CN117390757A - Rectangular concrete beam multilayer main reinforcement BIM modeling method based on Dynamo technology - Google Patents
Rectangular concrete beam multilayer main reinforcement BIM modeling method based on Dynamo technology Download PDFInfo
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- G—PHYSICS
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- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- G—PHYSICS
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/10—Constructive solid geometry [CSG] using solid primitives, e.g. cylinders, cubes
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- G06T2210/00—Indexing scheme for image generation or computer graphics
- G06T2210/04—Architectural design, interior design
Abstract
The invention discloses a rectangular concrete beam multilayer main reinforcement BIM modeling method based on Dynamo technology, which comprises the following steps: s1, establishing a rectangular concrete beam model with parameterized geometric dimensions in Revit software; s2, reading the geometric dimensions and main reinforcement information in a reinforcement table of the beam by using Dynamo software; s3, modifying the width and the height of the rectangular beam according to the data information in the reinforcing steel bar table of the beam; s4, acquiring entity surface information of the rectangular beam; s5, calculating main reinforcement arrangement parameters of each layer of the surface of the beam according to the main reinforcement information in the reinforcement table of the beam; s6, creating main reinforcements of each layer on each surface of the beam, and adjusting the display effect of the main reinforcements. The method can realize automatic modeling of the multilayer main reinforcements of the rectangular beam, and solves the problem that the existing automatic modeling software of the reinforcing steel bars can only establish one layer of main reinforcements, thereby realizing rapid establishment of three-dimensional models of the multilayer main reinforcements on each surface of the concrete beam in the Revit software.
Description
Technical Field
The invention relates to the technical field of building engineering BIM modeling, in particular to a rectangular concrete beam multilayer main reinforcement BIM modeling method based on Dynamo technology.
Background
The building information model, namely BIM, is a new tool and technology for architecture, engineering and civil engineering, and can help to integrate building information from the design, construction and operation of a building to the end of the full life cycle of the building. In the whole life cycle of the building, various information is always integrated in a three-dimensional model information database, and all parties such as a design team, a construction unit, an operation department, a business owner and the like can perform cooperative work based on BIM, so that the consistency of the information of all parties is ensured, the working efficiency is effectively improved, the cost is reduced, and the high-quality construction of the building is realized.
In some key positions (such as the crossing position of two beams, the crossing position of a beam column and the like) in the concrete structure, the spatial position distribution of the steel bars in the concrete structure is complex, and the built-in BIM model of the steel bars of the concrete beam can visually check the distribution of the steel bars of the beam, is convenient for carrying out collision checking with the steel bars, embedded parts and the like in other beams and columns, and further optimizes the design and construction of the steel bar nodes. The existing beam reinforcement modeling tools are two, the first is to automatically build a layer of main reinforcement or additional reinforcement on the surface of the beam, and the automatic modeling of multiple layers of main reinforcements cannot be realized; the second is to manually build main bars on each layer of the surface of the beam by using a bar modeling tool with software, and the working efficiency is relatively low.
Disclosure of Invention
The invention aims to provide a rectangular concrete beam multilayer main reinforcement BIM modeling method based on Dynamo technology, so as to solve the problems in the background technology.
In order to achieve the above purpose, the invention provides a rectangular concrete beam multilayer main reinforcement BIM modeling method based on Dynamo technology, which comprises the following steps:
s1, establishing a rectangular concrete beam model with parameterized geometric dimensions in Revit software;
s2, reading the geometric dimensions and main reinforcement information in a reinforcement table of the beam by using Dynamo software;
s3, modifying the width and the height of the rectangular beam according to the data information in the reinforcing steel bar table of the beam;
s4, acquiring entity surface information of the rectangular beam;
s5, calculating main reinforcement arrangement parameters of each layer of the surface of the beam according to the main reinforcement information in the reinforcement table of the beam;
s6, creating main reinforcements of each layer on each surface of the beam, and adjusting the display effect of the main reinforcements.
In a preferred embodiment, in step S2, the reading of the geometry and main tendon information in the rebar form of the beam using Dynamo software includes: and according to the beam reinforcement position and the beam reinforcement drawing which are established as required, the geometric dimension and the main reinforcement information of the beam are collected into a beam reinforcement table matched with the Dynamo program, wherein the geometric dimension comprises the width and the height of the rectangular beam, and the main reinforcement information comprises the number, the diameter and the length of main reinforcements of each layer.
In a preferred embodiment, in step S3, modifying the width and height of the rectangular beam according to the data information in the beam' S rebar table includes: two global parameters, namely beam width and beam height, are defined in Revit, the two global parameters are associated with the actual dimensions of the width and height of the rectangular beam, and the modification of the width and height of the rectangular beam is completed by modifying the global parameters.
