CN113052967A - Geological survey result expression method based on digital three-dimensional visualization - Google Patents

Geological survey result expression method based on digital three-dimensional visualization Download PDF

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CN113052967A
CN113052967A CN202110274205.9A CN202110274205A CN113052967A CN 113052967 A CN113052967 A CN 113052967A CN 202110274205 A CN202110274205 A CN 202110274205A CN 113052967 A CN113052967 A CN 113052967A
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geological
bim
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刘杨
谢沁芸
谢林峰
董彪
张潇元
沈自阳
平郭志
左涛
李春莲
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Yunnan Dazhu Technology Co ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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    • G06T17/05Geographic models
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    • G06COMPUTING; CALCULATING OR COUNTING
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    • G06F16/287Visualization; Browsing
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
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Abstract

The invention provides a geological survey result expression method based on digital three-dimensional visualization, which comprises the following steps of 1, raw material arrangement; 2. extracting geological data; (2) discrete variable encryption; (3) parameterizing data; (4) modeling a geological layer; (5) modeling a geological entity; 3. (1) original earth surface oblique photography; (2) modeling an original earth surface three-dimensional live-action; 4. (1) preliminary fitting and checking of a model; (2) whether the two models fit each other; 5. a geologic BIM model; 6. (1) drilling a BIM model; (2) a pile foundation BIM model; (3) whether the drilling BIM model and the pile foundation BIM model meet the requirements or not; 7. binding the model property; 8. BIM sectioning model; 9. the achievement is sorted; the expression method overcomes the defects that the two-dimensional expression mode of the traditional reconnaissance design result is not visual enough, is not accurate enough, has dispersed information, is inconvenient to inquire and is difficult to clearly express the real condition of the underground geology.

