ellipse, and sweeping according to the lofting object and the lofting path to obtain a conical slope three-dimensional model; obtaining a conical slope position according to the abutment position information; matching the conical slope three-dimensional model to a corresponding conical slope position. The method at least has the advantages that three-dimensional modeling of the conical slope is achieved, three-dimensional visualization of the conical slope is achieved, volume calculation of the conical slope is facilitated, and the calculation result is high in accuracy.

Description

technical field [0001] The present invention relates to a bridge three-dimensional modeling technology, in particular to a BIM-based three-dimensional modeling method, system, equipment and storage medium for a bridge cone slope. Background technique [0002] The conical slope refers to the conical slope protection built at the junction of the bridge culvert and the roadbed in order to protect the embankment slope from erosion. Also known as cone slope protection, when the buried, pile, column abutment or abutment layout cannot completely retain the soil, in order to protect the stability of the embankment at the bridge head and prevent erosion, cone slopes should be set on both sides. The slope in the direction of the bridge should be consistent with the slope of the embankment, and the slope in the direction of the bridge should be determined according to the height, soil conditions, flooding conditions and paving or not. Because the cone slope is a three-dimensional spec...

Claims

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Application Information

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IPC IPC(8): G06F30/13G06T17/00
CPCG06T17/00G06T2210/04G06F30/13
Inventor 邓彦邢媛媛刘忠伟吴陶冶卢启煌杨咏梅彭敏何晓庆
Owner 云基智慧工程股份有限公司
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