Information transmission method of prefabricated concrete components based on CAD and Revit platform

Abstract

The invention discloses a method for transmitting information of prefabricated concrete components based on CAD and Revit platforms, comprising: constructing a data link table of each type of prefabricated concrete components; in the CAD platform, using polygonal CAD primitives composed of closed line segments to represent the plane geometry information of each type of prefabricated concrete components; using a CAD interface, attaching the data link table to the CAD primitives of the corresponding prefabricated concrete components in the form of extended data, wherein the plane geometry information and the data link table fully express all information of a prefabricated concrete component; in Revit three-dimensional BIM software, reading the CAD primitives in the CAD design drawings through an interface program, and reading the data link table in the extended data attached to the CAD primitives; generating a three-dimensional model and a detailed processing drawing through the Revit three-dimensional BIM software according to the CAD primitives and the data link table, thereby solving the problems of manpower waste and high error rate in the process of information transmission and improving the level of informatization in building industrialization.

Description

Technical Field

[0001] The present application relates to the technical field of prefabricated concrete design and manufacturing, and in particular to a method for transmitting information of prefabricated concrete components based on CAD and Revit platforms. Background Art

[0002] Building industrialization is the future development trend of the construction industry, and it is imperative to improve the information level of industrialized buildings. Prefabricated concrete structure is the main form of prefabricated buildings in my country. It has the advantages of relatively low cost and wide application range. It will continue to dominate the selection of prefabricated building structures in the future. At present, the information level of prefabricated concrete structure is still at a relatively low level, which is not conducive to the long-term sustainable development of my country's construction industry, nor is it conducive to keeping pace with international development trends.

[0003] At present, the design and construction chain of prefabricated components in the industry is as follows: First, after the structural engineer completes the design and drawing of the prefabricated components according to the traditional process, because the two-dimensional plane elements can only express the plane geometric information of the prefabricated concrete components, a series of information needs to be expressed with the help of text annotations to express the thickness and various reinforcement information. Therefore, the subsequent in-depth processing drawing drawing personnel need to manually read the design drawings based on the structural design drawings, and complete the drawing of the in-depth processing drawings based on the understanding of the drawings and deliver them to the factory for processing.

[0004] At present, the 2D CAD platform is still the main drawing software used by structural engineers, and plane drawing is still the mainstream engineering drawing method. In recent years, with the popularization of 3D BIM software, more and more detailed processing drawings are automatically generated by the software after the staff of the detailing unit read the 2D CAD drawings of the structural engineer and model them in the 3D platform Revit.

[0005] During this process, the people who draw the in-depth drawings need to read and understand the original drawings. Errors and omissions are inevitable in the process of information transmission, and there is waste of manpower. The level of informatization in industrialization is also low. Summary of the invention

[0006] The purpose of the embodiment of the present application is to provide a method for transmitting information of prefabricated concrete components based on CAD and Revit platforms, so as to solve the problems of waste of manpower and high error rate in the information transmission process existing in the related art.

[0007] According to a first aspect of an embodiment of the present application, a method for transmitting information of prefabricated concrete components based on a CAD and Revit platform is provided, comprising:

[0008] Construct a data link table for each type of precast concrete component;

[0009] In the CAD platform, polygonal CAD primitives composed of closed line segments are used to represent the plane geometric information of each type of prefabricated concrete component;

[0010] Using a CAD interface, the data linked list is attached to a CAD primitive of a corresponding prefabricated concrete component in the form of extended data, wherein the plane geometric information and the data linked list fully express all information of a prefabricated concrete component;

[0011] In Revit 3D BIM software, the CAD element in the CAD design drawing is read through the interface program, and the data link table in the additional extended data of the CAD element is read;

[0012] According to the CAD graphic elements and data link list, a three-dimensional model and in-depth processing drawings are generated through Revit three-dimensional BIM software.

[0013] Optionally, constructing a data link table for each type of precast concrete component includes the following sub-steps:

[0014] Excluding the plane geometry information data from the data graph of each type of precast concrete component, the plane geometry information data is expressed by the attributes of the CAD primitives;

[0015] After excluding the plane geometry information data, a data link table of each type of prefabricated concrete component is constructed, and the data structure includes three-dimensional section size data and reinforcement data.

[0016] Optionally, the precast concrete components include precast panels, precast beams, precast wall panels and precast columns, and the data link tables of the precast panels, precast beams, precast wall panels and precast columns are as follows:

[0017] Precast slab: thickness - X reinforcement for the upper layer - Y reinforcement for the upper layer - X reinforcement for the lower layer - Y reinforcement for the upper layer;

[0018] Precast beam: beam section height - stirrups in the densified area - full-length longitudinal reinforcement - longitudinal reinforcement at the left support of the beam - longitudinal reinforcement at the right support of the beam - longitudinal reinforcement at the bottom of the beam;

[0019] Prefabricated wall panels: wall thickness - wall length - horizontal distribution steel bars - vertical distribution steel bars - tie bars;

[0020] Precast column: column length - stirrups in the reinforced area - stirrups in the non-reinforced area - longitudinal reinforcement in the X direction - longitudinal reinforcement in the Y direction.

