CN113886925A - BIM modeling method applied to special-shaped curved surface structure construction - Google Patents
BIM modeling method applied to special-shaped curved surface structure construction Download PDFInfo
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Abstract
The invention relates to a BIM modeling method applied to the construction of a special-shaped curved surface structure, which comprises the steps of 1, early exploration; step 2, for the original design drawing, checking defects and repairing leakage, optimizing the drawing, step 3, building a parameterization arithmetic unit program, step 4, generating a clamp and a pipeline in a parameterization mode; step 5, parameterizing and extracting a large batch of three-dimensional space coordinates; and 6, subsequent application of BIM modeling. The use method makes comprehensive analysis research aiming at the application in the process of the special-shaped curved surface structure project through the application of the parametric combination of the rhono and the grasshopper, and the combination mode of the rhno and the plug-in grasshopper attached to the dimensional modeling software, and the grasshopper parameterization further improves the high efficiency of the building design and the relevance of each specialty, quantifies the quantitative information in the model, and greatly improves the construction management level and the overall project quality.
Description
Technical Field
The invention relates to the field of electrical engineering, in particular to a BIM modeling method applied to construction of a special-shaped curved surface structure.
Background
The BIM (building information model) is based on various relevant information data of a construction project as a model, builds a building model, and simulates real information of a building through digital information simulation. The method has the advantages of information completeness, information relevance, information consistency, visualization, coordination, simulation, optimization, charting and the like, and realizes integrated management in the whole life cycle of the building engineering. BIM is a great revolution in the construction engineering industry, gradually replaces the traditional two-dimensional design method, and is also an important tool for realizing the information management of the construction engineering.
Revit, as a main BIM platform software in the industry, is widely applied, but the support of municipal engineering which is designed by relying on a center line concept is relatively weak. In the municipal project, the model quality is greatly influenced by human factors, the repeated labor is more, and the working efficiency is lower in the building period of the BIM model; the informatization degree of the model is not enough and the controllability is not high; the modeling process is not standardized enough, and the precision cannot meet the requirement.
Disclosure of Invention
The invention provides a BIM modeling method applied to construction of a special-shaped curved surface structure, which solves the technical problems.
The scheme for solving the technical problems is as follows: a BIM modeling method applied to construction of special-shaped curved surface structures comprises the following steps: step 1, early exploration; step 2, for the original design drawing, checking defects and repairing leakage, optimizing the drawing, step 3, building a parameterization arithmetic unit program, step 4, generating a clamp and a pipeline in a parameterization mode; step 5, parameterizing and extracting a large batch of three-dimensional space coordinates; and 6, subsequent application of BIM modeling.
Further, the method also comprises the step 7: performing space coordinate transformation, and arranging the cross section profile of the bridge at the position of a route control point; in order to accurately arrange the cross-sectional profile on the space curve, the cross-sectional profile needs to be converted from a current coordinate system into a local coordinate system of a route control point, and the cross-sectional profile is arranged perpendicular to the route;
further, the method also comprises the step 8: adjusting the rotation angle of the cross section profile according to the cross slope angle; and reading the cross slope angle data, and adjusting the cross section profile rotating angle among the control points.
Further, a step 9 of generating a solid model from the cross section outline along the route by using a lofting or lofting fusion function; and taking the cross section outline as a lofting shape, taking the route space curve as a lofting path, and lofting to generate the solid model.
Further, the method comprises the step 10 of shearing two ends of the bridge according to the oblique crossing angle to complete a main structure model on the bridge; reading the cross slope oblique crossing angle data, shearing two ends of the bridge to complete the main structure model on the bridge, and exporting the main structure model to Revit software;
further, a step 11 of repeating the steps (1) to (7) to generate a complete superstructure three-dimensional model according to the offset distance between the bridge deck system, the sidewalk, the kerb, the anti-collision pier and/or the bridge deck hanging plate member and the central line of the road; the offset distance between the center of the member and the center line of the road needs to be determined according to the requirements of design drawings during the space coordinate transformation. .
