CN116226970A - Method for establishing slope BIM model based on 3DEXPERIENCE platform - Google Patents
Method for establishing slope BIM model based on 3DEXPERIENCE platform Download PDFInfo
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- CN116226970A CN116226970A CN202310001862.5A CN202310001862A CN116226970A CN 116226970 A CN116226970 A CN 116226970A CN 202310001862 A CN202310001862 A CN 202310001862A CN 116226970 A CN116226970 A CN 116226970A
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Abstract
The invention discloses a method for establishing a side slope BIM model based on a 3DEXPERIENCE platform, which relates to the technical field of side slopes, and aims to solve the problem that the working load of a designer can be increased by adopting BIM technology in the side slope BIM model in the prior art by establishing a physical product in the 3DEXPERIENCE platform, establishing a side slope line, determining excavation control points, establishing normal excavation frameworks corresponding to each excavation control point by combining the width of a horse road and the slope ratio, combining adjacent normal frameworks in a bridging or merging mode to obtain an excavation slope, carrying out Boolean operation on the excavation slope and the geological three-dimensional model to obtain a side slope excavation model of the hinge region, and marking corresponding support of each excavation slope on the excavation model to obtain the side slope BIM model.
Description
Technical Field
The invention relates to the technical field of slopes, in particular to a method for establishing a slope BIM model based on a 3DEXPERIENCE platform.
Background
In the technical field of side slopes, the current BIM technology application mainly consists in two aspects: the method has the advantages that firstly, the method is applied to turnover of the mold, display of pivot effect, auxiliary understanding of two-dimensional design and the like based on the whole set of two-dimensional design results in different design stages, the method does not show benefits and advantages of BIM technology, and the workload of a designer is increased; secondly, along with development of engineering construction stages, forward excavation modeling is carried out on subsection precision, and finally, the whole set of two-dimensional design results are used for expression, so that requirements of each stage are met, the two-dimensional design results are used for expression, and design workload is increased.
Disclosure of Invention
The technical problems solved by the invention are as follows: the method for establishing the side slope BIM model based on the 3DEXPERIENCE platform solves the problem that the work load of a designer can be increased by adopting BIM technology in the side slope model in the prior art.
The invention solves the technical problems by adopting the technical scheme that: a method for establishing a slope BIM model based on a 3DEXPERIENCE platform comprises the following steps:
s01, importing the measured terrain elevation point data of the junction region into a 3DEXPERIENCE platform in a point cloud mode, generating a terrain PHM surface or a triangular mesh surface of the junction region, and creating a geological three-dimensional model;
s02, creating a physical product in the 3DEXPERIENCE platform, designing an excavation slope line of a side slope in the physical product, and determining an excavation control point of the excavation slope line;
s03, selecting any excavation control point of an excavated slope line as a datum point, determining a normal section corresponding to the datum point, and establishing a normal excavation framework of the datum point by combining the width of a horse road and the slope ratio;
s04, repeating the step S03 to obtain normal excavation frameworks of all excavation control points;
s05, combining adjacent normal skeletons in a bridging or merging mode to obtain an excavation surface;
s06, carrying out Boolean operation on the excavation surface and the geological three-dimensional model to obtain a hub area side slope excavation model;
s07, respectively establishing corresponding supports aiming at different geological information and slope ratios;
and S08, marking corresponding supports in the side slope excavation model of the junction area according to geological information and the slope ratio of each excavation slope surface, and obtaining a side slope BIM model.
Further, the excavation control points are a starting point, a turning point and an ending point of an excavation slope line.
Further, the normal section corresponding to the datum point is: the plane containing the datum point is parallel to the plane where the normal of a certain line segment on the excavated slope line where the datum point is located.
Further, in S03, a two-dimensional rectangular coordinate system is established in the normal section, the reference point is taken as a coordinate origin, the reference point is horizontally oriented to the inner side of the mountain body and is taken as an X axis, the reference point is vertically oriented to the Y axis, the normal excavation skeleton of the reference point is located in the first quadrant of the two-dimensional rectangular coordinate system, the reference point, the pavement width and the slope ratio are parameterized, and the parameters of the reference point, the pavement width and the slope ratio are used for representing turning points of the normal excavation skeleton.