[0021] Optionally, in the CAD platform, polygonal CAD primitives composed of closed line segments are used to represent the plane geometric information of each type of prefabricated concrete component, including:

[0022] In the CAD platform, arbitrary closed polygons are used to express the plane shapes of various precast concrete components. According to the classification of precast concrete components, the arbitrary closed polygons are placed in different CAD layers to generate closed polyline CAD primitives to represent the plane geometric information of each type of prefabricated concrete component.

[0023] Optionally, according to the CAD graphic elements and data link table, a 3D model and a detailed processing drawing are generated by Revit 3D BIM software, including:

[0024] After reading the CAD graphics and data link table, the prefabricated component in-depth design plug-in is used to batch generate the 3D model of each prefabricated concrete component;

[0025] In the Revit three-dimensional software, the three-dimensional model is used to generate a corresponding detailed processing drawing of each prefabricated concrete component.

[0026] Optionally, after the polygonal CAD primitives composed of closed line segments are used to represent the plane geometric information of each type of prefabricated concrete component, the method further includes:

[0027] The polygonal CAD elements of each type of prefabricated concrete components are divided into layers.

[0028] According to a second aspect of an embodiment of the present application, there is provided an information transmission device for prefabricated concrete components based on a CAD and Revit platform, comprising:

[0029] A construction module for constructing a data link list of each type of precast concrete component;

[0030] A representation module is used to represent the plane geometric information of each type of prefabricated concrete component by using polygonal CAD primitives composed of closed line segments in the CAD platform;

[0031] An additional module is used to use a CAD interface to attach the data link table in the form of extended data to the CAD primitive of the corresponding prefabricated concrete component, wherein the plane geometry information and the data link table fully express all information of a prefabricated concrete component;

[0032] The reading module is used to read the CAD element in the CAD design drawing through the interface program in the Revit three-dimensional BIM software, and read the data link table in the additional extended data of the CAD element;

[0033] A generation module is used to generate a three-dimensional model and a detailed processing drawing through Revit three-dimensional BIM software according to the CAD graphic elements and data link table.

[0034] Optionally, after the presentation module, it also includes:

[0035] The differentiation module is used to differentiate the polygonal CAD elements of each type of prefabricated concrete components by layers.

[0036] According to a third aspect of an embodiment of the present application, there is provided an electronic device, including:

[0037] one or more processors;

[0038] A memory for storing one or more programs;

[0039] When the one or more programs are executed by the one or more processors, the one or more processors implement the method as described in the first aspect.

[0040] According to a fourth aspect of an embodiment of the present application, a computer-readable storage medium is provided, on which computer instructions are stored, and when the instructions are executed by a processor, the steps of the method described in the first aspect are implemented.

[0041] The technical solution provided by the embodiments of the present application may have the following beneficial effects:

[0042] It can be seen from the above embodiments that the present application constructs a data linked list and attaches the linked list in the form of extended data to a closed polygonal CAD primitive in a two-dimensional CAD platform, thereby completely expressing the three-dimensional cross-sectional dimension data and reinforcement data of various complex prefabricated concrete components, avoiding the use of manual modeling to complete the transfer of information from two-dimensional plane design to three-dimensional model, thereby improving work efficiency, saving human resources, and reducing errors in the data transmission process.

[0043] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0045] Figure 1 The present invention is a flowchart of a method for transmitting information of prefabricated concrete components based on CAD and Revit platforms according to an exemplary embodiment.

[0046] Figure 2 The figure is a summary diagram of prefabricated component data according to an exemplary embodiment.

[0047] Figure 3 It is a linked list of various prefabricated component data according to an exemplary embodiment.

[0048] Figure 4The present invention is a block diagram of an information transmission device for prefabricated concrete components based on CAD and Revit platforms according to an exemplary embodiment. DETAILED DESCRIPTION

[0049] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0050] The terms used in this application are for the purpose of describing specific embodiments only and are not intended to limit this application. The singular forms of "a", "said" and "the" used in this application and the appended claims are also intended to include plural forms unless the context clearly indicates other meanings. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0051] Figure 1 is a flow chart of a method for transmitting information of prefabricated concrete components based on CAD and Revit platforms according to an exemplary embodiment, such as Figure 1 As shown, the method may include the following steps:

[0052] S1: Construct a data link table for each type of precast concrete component;

[0053] S2: In the CAD platform, polygonal CAD primitives composed of closed line segments are used to represent the plane geometric information of each type of prefabricated concrete component;

[0054] S3: using a CAD interface, attaching the data linked list in the form of extended data to the CAD primitive of the corresponding prefabricated concrete component, wherein the plane geometric information and the data linked list fully express all information of a prefabricated concrete component;

[0055] S4: In the Revit 3D BIM software, the CAD element in the CAD design drawing is read through the interface program, and the data link table in the additional extended data of the CAD element is read;

[0056] S5: Generate a three-dimensional model and a detailed processing drawing through Revit three-dimensional BIM software according to the CAD graphic elements and data link list.