In a preferred embodiment, in step S4, obtaining the solid surface information of the rectangular beam includes: and selecting a beam from the established rectangular concrete beam model parameterized by geometric dimensions, and acquiring the dimension of the corresponding surface and the positioning information of the corresponding surface in a three-dimensional space according to the number of each surface of the rectangular beam.
In a preferred embodiment, the number, diameter and length of the main reinforcements on the surface of the beam are read from the reinforcement table of the beam, and the offset distance n= - (a+b+c/2) between the center of the reinforcement and the surface of the beam is automatically calculated by inputting the thickness of the outermost reinforcement protection layer and the diameter of the stirrup, wherein a is the thickness of the outermost reinforcement protection layer, b is the diameter of the stirrup, and c is the diameter of the main reinforcements on the surface of the beam.
In a preferred embodiment, if multiple layers of rebar are present, the center of the second layer of primary rebar is offset from the beam surface by a distance n= - (a+b+c/2+d+e), where d is the diameter of the first layer of primary rebar and e is the clear distance between the first layer of primary rebar and the second layer of primary rebar.
In a preferred embodiment, in step S6, creating main tendons on each layer of each surface of the beam, and adjusting the display effect of the tendons, including: and (3) dividing the surface of the beam selected in the step S4 into lines according to the main rib information read in the step S5 and the calculated offset distance n between the center of the reinforcing steel bar and the surface of the beam, equally dividing the surface of the beam at the offset distance n according to the number of the main ribs, and carrying out percentage shearing according to the length of the main ribs to obtain a plurality of main rib center lines, wherein the number of the main rib center lines is equal to the number of the main ribs.
In a preferred embodiment, in step S6, the main ribs of each layer on each surface of the beam are created, and the display effect of the main ribs is adjusted, and further including: inputting the type, model and starting and ending point hook information of the main reinforcement, converting the center line of the main reinforcement into a reinforcing steel bar entity, modifying the display mode of the generated reinforcing steel bar in the three-dimensional view, and obtaining the beam main reinforcement three-dimensional model from displaying in lines to displaying in entity.
In a preferred embodiment, in the steel bar table of the beam, the geometric dimension of the beam is divided into two integers of the beam width and the beam height, and the number, the diameter and the length of the main bars of each layer of the beam are expressed by dividing the number, the diameter and the length of the main bars of each layer of the beam into independent integers in the table.
Compared with the prior art, the invention has the beneficial effects that:
1. the method can realize automatic modeling of the multilayer main reinforcements of the rectangular beam, and solves the problem that the existing automatic modeling software of the reinforcing steel bars can only establish one layer of main reinforcements, thereby realizing rapid establishment of three-dimensional models of the multilayer main reinforcements on each surface of the concrete beam in Revit software;
2. when the geometric dimension of the beam and the parameters of the reinforcing steel bars are changed, quick modification can be realized, and under the condition that the parameters of the beam are frequently modified, compared with the reinforcement modeling function of Revit, the efficiency is greatly improved;
3. the geometric dimension and the reinforcing steel parameters of the beam are from a reinforcing steel table of the beam which is matched with the actual project requirement, thereby bringing convenience to the collision analysis and subsequent guidance construction of the reinforcing steel;
4. the steel bars established by the method are not generated by using an array function, and each steel bar is an independent component, so that manual adjustment of parameters of a single steel bar is convenient when the steel bar is subjected to collision analysis;
5. the method adopts the thought of multi-layer steel bar modeling on the geometric surface of the beam, and can be applied and popularized to beams or concrete members with other shapes.
Drawings
Fig. 1 is a process flow diagram of a preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. Embodiments of the present invention are intended to be within the scope of the present invention as defined by the appended claims.
Example 1
As shown in fig. 1, the rectangular concrete beam multilayer main reinforcement BIM modeling method based on Dynamo technology according to the preferred embodiment of the present invention includes the following steps:
and S1, establishing a rectangular concrete beam model with parameterized geometric dimensions in Revit software.
And S2, reading the geometric dimensions and the main reinforcement information in the reinforcement table of the beam by using Dynamo software.
Specifically, the method comprises the following steps: firstly, according to the beam reinforcement position and the beam reinforcement drawing which are established as required, the geometric dimension and the main reinforcement information of the beam are collected and summarized into a beam reinforcement table matched with Dynamo programs. The data in the beam's rebar form can be matched to the rebar expression of a particular project engineering beam. The geometric dimensions comprise the width and the height of the rectangular beam, and the main rib information comprises the number, the diameter and the length of main ribs of each layer.
And S3, modifying the width and the height of the rectangular beam according to the data information in the reinforcing steel bar table of the beam.