Further, the support is established by parameterization, and the parameters include support spacing, size and arrangement mode.
The invention has the beneficial effects that: according to the method for establishing the side slope BIM based on the 3DEXPERIENCE platform, the terrain elevation point data of the junction area is imported into the 3DEXPERIENCE platform to generate the terrain PHM surface or the triangular grid surface of the junction area, the geological three-dimensional model is established, a physical product is newly established in the 3DEXPERIENCE platform and used for establishing a side slope line, excavation control points are determined, normal excavation frameworks corresponding to each excavation control point are established by combining the width of a horse road and the slope ratio, adjacent normal frameworks are combined in a bridging or merging mode to obtain excavation slopes, boolean operation is carried out on the excavation slopes and the geological three-dimensional model to obtain the side slope BIM model of each excavation slope, three-dimensional handover can be achieved, the problem that in the prior art, the work load of a designer can be increased by adopting the BIM technology in the side slope model is solved, compared with the prior art, the method for establishing the side slope BIM model, the method belongs to three-dimensional display results, and the display results are more than the prior art.
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FIG. 1 is a schematic flow chart of a method for establishing a slope BIM model based on a 3DEXPERIENCE platform.
Detailed Description
The invention relates to a method for establishing a slope BIM model based on a 3DEXPERIENCE platform, which is shown in a figure 1 and comprises the following steps:
s01, importing the measured terrain elevation point data of the junction region into a 3DEXPERIENCE platform in a point cloud mode, generating a terrain PHM surface or a triangular mesh surface of the junction region, and creating a geological three-dimensional model;
specifically, the geological three-dimensional model includes terrain and subsurface formation structures and elevations thereof.
S02, creating a physical product in the 3DEXPERIENCE platform, designing an excavation slope line of a side slope in the physical product, and determining an excavation control point of the excavation slope line;
specifically, the excavation slope line is formed by a plurality of line segments, the excavation control point is a starting point, a turning point and an ending point of the excavation slope line, for example, the excavation slope line is formed by line segments AB, BC and CD, the point A is the starting point of the excavation slope line, the point D is the ending point of the excavation slope line, the points B and C are the turning points of the excavation slope line, and the points A, B, C and D are the excavation control points.
S03, selecting any excavation control point of an excavated slope line as a datum point, determining a normal section corresponding to the datum point, and establishing a normal excavation framework of the datum point by combining the width of a horse road and the slope ratio;
specifically, the normal section corresponding to the datum point is: for example, for the point A, only the line segment AB is located on a line segment on the slope line where the reference point is located, so that the plane where the normal of the line segment AB is located is found, then the plane parallel to the plane where the normal of the line segment AB is located is made at the point A, the normal section corresponding to the point A can be obtained, and for the point B, the line segment AB and BC can be located, so that the normal section corresponding to the point B can be found by selecting the plane where the normal of the line segment AB or BC is located.
In particular, for the subsequent optimization of the model, a two-dimensional rectangular coordinate system can be established in the normal section, a datum point is taken as a coordinate origin, the datum point is horizontally oriented to the inner side of the mountain body and is an X axis, and the datum point is vertically oriented to a Y axis, so that the normal excavation framework of the datum point is located in a first quadrant of the two-dimensional rectangular coordinate system, parameters of the datum point, the width of the pavement and the slope ratio are parameterized, and the turning points of the normal excavation framework are represented by parameters of the datum point, the width of the pavement and the slope ratio, wherein the number of the pavement and the slope ratio is generally more than one, and therefore, the normal excavation framework can be adjusted by modifying any one of the datum point, the width of the pavement and the slope ratio, so that a foundation is laid for the subsequent optimization of the model.
S04, repeating the step S03 to obtain normal excavation frameworks of all excavation control points;
specifically, the A, B, C points and the D points are sequentially used as datum points, and the normal excavation frameworks of all the excavation control points are obtained.