Further, converting and acquiring reference position information of all member cross sections of the road or the bridge according to the position information corresponding to all the member cross sections of the road or the bridge in the EXCEL table;
further, the Dynamo writer reads the cross-sectional profile parameter information in the EXCEL table and loads the cross-sectional profile parameter information into the reference position points of the corresponding member.
Further, the Dynamo writing program drives the cross-sectional profile in step S6 to scan along the center line in step S4, and a solid model of the corresponding road or bridge is obtained.
The invention has the beneficial effects that: the method makes comprehensive analysis research aiming at the application in the process of the special-shaped curved surface structure project by combining the rhino with the gradsphoper parameterization, and combining the rhino with the plug-in gradsphoper attached by the dimensional modeling software, and the gradsphoper parameterization further improves the high efficiency of the building design and the relevance of each specialty, quantifies the quantitative information in the model, and greatly improves the construction management level and the overall project quality.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
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 application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a schematic circuit connection diagram of a BIM modeling method applied to construction of a special-shaped curved surface structure according to an embodiment of the present invention.
Detailed Description
The principles and features of the present invention are described below in conjunction with the accompanying fig. 1, which is provided by way of example only to illustrate the present invention and not to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
A BIM modeling method applied to construction of special-shaped curved surface structures comprises the following steps: step 1, early exploration; step 2, for the original design drawing, checking defects and repairing leakage, optimizing the drawing, step 3, building a parameterization arithmetic unit program, step 4, generating a clamp and a pipeline in a parameterization mode; step 5, parameterizing and extracting a large batch of three-dimensional space coordinates; and 6, subsequent application of BIM modeling.
Further, the method also comprises the step 7: performing space coordinate transformation, and arranging the cross section profile of the bridge at the position of a route control point; in order to accurately arrange the cross-sectional profile on the space curve, the cross-sectional profile needs to be converted from a current coordinate system into a local coordinate system of a route control point, and the cross-sectional profile is arranged perpendicular to the route;
further, the method also comprises the step 8: adjusting the rotation angle of the cross section profile according to the cross slope angle; and reading the cross slope angle data, and adjusting the cross section profile rotating angle among the control points.
Further, a step 9 of generating a solid model from the cross section outline along the route by using a lofting or lofting fusion function; and taking the cross section outline as a lofting shape, taking the route space curve as a lofting path, and lofting to generate the solid model.
Further, the method comprises the step 10 of shearing two ends of the bridge according to the oblique crossing angle to complete a main structure model on the bridge; reading the cross slope oblique crossing angle data, shearing two ends of the bridge to complete the main structure model on the bridge, and exporting the main structure model to Revit software;
further, a step 11 of repeating the steps (1) to (7) to generate a complete superstructure three-dimensional model according to the offset distance between the bridge deck system, the sidewalk, the kerb, the anti-collision pier and/or the bridge deck hanging plate member and the central line of the road; the offset distance between the center of the member and the center line of the road needs to be determined according to the requirements of design drawings during the space coordinate transformation. .
Further, converting and acquiring reference position information of all member cross sections of the road or the bridge according to the position information corresponding to all the member cross sections of the road or the bridge in the EXCEL table;
further, the Dynamo writer reads the cross-sectional profile parameter information in the EXCEL table and loads the cross-sectional profile parameter information into the reference position points of the corresponding member.
Further, the Dynamo writing program drives the cross-sectional profile in step S6 to scan along the center line in step S4, and a solid model of the corresponding road or bridge is obtained.
The invention has the beneficial effects that: the method makes comprehensive analysis research aiming at the application in the process of the special-shaped curved surface structure project by combining the rhino with the gradsphoper parameterization, and combining the rhino with the plug-in gradsphoper attached by the dimensional modeling software, and the gradsphoper parameterization further improves the high efficiency of the building design and the relevance of each specialty, quantifies the quantitative information in the model, and greatly improves the construction management level and the overall project quality.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (9)
1. A BIM modeling method applied to construction of special-shaped curved surface structures is characterized in that: the method comprises the following steps: step 1, early exploration; step 2, for the original design drawing, checking defects and repairing leakage, optimizing the drawing, step 3, building a parameterization arithmetic unit program, step 4, generating a clamp and a pipeline in a parameterization mode; step 5, parameterizing and extracting a large batch of three-dimensional space coordinates; and 6, subsequent application of BIM modeling.
