CN111368354A - Design method of bridge gap under BIM (building information modeling) - Google Patents
Design method of bridge gap under BIM (building information modeling) Download PDFInfo
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- CN111368354A CN111368354A CN201910851703.8A CN201910851703A CN111368354A CN 111368354 A CN111368354 A CN 111368354A CN 201910851703 A CN201910851703 A CN 201910851703A CN 111368354 A CN111368354 A CN 111368354A
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Abstract
A design method of bridge position gaps under a BIM model is characterized in that based on digitized terrain curved surfaces, space line positions and control points in the BIM model, the number of full-line bridges and gap mileage thereof are preliminarily formulated, a temporary space plane is generated at the preliminarily formulated gap mileage positions, the temporary space plane is manually dragged to design bridge position gaps, after the design of the bridge position gaps is completed, bridge data tables are updated, the design of the full-line bridge position gaps under the BIM model is finally completed, the bridge position gaps are designed under the BIM model, the temporary space plane moves along with mouse positions of designers, and therefore the fact that the designers can comprehensively consider various three-dimensional design elements to design the bridge position gaps in real time is guaranteed.
Description
Technical Field
The invention relates to the field of bridge construction, in particular to a design method of a bridge gap under a BIM (building information modeling) model.
Background
The building information model is a new tool for architecture, engineering and civil engineering. Building Information Model (BIM), defined as a building or construction information model that is composed of complete and sufficient information to support lifecycle management and can be interpreted directly by a computer application, in short, the lifecycle management of a building environment supported by digital technology.
In railway engineering design, especially in long and large railway design, the determination of bridge position gaps is very important, the existing commonly used two-dimensional design is realized by comprehensively considering a terrain plan and a longitudinal section diagram by designers, and the mode has the problems of low efficiency and poor precision.
Disclosure of Invention
The invention provides a design method of a bridge position gap under a BIM (building information modeling) model, which aims to solve the problems in the prior art and provide an accurate and efficient design method of the bridge position gap.
The technical scheme adopted by the invention for solving the problems is as follows:
a design method of a bridge gap under a BIM model is characterized in that: comprises the following steps of (a) carrying out,
s1: preliminarily drawing the number of full-line bridges and the gap mileage thereof under a BIM model, and establishing a bridge data table;
s2: generating a temporary space plane according to the gap mileage information drawn up in the S1;
s3: manually dragging the temporary space plane generated by S2 to design a bridge gap;
s4: completing the design of a full bridge position gap, and updating a bridge data table;
the step of preliminarily drawing the number of full-line bridges and the gap mileage thereof in the step S1 is to preliminarily judge how many bridges the full line is composed of and the approximate gap mileage of the bridges by combining the terrain curved surface, the space line position and the control point in the BIM model, and store the gap mileage information of the bridges in the established bridge data table;
the temporary space plane in the S2 is a plane which is perpendicular to the space line position and intersects with the gap mileage position;
the temporary space plane generated in the step S2 is to determine the position of a bridge gap by combining a terrain curved surface and other three-dimensional space design factors, and manually drag the temporary space plane in the step S2 to design the bridge gap;
and after the design of the full-line bridge position gap of the S4 is finished, the temporary space plane disappears, a new space plane is generated at the latest gap mileage position, the new space plane is perpendicular to the space line position, the intersection point of the new space plane and the space line position is positioned at the latest gap mileage position, and meanwhile, the latest bridge position gap mileage is used for updating the bridge data table.
The data table in S1 includes information of each bridge, and the contents include: the name of the bridge, the short range gap mileage and the long range gap mileage, and the information of each bridge is represented by one line in the data table.
The temporary spatial plane in S2 exists only during the design process, and then disappears after the design of the method is completed.
In the step S3, the temporary spatial plane is manually dragged to move along with the mouse, and in the moving process, the temporary spatial plane always keeps a vertical intersection relationship with the spatial line position.
And the new space plane generated in the S4 is superposed with the temporary space plane to complete the design of the full-line bridge position gap, the temporary space plane disappears, and the new space plane is displayed in the three-dimensional space.