[0057] It can be seen from the above embodiments that the present application constructs a data linked list and attaches the linked list in the form of extended data to a closed polygonal CAD primitive in a two-dimensional CAD platform, thereby completely expressing the three-dimensional cross-sectional dimension data and reinforcement data of various complex prefabricated concrete components, avoiding the use of manual modeling to complete the transfer of information from two-dimensional plane design to three-dimensional model, thereby improving work efficiency, saving human resources, and reducing errors in the data transmission process.

[0058] In the specific implementation of S1: constructing a data link table for each type of precast concrete component; this step may include the following sub-steps:

[0059] S11: excluding plane geometric information data from the data graph of each type of precast concrete component, wherein the plane geometric information data is expressed by the attributes of the CAD primitive itself;

[0060] S12: After excluding the plane geometry information data, construct a data linked list for each type of prefabricated concrete component, wherein the data structure includes three-dimensional section size data and reinforcement data.

[0061] For each prefabricated concrete component, its plane geometric properties can be represented by closed line segments. Therefore, in the CAD two-dimensional platform, the two-dimensional geometric information of prefabricated panels, prefabricated beams, prefabricated wall panels and prefabricated columns can be represented by polygonal primitives composed of closed wireframes. The data link table of the prefabricated panels, prefabricated beams, prefabricated wall panels and prefabricated columns is as follows (see Figure 3 ):

[0062] Precast slab: thickness - X reinforcement for the upper layer - Y reinforcement for the upper layer - X reinforcement for the lower layer - Y reinforcement for the upper layer;

[0063] Precast beam: beam section height - stirrups in the densified area - full-length longitudinal reinforcement - longitudinal reinforcement at the left support of the beam - longitudinal reinforcement at the right support of the beam - longitudinal reinforcement at the bottom of the beam;

[0064] Prefabricated wall panels: wall thickness - wall length - horizontal distribution steel bars - vertical distribution steel bars - tie bars;

[0065] Precast column: column length - stirrups in the reinforced area - stirrups in the non-reinforced area - longitudinal reinforcement in the X direction - longitudinal reinforcement in the Y direction.

[0066] Since plane geometric line segments can only reflect plane information, in order to fully represent three-dimensional geometric information and other information such as reinforcement, a data link needs to be added to each type of component to describe the remaining information of the prefabricated component.

[0067] In the specific implementation of S2: in the CAD platform, a polygonal CAD primitive composed of closed line segments is used to represent the plane geometric information of each type of prefabricated concrete component;

[0068] Specifically, in the CAD platform, arbitrary closed polygons are used to express the plane shapes of various precast concrete components, and according to the classification of precast concrete components, the arbitrary closed polygons are placed in different CAD layers to generate closed polyline CAD primitives to represent the plane geometric information of each type of prefabricated concrete component.

[0069] In the specific implementation of S3: using the CAD interface, the data linked list is attached to the CAD primitive of the corresponding prefabricated concrete component in the form of extended data, and the plane geometric information and the data linked list fully express all the information of a prefabricated concrete component;

[0070] Specifically, after completing the calculation and design of various prefabricated components, the structural designer draws closed polylines in the two-dimensional CAD to represent the corresponding prefabricated components. At the same time, using the CAD interface, a program is compiled to form a data chain of information of the prefabricated components and attach it to the CAD primitives of the prefabricated components.

[0071] In the specific implementation of S4: in the Revit three-dimensional BIM software, the CAD element in the CAD design drawing is read through the interface program, and the data link list in the additional extended data of the CAD element is read;

[0072] Specifically, after each prefabricated component is operated as in S3, the structural engineer delivers the prefabricated component layout drawing with data link to the detailed design unit. Generally, the detailed design unit will read and understand the design drawing based on the design drawing, and then model it in 3D Revit or other 3D software to complete the subsequent detailed design drawing. However, after relying on the method in this paper, the closed polygonal element of each prefabricated component in the drawing delivered by the structural engineer has complete data information. Therefore, in the Revit 3D modeling software, by picking up the closed graphics in the CAD drawing and using the interface program, the corresponding data link data can be read.

