CN111444634A - Method for automatically creating slope model in parameterized manner - Google Patents
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Abstract
A method for parameterized and automatic creation of a slope model is characterized by comprising the following steps: s100, obtaining a side slope ground surface model, and drawing a side slope foot line at a specific elevation according to the actual engineering requirement; s200, selecting a slope toe line, selecting a reference surface for creating a slope surface model, and then selecting a slope type and a slope direction; s300, configuring generalized parameters of each grade of slope, including: establishing a slope surface model by using the slope height, the slope ratio, the berm width and the slope progression of the single-stage slope; s400, selecting the created slope model, and performing moving bias in any direction on nodes and lines on the slope model according to local operation commands aiming at the line object and the point object to complete the final slope model. The invention provides a method for generating a slope model in a parametric automatic manner, which is used for configuring a slope surface in a parametric manner, has high automation degree, can improve the efficiency of model creation, supports local adjustment, has stronger applicability and can meet the requirement of geotechnical engineering design.
Description
Technical Field
The invention belongs to the field of geotechnical engineering (BIM), and particularly relates to a method for automatically creating a slope model in a parameterized manner.
Background
The side slope is a slope formed naturally or artificially, is one of the most basic geological environments in human engineering activities, and is also one of the most common engineering forms in engineering construction. The natural side slope is irregular along with the relief of the terrain, the artificial side slope is formed by artificial excavation and is relatively regular, the artificial side slope generally comprises a slope toe line, a side slope surface, a pavement surface and other elements, the side slope surface has two quantitative indexes of slope height and slope ratio, the pavement surface is generally parallel to the slope toe line, and the pavement surface is created according to a pavement width index. The geometrical form of the excavated side slope can be determined by commonly knowing the toe line, the height, the ratio, the width and the surface form of the side slope.
With the development of the informatization of geotechnical engineering investigation, more and more engineering projects need to deliver geological three-dimensional models and design structure models, wherein the slope three-dimensional models are important parts in the structure models. The slope three-dimensional model refers to a manually excavated slope model, and the current creation idea is to arrange slope toe lines and all levels of lane lines in a three-dimensional drawing software in advance, then connect the slope toe lines and the lane lines or adjacent lane lines according to the nodes of two multi-segment lines to create face objects, then sequentially and circularly create, create and finish all levels of slope surfaces, and summarize the face objects into a complete slope model. According to the method, a slope model can be created, however, the slope toe lines and the lane lines need to be sorted in advance in the middle, only one-level slope can be created according to the two multi-segment lines, the complete slope is created through repeated operation, the whole process is complex and inefficient, and the automation degree is low.
Disclosure of Invention
In view of the above, the present invention has been made to provide a solution to the above problems or to at least partially solve the above problems.
The technical scheme provided by the invention is as follows:
a method for parameterized automated creation of a slope model, comprising:
s100, obtaining a ground surface model, and drawing a slope toe line at a specific elevation according to the actual engineering requirement;
s200, selecting a slope toe line, selecting a reference surface for creating a slope surface model, and then selecting a slope type and a slope direction;
s300, configuring generalized parameters of each grade of slope, including: establishing a finished slope surface model by using the slope height, the slope ratio, the road width and the slope series of the single-stage slope;
s400, selecting to create a finished slope model, and performing moving bias in any direction on nodes and line objects on the slope model according to local operation commands aiming at the line objects and the point objects to finish the final slope model.
Further, the side slope types comprise a digging side slope and a filling side slope.
Further, the slope ratio is set to 1: 0.75.
Further, the selection creates a reference surface for the slope surface model, i.e. the ground surface model is selected.
Further, the method configures generalized parameters of all levels of slopes and further sets the maximum slope height.
Further, the generated side slope model outline consists of a slope toe line, a pavement line and a line intersecting the ground surface.
Furthermore, the lane line is formed by connecting slope inflection points.
Furthermore, the addition and deletion operations can be performed on the nodes and line objects on the slope model.