And in the step S4, updating the data table by using the latest bridge position gap mileage, and replacing the original bridge position gap mileage value with the latest bridge position gap mileage value in the updated data table.
The control points in S1 include level overpasses, pipelines, rivers, and canals.
The invention has the beneficial effects that: according to the invention, when the bridge position gap is designed under the BIM based on the digitized terrain curved surface, the space linear position and the control point in the BIM, the temporary space plane moves along with the mouse position of a designer, so that the designer can comprehensively consider various three-dimensional design elements to design the bridge position gap in real time.
Drawings
FIG. 1 is a schematic diagram of the design process of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings and specific examples.
As shown in fig. 1, a method for designing a bridge gap under a BIM model includes the following steps,
s1: preliminarily drawing the number of full-line bridges and the gap mileage thereof under a BIM model, and establishing a bridge data table;
s2: generating a temporary space plane according to the gap mileage information drawn up in the S1;
s3: manually dragging the temporary space plane generated by S2 to design a bridge gap;
s4: completing the design of a full bridge position gap, and updating a bridge data table;
the number of full-line bridges and the gap mileage thereof preliminarily drawn up in the step S1 are combined with a terrain curved surface, a space line position and control points in the BIM model, wherein the control points comprise level overpasses, pipelines, rivers, water channels and the like, the preliminary judgment on how many bridges the full line is composed of and the approximate gap mileage of the bridges is carried out, and the gap mileage information of the bridges is stored in the established bridge data table;
the temporary space plane in the S2 is a plane which is perpendicular to the space line position and intersects with the position of the gap mileage;
the temporary space plane generated in the step S2 is used for determining the position of a bridge gap by combining a terrain curved surface and other three-dimensional space design factors, and the temporary space plane in the step S2 is manually dragged to design the bridge gap; and after the design of the full-line bridge position gap of the S4 is finished, the temporary space plane disappears, a new space plane is generated at the latest gap mileage position, the new space plane is perpendicular to the space line position, the intersection point of the new space plane and the space line position is positioned at the latest gap mileage position, and meanwhile, the latest bridge position gap mileage is used for updating the bridge data table.
The data table in S1 contains information of each bridge, including: the name of the bridge, the short range gap mileage and the long range gap mileage, and the information of each bridge is represented by one line in the data table.
The temporary spatial plane in S2 exists only during the design process, and then disappears after the design of the method is completed.
In the step S3, the temporary spatial plane is manually dragged to move along with the mouse, and in the moving process, the temporary spatial plane always keeps a vertical intersection relationship with the spatial line position.
And the new space plane generated in the S4 is superposed with the temporary space plane to complete the design of the full-line bridge position gap, the temporary space plane disappears, and the new space plane is displayed in the three-dimensional space.
And in the step S4, updating the data table by using the latest bridge position gap mileage, and replacing the original bridge position gap mileage value with the latest bridge position gap mileage value in the updated data table.
The method comprises the steps of preliminarily drawing the number of full-line bridges and the gap mileage thereof based on digitized terrain curved surfaces, space line positions and control points in a BIM model, generating a temporary space plane at the preliminarily drawn gap mileage position, manually dragging the temporary space plane to design a bridge position gap, updating a bridge data table after the bridge position gap is designed, and finally finishing the design of the full-line bridge position gap under the BIM model.
When the design of the bridge gap under the BIM model is carried out, the temporary space plane moves along with the mouse position of a designer, so that the situation that the designer can comprehensively consider various three-dimensional design elements to design the bridge gap in real time is ensured, and compared with the traditional two-dimensional means, the design efficiency can be accurately and greatly improved.