Specifically, the method comprises the following steps: two global parameters, beam width and beam height, are defined in Revit, and are associated with the actual dimensions of the width and height of the rectangular beam. According to the geometry of the beam (width and height data of the rectangular beam) read in the step S2, the width and height of the rectangular beam are modified by modifying the beam width and the beam height in the global parameters in the step S3.
And S4, acquiring entity surface information of the rectangular beam.
Specifically, the method comprises the following steps: and selecting a beam from the established rectangular concrete beam model with parameterized geometric dimensions, acquiring each geometric surface of the beam corresponding to the geometric entity, and selecting the surface of the beam on which the reinforcing steel bars are to be arranged, wherein the surface on which the reinforcing steel bars are to be arranged can be increased or decreased according to actual conditions. The specific operation is as follows: and acquiring the size of the corresponding surface and the positioning information of the corresponding surface in the three-dimensional space according to the number of each surface of the rectangular beam.
And S5, calculating the arrangement parameters of the main reinforcements of each layer on each surface of the beam according to the main reinforcement information in the reinforcement table of the beam.
Specifically, the method comprises the following steps: and reading the number m, the diameter c and the length l of the main reinforcements on the surface of the beam from a reinforcement table of the beam, and automatically calculating the offset distance n= - (a+b+c/2) of the center of the reinforcement from the surface of the beam by inputting the thickness of the outermost reinforcement protection layer and the diameter of the stirrup, wherein a is the thickness of the outermost reinforcement protection layer, b is the diameter of the stirrup, and c is the diameter of the main reinforcements on the surface of the beam.
Further, if multiple layers of main ribs exist, the offset distance n= - (a+b+c/2+d+e) of the center of the second layer of main ribs from the beam surface, where d is the diameter of the first layer of main ribs and e is the clear distance between the first layer of main ribs and the second layer of main ribs. The offset distance of the center of each layer of main rib from the beam surface is similar.
And S6, creating main reinforcements of each layer on each surface of the beam, and adjusting the display effect of the reinforcements.
Specifically, the method comprises the following steps: and (3) dividing the surface of the beam selected in the step S4 into lines according to the main rib information read in the step S5 and the calculated offset distance n between the center of the reinforcing steel bar and the surface of the beam, equally dividing the surface of the beam surface at the offset distance n into lines according to the number m of the main ribs, and shearing the lines according to the length l of the main ribs to obtain m lines meeting the offset distance n and the length l, wherein the lines are the central lines of the main ribs on the surface of the beam, and the number of the central lines of the main ribs is equal to the number of the main ribs.
Further, the type, the model and the starting and ending point hook information of the main reinforcement are input, the center line of the main reinforcement is converted into a reinforcing steel bar entity, the display mode of the generated main reinforcement in the three-dimensional view is modified, and the beam main reinforcement three-dimensional model is obtained from line display to entity display. And repeating the process to complete the rapid modeling of the main ribs of each layer on each surface of the beam.
Example 2
The manner in which the method is implemented is further described in conjunction with the specific examples below:
taking the beam L6-15-L1-1 as an example, building a main rib model of each layer of each surface of the lower end of the beam:
first, the rebar modeling requirements are determined. Through communication with an engineering team, whether the steel bars at the intersection of the lower ends of the beams L6-15-L1-1 and the columns meet the embedded requirement or not needs to be considered, modeling is carried out on main bars at the lower ends of the beams L6-15-L1-1, and relevant latest drawings of the steel bars of the beams are confirmed, wherein the latest drawings comprise a structural plan view, a large steel bar sample view, a detailed reinforcement distribution view and the like of the beams.
The geometric information and the main reinforcement information of the beams required to be established in the graph are identified, and are collected and summarized into a beam reinforcement table matched with the Dynamo program, wherein the beam reinforcement table comprises the width, the height, the number, the diameter, the length and the like of main reinforcements of each layer, and if the layer does not have the main reinforcements, the layer is filled with '0'. The reinforcing steel bar form of the beam is characterized in that: the geometric dimension of the beam is split into two integers of the beam width and the beam height, so that the program reading is facilitated; the number, diameter and length of the main ribs of each layer of the beam are expressed by splitting the main ribs into independent integers in a table.
And opening a Revit Liang Moxing corresponding to the Dynamo self-programming program, opening a Dynamo self-programming program for quickly modeling multi-layer main tendons on each surface of the self-programming beam, selecting a reinforcement table of the beam in the last step, selecting the beam in the model, running the program, and generating a beam main tendon model. And (3) moving and rotating the beam main reinforcement model to the required position of the project, repeating the process to establish main reinforcements of other rectangular beams, establishing other required reinforcement models by adopting a conventional method, modifying the color display effect of the reinforcement, and submitting the color display effect to related teams for reference use.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A rectangular concrete beam multilayer main reinforcement BIM modeling method based on Dynamo technology is characterized in that: the method comprises the following steps:
s1, establishing a rectangular concrete beam model with parameterized geometric dimensions in Revit software;
s2, reading the geometric dimensions and main reinforcement information in a reinforcement table of the beam by using Dynamo software;
s3, modifying the width and the height of the rectangular beam according to the data information in the reinforcing steel bar table of the beam;
s4, acquiring entity surface information of the rectangular beam;
s5, calculating main reinforcement arrangement parameters of each layer of the surface of the beam according to the main reinforcement information in the reinforcement table of the beam;
s6, creating main reinforcements of each layer on each surface of the beam, and adjusting the display effect of the main reinforcements.