2. The BIM modeling method applied to construction of a profiled curved structure according to claim 1, further comprising the step 7: performing space coordinate transformation, and arranging the cross section profile of the bridge at the position of a route control point; in order to accurately arrange the cross-sectional profile on the spatial curve, the cross-sectional profile needs to be converted from the current coordinate system to the local coordinate system of the route control point, so that the cross-sectional profile is arranged perpendicular to the route.
3. The BIM modeling method applied to construction of a profiled curved structure according to claim 1, further comprising the step 8: adjusting the rotation angle of the cross section profile according to the cross slope angle; and reading the cross slope angle data, and adjusting the cross section profile rotating angle among the control points.
4. The BIM modeling method applied to construction of a special-shaped curved surface structure according to claim 1, further comprising a step 9 of generating a solid model of the cross-section contour along the route by using a lofting or lofting fusion function; and taking the cross section outline as a lofting shape, taking the route space curve as a lofting path, and lofting to generate the solid model.
5. The BIM modeling method applied to the construction of the special-shaped curved surface structure according to claim 1, further comprising a step 10 of shearing two ends of the bridge according to the oblique crossing angle to complete a main structure model on the bridge; and reading the cross slope oblique crossing angle data, shearing the two ends of the bridge to complete the main structure model on the bridge, and exporting the main structure model to Revit software.
6. The BIM modeling method applied to construction of the irregularly-shaped curved structure according to claim 1, further comprising a step 11 of repeating the steps (1) - (7) to generate a complete superstructure three-dimensional model according to the offset distance of the bridge deck, sidewalk, kerb, anti-collision pier and/or bridge deck slab member from the road center line; the offset distance between the center of the member and the center line of the road needs to be determined according to the requirements of design drawings during the space coordinate transformation.
7. The BIM modeling method applied to construction of the irregularly-shaped curved surface structure, according to claim 1, wherein the reference position information of all the member cross sections of the road or the bridge is obtained through conversion according to the position information corresponding to all the member cross sections of the road or the bridge in the EXCEL table.
8. The BIM modeling method applied to construction of a heteromorphic curved surface structure as set forth in claim 1, wherein the Dynamo writer program is used to read the cross sectional profile parameter information in the EXCEL table and load the cross sectional profile parameter information into the reference position points of the corresponding members.
9. The BIM modeling method applied to construction of a irregularly-shaped curved surface structure of claim 1, wherein the Dynamo writing program drives the cross-sectional profile of the step S6 to scan along the center line of the step S4, so as to obtain the solid model of the corresponding road or bridge.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114936408A (en) * | 2022-06-15 | 2022-08-23 | 中南建筑设计院股份有限公司 | Parametric modeling method for quadrangular pyramid net rack with special-shaped curved surface |
| CN115795594A (en) * | 2022-10-21 | 2023-03-14 | 中山市水利水电勘测设计咨询有限公司 | BIM modeling method applied to design of gate station special-shaped curved surface water inlet and outlet flow channel |
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2021
- 2021-10-14 CN CN202111196120.XA patent/CN113886925A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114936408A (en) * | 2022-06-15 | 2022-08-23 | 中南建筑设计院股份有限公司 | Parametric modeling method for quadrangular pyramid net rack with special-shaped curved surface |
| CN114936408B (en) * | 2022-06-15 | 2024-03-29 | 中南建筑设计院股份有限公司 | Quadrangular pyramid net rack parameterized modeling method for special-shaped curved surface |
| CN115795594A (en) * | 2022-10-21 | 2023-03-14 | 中山市水利水电勘测设计咨询有限公司 | BIM modeling method applied to design of gate station special-shaped curved surface water inlet and outlet flow channel |
| CN115795594B (en) * | 2022-10-21 | 2023-10-20 | 中山市水利水电勘测设计咨询有限公司 | BIM modeling method applied to gate station special-shaped curved surface water inlet and outlet channel design |
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