S05, combining adjacent normal skeletons in a bridging or merging mode to obtain an excavation surface;
specifically, corresponding points in adjacent normal skeletons are connected to form an excavation face, and the excavation face comprises an excavation slope face and a pavement surface.
S06, carrying out Boolean operation on the excavation surface and the geological three-dimensional model to obtain a hub area side slope excavation model;
specifically, a three-dimensional excavation model of the side slope is obtained.
S07, respectively establishing corresponding supports aiming at different geological information and slope ratios;
specifically, different geological information and slope ratios adopt different supports, and parameters such as support spacing, size and arrangement mode are parameterized, so that the support spacing, size and arrangement mode can be conveniently adjusted later.
And S08, marking corresponding supports in the side slope excavation model of the junction area according to geological information and the slope ratio of each excavation slope surface, and obtaining a side slope BIM model.
Specifically, a support is added into the side slope excavation model of the junction area, so that a BIM model of the side slope can be obtained, the BIM model can be realized through adjusting parameters in the follow-up optimization process, and the display result is more visual in a three-dimensional form.
Specifically, parameters such as slope ratio, horse road width, horse road height and the like can be marked on the BIM model to enrich the content of the slope BIM model.
Claims (5)
1. The method for establishing the slope BIM model based on the 3DEXPERIENCE platform is characterized by comprising the following steps of:
s01, importing the measured terrain elevation point data of the junction region into a 3DEXPERIENCE platform in a point cloud mode, generating a terrain PHM surface or a triangular mesh surface of the junction region, and creating a geological three-dimensional model;
s02, creating a physical product in the 3DEXPERIENCE platform, designing an excavation slope line of a side slope in the physical product, and determining an excavation control point of the excavation slope line;
s03, selecting any excavation control point of an excavated slope line as a datum point, determining a normal section corresponding to the datum point, and establishing a normal excavation framework of the datum point by combining the width of a horse road and the slope ratio;
s04, repeating the step S03 to obtain normal excavation frameworks of all excavation control points;
s05, combining adjacent normal skeletons in a bridging or merging mode to obtain an excavation surface;
s06, carrying out Boolean operation on the excavation surface and the geological three-dimensional model to obtain a hub area side slope excavation model;
s07, respectively establishing corresponding supports aiming at different geological information and slope ratios;
and S08, marking corresponding supports in the side slope excavation model of the junction area according to geological information and the slope ratio of each excavation slope surface, and obtaining a side slope BIM model.
2. The method for building a slope BIM model based on the 3 dexierce platform according to claim 1, wherein the excavation control points are a start point, a turning point and an end point of an excavation start line.
3. The method for building a slope BIM model based on a 3 dexbiennice platform according to claim 1, wherein the normal profile corresponding to the reference point is: the plane containing the datum point is parallel to the plane where the normal of a certain line segment on the excavated slope line where the datum point is located.
4. A method for building a slope BIM model based on a 3 dexbiennice platform according to any one of claims 1 to 3, wherein in S03, a two-dimensional rectangular coordinate system is built in a normal section, a reference point is taken as a origin of coordinates, the reference point is taken as an X axis horizontally to the inner side of a mountain, the reference point is taken as a Y axis vertically upwards, so that a normal excavation skeleton of the reference point is located in a first quadrant of the two-dimensional rectangular coordinate system, the reference point, the pavement width and the slope ratio are parameterized, and each turning point of the normal excavation skeleton is represented by the reference point, the pavement width and the slope ratio parameters.
5. A method of building a slope BIM model based on a 3 dexiertence platform according to any of claims 1 to 3, wherein the support is built using parametrics including support spacing, size and arrangement.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117669081A (en) * | 2023-12-04 | 2024-03-08 | 陕西省水利电力勘测设计研究院 | Arch dam foundation excavation design method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117669081A (en) * | 2023-12-04 | 2024-03-08 | 陕西省水利电力勘测设计研究院 | Arch dam foundation excavation design method |
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