2. The Dynamo technology-based rectangular concrete beam multilayer main reinforcement BIM modeling method of claim 1 is characterized by comprising the following steps: in step S2, the geometry and main bar information in the bar form of the beam are read by using Dynamo software, including: and according to the beam reinforcement position and the beam reinforcement drawing which are established as required, the geometric dimension and the main reinforcement information of the beam are collected into a beam reinforcement table matched with the Dynamo program, wherein the geometric dimension comprises the width and the height of the rectangular beam, and the main reinforcement information comprises the number, the diameter and the length of main reinforcements of each layer.
3. The Dynamo technology-based rectangular concrete beam multilayer main reinforcement BIM modeling method of claim 2 is characterized by comprising the following steps: in step S3, modifying the width and height of the rectangular beam according to the data information in the reinforcing steel bar table of the beam, including: two global parameters, namely beam width and beam height, are defined in Revit, the two global parameters are associated with the actual dimensions of the width and height of the rectangular beam, and the modification of the width and height of the rectangular beam is completed by modifying the global parameters.
4. The Dynamo technology-based rectangular concrete beam multilayer main reinforcement BIM modeling method of claim 1 is characterized by comprising the following steps: in step S4, obtaining the entity surface information of the rectangular beam includes: and selecting a beam from the established rectangular concrete beam model parameterized by geometric dimensions, and acquiring the dimension of the corresponding surface and the positioning information of the corresponding surface in a three-dimensional space according to the number of each surface of the rectangular beam.
5. The Dynamo technology-based rectangular concrete beam multilayer main reinforcement BIM modeling method of claim 4, characterized by comprising the steps of: and reading the number, the diameter and the length of the main reinforcements on the surface of the beam from a reinforcement table of the beam, and automatically calculating the offset distance n= - (a+b+c/2) between the center of the reinforcement and the surface of the beam by inputting the thickness of the outermost reinforcement protection layer and the diameter of the stirrups, wherein a is the thickness of the outermost reinforcement protection layer, b is the diameter of the stirrups, and c is the diameter of the main reinforcements on the surface of the beam.
6. The Dynamo technology-based rectangular concrete beam multilayer main reinforcement BIM modeling method of claim 5, characterized by comprising the steps of: if multiple layers of main reinforcements exist, the offset distance n= - (a+b+c/2+d+e) of the center of the second layer of main reinforcements from the beam surface, where d is the diameter of the first layer of main reinforcements and e is the clear distance between the first layer of main reinforcements and the second layer of main reinforcements.
7. The Dynamo technology-based rectangular concrete beam multilayer main reinforcement BIM modeling method of claim 6, characterized by comprising the steps of: in step S6, creating main tendons on each layer of the surface of the beam, and adjusting the display effect of the tendons, including: and (3) dividing the surface of the beam selected in the step S4 into lines according to the main rib information read in the step S5 and the calculated offset distance n between the center of the main rib and the surface of the beam, and carrying out percentage shearing according to the length of the main rib to obtain a plurality of main rib center lines, wherein the number of the main rib center lines is equal to that of the main ribs.
8. The Dynamo technology-based rectangular concrete beam multilayer main reinforcement BIM modeling method of claim 7, characterized by comprising the steps of: in step S6, creating main tendons on each layer of the surface of the beam, and adjusting the display effect of the main tendons, and further including: inputting the type, model and starting and ending point hook information of the main reinforcement, converting the center line of the main reinforcement into a reinforcing steel bar entity, modifying the display mode of the generated main reinforcement in the three-dimensional view, and obtaining the beam main reinforcement three-dimensional model from displaying by lines to displaying by entities.
9. The Dynamo technology-based rectangular concrete beam multilayer main reinforcement BIM modeling method of claim 3, characterized by: in the steel bar table of the beam, the geometric dimension of the beam is divided into two integers of the beam width and the beam height, and the number, the diameter and the length of the main bars of each layer of the beam are divided into independent integers in the table to express.
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| CN104156544A (en) * | 2014-08-29 | 2014-11-19 | 北京六建集团有限责任公司 | Automatic beam and column steel bar joint arranging and constructing simulation method based on BIM technology |
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