Compared with the prior art, the invention has the following beneficial effects: the invention provides a method for generating a slope model in a parametric automatic manner, which is used for configuring a slope surface in a parametric manner, has high automation degree, can greatly improve the efficiency of model creation, supports local adjustment, has stronger applicability and can meet the requirement of geotechnical engineering design.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart of a method for automatically creating a slope model in a parameterized manner in embodiment 1 of the present invention;
Detailed Description
Example 1
The embodiment discloses a method for automatically creating a slope model in a parameterized manner, which comprises the following steps:
s100, obtaining a ground surface model, and drawing a slope toe line at a specific elevation according to the actual engineering requirement;
specifically, the ground surface model needs to be prepared in advance, the format of the model file is a general format, and the formats such as dxf, dwg, obj and the like are supported, and the ground surface model is obtained by importing the corresponding model file;
specifically, the actual engineering needs are that a field level design elevation preliminarily set by a design professional is designed, and a slope line (a multi-segment line object) is drawn at the elevation;
s200, selecting a slope toe line, selecting a reference surface for creating a slope surface model, and then selecting a slope type;
specifically, a slope toe line is selected, namely the toe line of the multi-segment line created in the previous step is selected as the bottom boundary constraint of the slope surface model;
specifically, the slope types comprise a digging slope and a filling slope, wherein the digging slope model is positioned below the ground surface, and the filling is opposite. The excavation slope is a slope which is set for keeping the soil body which is not folded at the edge of the excavation area of the earth stable and preventing collapse, and is the basic guarantee of construction safety; the filling side slope is the slope of the soil slope of the free face around the filling, and for example, the filling projects such as dams, embankments, house filling foundations and the like need to have stable side slopes. The slope of the fill should be performed by design regulation or according to relevant specifications according to the fill height, the kind of soil, the importance of the structure, etc.
Specifically, a reference surface, i.e., a ground surface model, is selected for creating the slope surface model.
S300, configuring generalized parameters of each grade of slope, including: establishing a finished slope surface model by using the slope height, the slope ratio, the road width and the slope series of the single-stage slope;
specifically, the slope height and the slope ratio of the single-stage side slope are mainly determined by the exploration major according to the quality of the side slope geological conditions, and corresponding suggested values are given in an exploration report; the width of the pavement is determined according to the actual use of the pavement and the design specification, and is generally 3-5 m; after the slope height, the slope ratio and the width of the berm of the single-stage slope are determined, a slope surface model is constructed according to the upward (or downward) extension of a slope bottom angle line, the intersection line of the slope surface model and the ground surface, namely a slope contour line, and the grade number of the slope can be directly read.
Specifically, the slope surface model is composed of a slope surface and a pavement surface, the first-stage slope surface is composed of a toe line and a last-stage pavement line, the last-stage pavement line is translated through the toe line according to a slope ratio and a slope height, attention is paid to the fact that the corner position of the toe line is not completely corresponding to the last-stage pavement line, the corner position can be extended and intersected through translating each line segment of the toe line, redundant parts are cut off, the last-stage pavement line is formed, two parallel multi-segment lines can form the slope surface, and the rest slope surfaces are the same; the pavement surface is formed by inner and outer pavement lines, the pavement line obtains another pavement line by translation, all line segments of the pavement line are translated according to the width of the pavement, the corner parts are extended to meet, redundant parts are cut off to obtain another pavement line, the pavement surface can be created by two parallel pavement lines, and the rest pavement surfaces are the same in principle, so that a complete side slope surface model is created and completed.
In some preferred embodiments, the slope height parameter is set to 30, the slope ratio is 1:0.75, the berm width is set to 3, the stage number is set to 8, the current grade slope generalized model is obtained according to the set parameters, different parameters are set for other grade slope parameters, the parameters in the grade slope design parameter table comprise single grade slope height, slope ratio and berm width, all the parameters support arbitrary configuration, and the slope generalized model is regenerated according to new parameters after configuration. And creating the finished slope model.
S400, selecting to create a finished slope model, and performing moving bias in any direction on nodes and line objects on the slope model according to local operation commands aiming at the line objects and the point objects to finish the final slope model.
Specifically, according to local operation commands for the line object and the point object, the nodes and the line object on the edge slope model are subjected to movement bias in any direction, and operations such as adding and deleting nodes are supported. And drawing the final slope surface model according to the operation.
The embodiment provides a method for generating a slope model in a parametric automatic manner, the method applies parameterization to configure a slope surface, the degree of automation is high, the efficiency of model creation can be greatly improved, meanwhile, the generated slope model also supports local adjustment, the applicability is stronger, and the requirement of geotechnical engineering design can be met.
In the foregoing detailed description, various features are grouped together in a single embodiment for the purpose of streamlining the disclosure. This method of disclosure is not to be interpreted as reflecting an intention that the claimed embodiments of the subject matter require more features than are expressly recited in each claim. Rather, as the following claims reflect, invention lies in less than all features of a single disclosed embodiment. Thus the following claims are hereby expressly incorporated into the detailed description, with each claim standing on its own as a separate preferred embodiment of the invention.