Claims (7)
1. A design method of a bridge gap under a BIM model is characterized in that: comprises the following steps of (a) carrying out,
s1: preliminarily drawing the number of full-line bridges and the gap mileage thereof under a BIM model, and establishing a bridge data table;
s2: generating a temporary space plane according to the gap mileage information drawn up in the S1;
s3: manually dragging the temporary space plane generated by S2 to design a bridge gap;
s4: completing the design of a full bridge position gap, and updating a bridge data table;
the number of full-line bridges and the gap mileage thereof preliminarily drawn up in the S1 are combined with the terrain curved surface, the space line position and the control point in the BIM model to preliminarily judge how many bridges the full line is composed of and the approximate gap mileage of the bridges, and the gap mileage information of the bridges is stored in the established bridge data table;
the temporary space plane in the S2 is a plane which is perpendicular to the space line position and intersects with the gap mileage position;
the temporary space plane generated in the step S2 is used for determining the position of a bridge gap by combining a terrain curved surface and other three-dimensional space design factors, and the temporary space plane in the step S2 is manually dragged to design the bridge gap;
and after the design of the full-line bridge position gap is finished, the temporary space plane disappears, a new space plane is generated at the latest gap mileage position, the new space plane is perpendicular to the space line position, the intersection point of the new space plane and the space line position is positioned at the latest gap mileage position, and meanwhile, the bridge data table is updated by using the latest bridge position gap mileage.
2. The design method of bridge gap under BIM model as claimed in claim 1, wherein: the data table in S1 contains information of each bridge, including: the name of the bridge, the short range gap mileage and the long range gap mileage, and the information of each bridge is represented by one line in the data table.
3. The design method of bridge gap under BIM model as claimed in claim 1, wherein: the temporary spatial plane in S2 exists only during the design process, and then disappears after the design of the method is completed.
4. The design method of bridge gap under BIM model as claimed in claim 1, wherein: in the step S3, the temporary spatial plane is manually dragged to move along with the mouse, and in the moving process, the temporary spatial plane always keeps a vertical intersection relationship with the spatial line position.
5. The design method of bridge gap under BIM model as claimed in claim 1, wherein: and the new space plane generated in the S4 is superposed with the temporary space plane to complete the design of the full-line bridge position gap, the temporary space plane disappears, and the new space plane is displayed in the three-dimensional space.
6. The design method of bridge gap under BIM model as claimed in claim 1 or 5, wherein: and in the step S4, updating the data table by using the latest bridge position gap mileage, and replacing the original bridge position gap mileage value with the latest bridge position gap mileage value in the updated data table.
7. The design method of bridge gap under BIM model as claimed in claim 1, wherein: the control points include level overpasses, pipelines, rivers and ditches.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200254783Y1 (en) * | 2001-08-28 | 2001-11-26 | 이승영 | The reinforcement bim of slab bridge |
| WO2011079183A1 (en) * | 2009-12-23 | 2011-06-30 | Ziggurat Solutions Llc | System and method for providing a digital construction model |
| CN106777779A (en) * | 2017-01-11 | 2017-05-31 | 铁道第三勘察设计院集团有限公司 | A kind of railway culvert method for designing based on BIM |
| CN109918803A (en) * | 2019-03-13 | 2019-06-21 | 中国铁路设计集团有限公司 | The flat real-time linkage design method in length and breadth of rail track |
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2019
- 2019-09-09 CN CN201910851703.8A patent/CN111368354A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200254783Y1 (en) * | 2001-08-28 | 2001-11-26 | 이승영 | The reinforcement bim of slab bridge |
| WO2011079183A1 (en) * | 2009-12-23 | 2011-06-30 | Ziggurat Solutions Llc | System and method for providing a digital construction model |
| CN106777779A (en) * | 2017-01-11 | 2017-05-31 | 铁道第三勘察设计院集团有限公司 | A kind of railway culvert method for designing based on BIM |
| CN109918803A (en) * | 2019-03-13 | 2019-06-21 | 中国铁路设计集团有限公司 | The flat real-time linkage design method in length and breadth of rail track |
Non-Patent Citations (2)
| Title |
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| 廖立坚: "铁路桥梁勘测信息处理系统", 《铁道工程学报》 * |
| 艾山丁: "BIM技术在轨道工程设计中的应用探讨", 《铁路技术创新》 * |
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Application publication date: 20200703 |