Description

Geological survey result expression method based on digital three-dimensional visualization
Technical Field
The invention relates to the technical field of geological survey, in particular to a geological survey result expression method based on digital three-dimensional visualization.
Background
Geological exploration is an indispensable key step in the engineering construction process and is the most important link in the engineering construction, and the accuracy and intuition of exploration design results directly relate to the smooth realization of important targets of safety, quality, progress and cost of the engineering construction.
At present, the technical result of the traditional exploration design mainly adopts a two-dimensional expression mode of combining a CAD plan and a profile map, and expresses the underground geological condition by utilizing the soil distribution samples drilled by discrete exploration points. Conventional expressions are generally presented in terms of borehole histograms, profiles, and survey reports. The mode has a more standard operation mode, has more abundant engineering experience, can describe the change of the space geological structure to a certain extent, and has high specialization degree; but the visual effect is not obvious, the space change rule can not be explained, and the geological numerical analysis and the coordination with other specialties are not facilitated.
The defects of the traditional technical scheme for reconnaissance design mainly comprise: 1. the expression mode of the traditional survey design result is mainly a two-dimensional plane, and the method is not intuitive enough and is difficult to clearly express the real condition of underground geology, so that decision-making personnel are difficult to design and make decisions intuitively and efficiently; 2. the traditional exploration design result only expresses the geological conditions of exploration points, the exploration points belong to discrete data, the continuous change conditions of an underground space are difficult to truly and effectively simulate, great inconvenience is brought to the accuracy of design and decision, improper foundation and foundation design is caused in many times, and potential hazards of safety, quality, progress and cost are brought to the subsequent construction of engineering; 3. the expression mode information of the traditional reconnaissance design result is scattered and inconvenient to inquire, important information such as geological distribution, soil property information, geological attributes and mechanical attributes is distributed on a plurality of drawings under the common condition, when designers need to inquire the information, a large number of drawings are required to be browsed frequently, and the inquiry efficiency is very low.
Disclosure of Invention
The invention aims to provide a geological survey result expression method based on digital three-dimensional visualization, which is used for solving the technical problems in the background technology.
A geological survey result expression method based on digital three-dimensional visualization comprises the following steps: sorting original data;
step two: (1) extracting geological data, namely extracting data information with geology in the exploration design; (2) discrete variable encryption, which adopts an inverse distance encryption algorithm to carry out interpolation; (3) parameterizing data and displaying physical and mechanical parameters of each soil layer; (4) modeling a geological layer, and providing a three-dimensional geological model with data information; (5) modeling a geological entity, and adopting pictures to map the model to achieve a vivid effect;
step three: (1) original earth surface oblique photography; (2) modeling an original earth surface three-dimensional live-action;
step four: (1) performing model preliminary fitting inspection, and comparing the geological entity modeling in the step two with the original earth surface three-dimensional live-action modeling in the step three; (2) whether the two models are fitted with each other or not is judged, if yes, the next step is carried out, and if not, the step two is returned;
step five: the geological body BIM model is used for establishing a three-dimensional real scene model of the ground surface;
step six: (1) drilling a BIM model to form a real and intuitive drilling BIM model; (2) a pile foundation BIM model clearly expresses the relation between the pile foundation and the geologic body; (3) whether the drilling BIM model and the pile foundation BIM model meet the requirements or not is judged, if yes, the next step is carried out, and if not, the step five is returned;
step seven: binding model attributes, namely binding the scattered geological information with the three-dimensional model;
step eight: BIM sectioning model;
step nine: and (5) result arrangement.
Further, in the first step, the original data is sorted: and (5) arranging and surveying the elevation data in the two-dimensional drawing and simulating the algorithm.
Further, the original ground surface oblique photography in the third step: and the satellite remote sensing image and the DEM data are utilized to truly restore the real terrain when not constructed.
Further, in the fifth step, the geologic body BIM model is as follows: the form of the BIM and the GIS system can be compatible is converted, and the topographic model is pasted with pictures and pictures to achieve a vivid effect.
Further, the drilling BIM model in the sixth step: carrying out three-dimensional modeling on the drilling hole design in a two-dimensional drawing by utilizing a BIM technology, and carrying out material treatment on the model by utilizing a high-definition map; the pile foundation BIM model in the sixth step: and (3) completing a steel reinforcement cage model and a cast-in-place pile model by utilizing a BIM technology and combining with a pile foundation design, and combining with a three-dimensional geological model result.
Compared with the prior art, the invention has the technical effects that:
a geological survey result expression method based on digital three-dimensional visualization carries out live-action geological modeling through BIM three-dimensional modeling, three-dimensional parametric modeling and three-dimensional live-action modeling technologies, a stratum curved surface is generated by utilizing elevation data and a simulation algorithm in a survey design two-dimensional drawing, and a three-dimensional geological solid model is generated from the stratum model through a parametric automatic program, so that the underground three-dimensional solid model of the whole project can be displayed more visually and truly.
Human-computer interaction is realized through technologies such as three-dimensional construction animation interaction, video editing and the like, and the properties of important model parts such as geologic bodies and pile foundations of each layer of a three-dimensional geological model are set and bound by utilizing a BIM technology, so that the BIM model and the property information thereof can be conveniently inquired in real time.
The novel digital, three-dimensional and visual expression mode of the survey design result is realized, and the defects that the two-dimensional expression mode of the traditional survey design result is not visual enough, not accurate enough, information is dispersed, inquiry is inconvenient, and the real condition of the underground geology is difficult to clearly express are overcome.
Drawings
FIG. 1 is a technical route schematic diagram of the geological survey result expression method of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example one
The invention provides a geological survey result expression method based on digital three-dimensional visualization, which utilizes the organic fusion of the technologies of BIM three-dimensional modeling, three-dimensional parametric modeling, three-dimensional live-action modeling, three-dimensional construction animation interaction, video editing and the like, realizes the brand new expression modes of digitization, three-dimensional visualization and the like of a survey design result, and overcomes the defects that the two-dimensional expression mode of the traditional survey design result is not visual enough, not accurate enough, has dispersed information, is inconvenient to inquire and is difficult to clearly express the real condition of underground geology;
as shown in fig. 1, the method for expressing the result of geological survey based on digital three-dimensional visualization comprises the following steps: arranging original data, arranging elevation data in a survey design two-dimensional drawing and a simulation algorithm;
step two: (1) extracting geological data, namely extracting data information with geology in the exploration design; (2) discrete variable encryption, which adopts an inverse distance encryption algorithm to carry out interpolation; (3) parameterizing data and displaying physical and mechanical parameters of each soil layer; (4) modeling a geological layer, and providing a three-dimensional geological model with data information; (5) modeling a geological entity, wherein the model image shows the underground water level, the model image is expressed in a grid entity mode, and the model is pasted by pictures to achieve a vivid effect;
step three: (1) performing oblique photography on an original earth surface, and truly restoring a real terrain when not constructed by using a satellite remote sensing image and DEM data; (2) modeling an original earth surface three-dimensional live-action;
step four: (1) performing model preliminary fitting inspection, and comparing the geological entity modeling in the step two with the original earth surface three-dimensional live-action modeling in the step three; (2) whether the two models are fitted with each other or not is judged, if yes, the next step is carried out, and if not, the step two is returned;
step five: the geological body BIM model is used for establishing a three-dimensional real scene model of the ground surface of the field, converting the three-dimensional real scene model into a format compatible with a BIM and a GIS system, generating a ground terrain model, and pasting and drawing the terrain model to achieve a vivid effect;
step six: (1) the drilling BIM model is a real and intuitive drilling BIM model formed by performing three-dimensional modeling on drilling design in a two-dimensional drawing by using a BIM technology and performing material processing on the model by using a high-definition map; (2) the method comprises the following steps of (1) constructing a pile foundation BIM model, namely designing a reinforcement cage model and a cast-in-place pile model by utilizing a BIM technology and combining the pile foundation, and clearly expressing the relation between the pile foundation and a geologic body by combining the pile foundation BIM model and a three-dimensional geologic model result; (3) whether the drilling BIM model and the pile foundation BIM model meet the requirements or not is judged, if yes, the next step is carried out, and if not, the step five is returned;
step seven: binding model attributes, namely binding the scattered geological information with the three-dimensional model;
step eight: the BIM sectioning model is provided with a plurality of arbitrary sections and generates a three-dimensional geological section map by utilizing the BIM technology, so that a survey designer can make a decision conveniently;
step nine: and (4) result arrangement, namely generating an information statistical table through BIM automatic statistical engineering.
Example two
The method mainly comprises the steps of establishing a three-dimensional geological body model, a three-dimensional geological drilling model, a site terrain three-dimensional model, a pile foundation and geological body three-dimensional model, a foundation pit and geological body three-dimensional model, binding the three-dimensional model and geological properties, arbitrarily sectioning and developing the three-dimensional model, making three-dimensional model animation and the like.
1. The three-dimensional geologic body model provides a three-dimensional geologic model with data information, displays physical and mechanical parameters of each soil layer, shows the underground water level in a model image, expresses the underground water level in a grid entity mode, interpolates by adopting an inverse distance encryption algorithm, and pastes a picture on the model by adopting a picture to achieve a vivid effect.
2. The three-dimensional geological drilling model expresses the drilling model in a drilling column mode and adopts actual picture mapping.
3. And a site terrain three-dimensional model is established, a site earth surface three-dimensional live-action model is converted into a format compatible with a BIM and GIS system, the site terrain model is generated, and the terrain model is subjected to mapping and picture to achieve a vivid effect.
4. And establishing a pile foundation model and displaying the relation between the pile foundation and the geologic body.
5. And (3) carrying out foundation pit excavation on the basis of the three-dimensional models of the foundation pit and the geologic body, and displaying the bottom of the foundation pit and the surrounding geological conditions.
6. And binding the model property, namely binding the scattered geological information with the three-dimensional model.
7. The three-dimensional model is arbitrarily cut, and geological section is arbitrarily positioned and represents a schematic diagram.
8. And the three-dimensional model animation is based on the integral model to complete the three-dimensional BIM animation.
EXAMPLE III
Flow description and outcome presentation
The three-dimensional geologic body model is used for generating a stratum curved surface by utilizing elevation data and a simulation algorithm in a survey design two-dimensional drawing, and generating a three-dimensional geologic solid model and the development condition of underground water by the stratum model through a parameterized automatic program; through geological material setting, the underground three-dimensional solid model of the whole project is displayed more visually and truly.
And the three-dimensional drilling model is a real and visual drilling BIM model formed by performing three-dimensional modeling on the drilling design in the two-dimensional drawing by using a BIM technology and performing material treatment on the model by using a high-definition map.
And the real terrain model is used for really restoring the real terrain when not constructed by utilizing the satellite remote sensing image and the DEM data. The picture achieves the vivid effect. By utilizing large-inclination photography and three-dimensional live-action modeling, the real terrain condition of the project is reflected more truly, and the project is convenient to be applied to site planning decision analysis and the like.
The three-dimensional digital model of the pile body and the geologic body utilizes the BIM technology to complete the reinforcement cage model and the cast-in-place pile model by combining the pile foundation design, and clearly expresses the relationship between the pile foundation and the geologic body by combining the three-dimensional geologic model result.
The foundation pit and geological body three-dimensional digital model is combined with a foundation pit design drawing by utilizing a BIM technology to complete the three-dimensional foundation pit model of the project natural slope, and the relation between the foundation pit excavation and the surrounding geological conditions is clearly expressed by combining the three-dimensional geological model with the foundation pit.
And (3) binding model attributes, namely setting and binding the attributes of important model parts such as geologic bodies and pile foundations of each layer of the three-dimensional geological model by using a BIM technology, so that an owner can conveniently inquire the BIM model and attribute information thereof in real time, and an information statistical table is generated through BIM automatic statistical engineering, so that the information can be displayed more visually.
The three-dimensional digital model has any section, so that a plurality of any sections are arranged on the model and a three-dimensional geological section map is generated by utilizing the BIM technology in order to facilitate the application of the later-stage exploration design depth, and the decision making of an exploration designer is facilitated.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (5)