What has been described above includes examples of one or more embodiments. It is, of course, not possible to describe every conceivable combination of components or methodologies for purposes of describing the aforementioned embodiments, but one of ordinary skill in the art may recognize that many further combinations and permutations of various embodiments are possible. Accordingly, the embodiments described herein are intended to embrace all such alterations, modifications and variations that fall within the scope of the appended claims. Furthermore, to the extent that the term "includes" is used in either the detailed description or the claims, such term is intended to be inclusive in a manner similar to the term "comprising" as "comprising" is interpreted when employed as a transitional word in a claim. Furthermore, any use of the term "or" in the specification of the claims is intended to mean a non-exclusive "or".
Claims (8)
1. A method for parameterized and automatic creation of a slope model is characterized by comprising the following steps:
s100, acquiring a side slope ground surface model, and drawing a side slope toe line at a corresponding elevation according to the actual engineering requirement;
s200, selecting a slope toe line, selecting a reference surface for creating a slope surface model, and then selecting a slope type;
s300, configuring generalized parameters of each grade of slope, including: establishing a finished slope surface model by using the slope height, the slope ratio, the road width and the slope series of the single-stage slope;
s400, selecting to create a finished slope model, and performing moving bias in any direction on nodes and line objects on the slope model according to local operation commands aiming at the line objects and the point objects to finish the final slope model.
2. The method for parameterized and automated creation of slope models of claim 1, wherein the slope types comprise excavation slopes, fill slopes.
3. The method for parametrically and automatically creating a slope model as claimed in claim 1, wherein the slope ratio is 1: 0.75.
4. The method for parameterized and automated creation of a slope surface model of claim 1, characterized in that the reference surface for creating the slope surface model is selected and is the surface model.
5. The method of claim 1, wherein configuring the slope generalization parameters further comprises setting a maximum slope height.
6. The method of claim 1, wherein the generated slope model contour is composed of a toe line, a sidewalk line and a line intersecting the same surface.
7. The method for parameterized and automated creation of a slope model according to claim 1, characterized in that the lane lines are formed by the connection of slope inflection points one by one.
8. The method of claim 1, wherein the method further comprises performing addition and deletion operations on nodes and line objects on the slope model.
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| CN112163249A (en) * | 2020-07-29 | 2021-01-01 | 长江勘测规划设计研究有限责任公司 | Construction method of full-parametric three-dimensional model structure of hydraulic construction excavation slope |
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| CN112507425A (en) * | 2020-11-26 | 2021-03-16 | 中国电力工程顾问集团西南电力设计院有限公司 | BIM technology-based multi-level slope modeling method for power transformation engineering |
| CN113051641A (en) * | 2021-03-10 | 2021-06-29 | 长江勘测规划设计研究有限责任公司 | Three-dimensional parametric modeling method applied to arch dam slope excavation |
| CN117556639A (en) * | 2024-01-11 | 2024-02-13 | 北京理正软件股份有限公司 | Three-dimensional slope construction method based on complex slope intersection automatic positioning technology |
| CN114036609B (en) * | 2021-11-04 | 2024-04-26 | 加华地学(武汉)数字技术有限公司 | Parameterized and non-parameterized coupled artificial slope digital modeling method |
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Cited By (8)
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| CN112163249A (en) * | 2020-07-29 | 2021-01-01 | 长江勘测规划设计研究有限责任公司 | Construction method of full-parametric three-dimensional model structure of hydraulic construction excavation slope |
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| CN112507425A (en) * | 2020-11-26 | 2021-03-16 | 中国电力工程顾问集团西南电力设计院有限公司 | BIM technology-based multi-level slope modeling method for power transformation engineering |
| CN113051641A (en) * | 2021-03-10 | 2021-06-29 | 长江勘测规划设计研究有限责任公司 | Three-dimensional parametric modeling method applied to arch dam slope excavation |
| CN114036609B (en) * | 2021-11-04 | 2024-04-26 | 加华地学(武汉)数字技术有限公司 | Parameterized and non-parameterized coupled artificial slope digital modeling method |
| CN117556639A (en) * | 2024-01-11 | 2024-02-13 | 北京理正软件股份有限公司 | Three-dimensional slope construction method based on complex slope intersection automatic positioning technology |
| CN117556639B (en) * | 2024-01-11 | 2024-03-29 | 北京理正软件股份有限公司 | Three-dimensional slope construction method based on complex slope intersection automatic positioning technology |
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