1. A geological survey result expression method based on digital three-dimensional visualization is characterized by comprising the following steps: sorting original data;
step two: (1) extracting geological data, namely extracting data information with geology in the exploration design; (2) discrete variable encryption, which adopts an inverse distance encryption algorithm to carry out interpolation; (3) parameterizing data and displaying physical and mechanical parameters of each soil layer; (4) modeling a geological layer, and providing a three-dimensional geological model with data information; (5) modeling a geological entity, and adopting pictures to map the model to achieve a vivid effect;
step three: (1) original earth surface oblique photography; (2) modeling an original earth surface three-dimensional live-action;
step four: (1) performing model preliminary fitting inspection, and comparing the geological entity modeling in the step two with the original earth surface three-dimensional live-action modeling in the step three; (2) whether the two models are fitted with each other or not is judged, if yes, the next step is carried out, and if not, the step two is returned;
step five: the geological body BIM model is used for establishing a three-dimensional real scene model of the ground surface;
step six: (1) drilling a BIM model to form a real and intuitive drilling BIM model; (2) the pile foundation BIM model clearly expresses the relation between the pile foundation and the geologic body; (3) whether the drilling BIM model and the pile foundation BIM model meet the requirements or not is judged, if yes, the next step is carried out, and if not, the step five is returned;
step seven: binding model attributes, namely binding the scattered geological information with the three-dimensional model;
step eight: BIM sectioning model;
step nine: and (5) result arrangement.
2. The method for expressing results of geological survey based on digital three-dimensional visualization as claimed in claim 1, wherein the first step comprises the following steps: and (5) arranging and surveying the elevation data in the two-dimensional drawing and simulating the algorithm.
3. The method of claim 1, wherein the three steps of the original surface oblique photography comprise: and the satellite remote sensing image and the DEM data are utilized to truly restore the real terrain when not constructed.
4. The method for expressing results of geological survey based on digital three-dimensional visualization as claimed in claim 1, wherein said step five is geologic BIM model: the form of the BIM and the GIS system can be compatible is converted, and the topographic model is pasted with pictures and pictures to achieve a vivid effect.
5. The method for expressing results of geological survey based on digital three-dimensional visualization as claimed in claim 1, wherein the drilling BIM model in the sixth step: carrying out three-dimensional modeling on the drilling hole design in a two-dimensional drawing by utilizing a BIM technology, and carrying out material treatment on the model by utilizing a high-definition map; the pile foundation BIM model in the sixth step: and (3) completing a steel reinforcement cage model and a cast-in-place pile model by utilizing a BIM technology and combining with a pile foundation design, and combining with a three-dimensional geological model result.
CN202110274205.9A 2021-03-15 2021-03-15 Geological survey result expression method based on digital three-dimensional visualization Pending CN113052967A (en)

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Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN113626916A (en) * 2021-08-09 2021-11-09 中建八局第一建设有限公司 Pile foundation length verification method and system based on GIS
CN113641775A (en) * 2021-08-16 2021-11-12 中国人民武装警察部队黄金第一总队 Three-dimensional real-time geophysical profile interpretation method based on GIS platform
CN113653085A (en) * 2021-08-25 2021-11-16 中国建筑第八工程局有限公司 Engineering pile length estimation method and estimation system thereof
CN117171862A (en) * 2023-10-24 2023-12-05 华东交通大学 Bridge engineering land investigation drilling point position checking method and equipment

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113626916A (en) * 2021-08-09 2021-11-09 中建八局第一建设有限公司 Pile foundation length verification method and system based on GIS
CN113641775A (en) * 2021-08-16 2021-11-12 中国人民武装警察部队黄金第一总队 Three-dimensional real-time geophysical profile interpretation method based on GIS platform
CN113653085A (en) * 2021-08-25 2021-11-16 中国建筑第八工程局有限公司 Engineering pile length estimation method and estimation system thereof
CN113653085B (en) * 2021-08-25 2022-08-30 中国建筑第八工程局有限公司 Engineering pile length estimation method and estimation system thereof
CN117171862A (en) * 2023-10-24 2023-12-05 华东交通大学 Bridge engineering land investigation drilling point position checking method and equipment
CN117171862B (en) * 2023-10-24 2024-03-01 华东交通大学 Bridge engineering land investigation drilling point position checking method and equipment

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Application publication date: 20210629