[0073] In the specific implementation of S5: according to the CAD graphic elements and the data link table, a three-dimensional model and a detailed processing drawing are generated by using the Revit three-dimensional BIM software; this step may include the following sub-steps:

[0074] S51: after reading the CAD graphic elements and the data link table, the three-dimensional model of each prefabricated concrete prefabricated component is generated in batches using the prefabricated component in-depth design plug-in;

[0075] S52 generates a corresponding detailed processing drawing of each prefabricated concrete component using the three-dimensional model in Revit three-dimensional software, and the detailed processing drawing can be delivered to the manufacturer for cutting and production.

[0076] After using polygonal CAD primitives composed of closed line segments to represent the plane geometric information of each type of prefabricated concrete component, it also includes:

[0077] The polygonal CAD elements of each type of prefabricated concrete components are divided into layers.

[0078] Specifically, in order to distinguish the types of planar polylines, the CAD graphics elements of each closed polyline can be distinguished by layer, such as a precast column layer, a precast beam layer, a precast panel layer, and a precast wall panel layer.

[0079] In the two-dimensional CAD platform, the present application fully expresses the three-dimensional cross-sectional dimension data and reinforcement data of various complex assembled concrete components by distinguishing layers for simple closed polygonal graphics and attaching corresponding data linked lists to the graphics. The information level of industrial design can be improved without changing the existing working habits of structural engineers. Most of the design work can be completed in the two-dimensional platform and data files can be generated. At the same time, this method avoids the use of manual modeling to complete the transfer of information from two-dimensional plane design to three-dimensional model in the in-depth design stage. It can maximize work efficiency, save human resources, and reduce errors in the data transmission process under existing conditions.

[0080] Corresponding to the aforementioned embodiment of the method for transmitting information of prefabricated concrete components based on the CAD and Revit platforms, the present application also provides an embodiment of the device for transmitting information of prefabricated concrete components based on the CAD and Revit platforms.

[0081] Figure 4 The block diagram of an information transmission device for prefabricated concrete components based on CAD and Revit platform is shown according to an exemplary embodiment. Figure 4 , the device comprises:

[0082] A construction module 21 is used to construct a data link table for each type of precast concrete component;

[0083] A representation module 22 is used to represent the plane geometric information of each type of prefabricated concrete component by using polygonal CAD primitives composed of closed line segments in the CAD platform;

[0084] The appending module 23 is used to use the CAD interface to append the data link table in the form of extended data to the CAD primitive of the corresponding prefabricated concrete component, wherein the plane geometric information and the data link table fully express all information of a prefabricated concrete component;

[0085] The reading module 24 is used to read the CAD element in the CAD design drawing through the interface program in the Revit three-dimensional BIM software, and read the data link table in the additional extended data of the CAD element;

[0086] The generating module 25 is used to generate a three-dimensional model and a detailed processing drawing through the Revit three-dimensional BIM software according to the CAD graphic elements and the data link table.

[0087] Optionally, after the representation module 23, the following is further included:

[0088] The differentiation module is used to differentiate the polygonal CAD elements of each type of prefabricated concrete components by layers.

[0089] Regarding the device in the above embodiment, the specific manner in which each module performs operations has been described in detail in the embodiment of the method, and will not be elaborated here.

[0090] For the device embodiment, since it basically corresponds to the method embodiment, the relevant parts can refer to the partial description of the method embodiment. The device embodiment described above is only schematic, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the present application scheme. A person of ordinary skill in the art can understand and implement it without paying any creative work.

[0091] Correspondingly, the present application also provides an electronic device, comprising: one or more processors; a memory for storing one or more programs; when the one or more programs are executed by the one or more processors, the one or more processors implement the above-mentioned method for transmitting information of prefabricated concrete components based on CAD and Revit platform.

[0092] Correspondingly, the present application also provides a computer-readable storage medium on which computer instructions are stored. When the instructions are executed by a processor, the method for transmitting information of prefabricated concrete components based on the CAD and Revit platforms as described above is implemented.

[0093] Those skilled in the art will readily appreciate other embodiments of the present application after considering the description and practicing the contents disclosed herein. The present application is intended to cover any modification, use or adaptation of the present application, which follows the general principles of the present application and includes common knowledge or customary techniques in the art that are not disclosed in the present application. The description and examples are intended to be exemplary only, and the true scope and spirit of the present application are indicated by the claims.

[0094] It should be understood that the present application is not limited to the precise structures that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present application is limited only by the appended claims.

Claims

1. A method for transmitting information of prefabricated concrete components based on CAD and Revit platform, characterized in that: include: Construct a data link table for each type of precast concrete component; In the CAD platform, polygonal CAD primitives composed of closed line segments are used to represent the plane geometric information of each type of prefabricated concrete component; Using a CAD interface, the data linked list is attached to a CAD primitive of a corresponding prefabricated concrete component in the form of extended data, wherein the plane geometric information and the data linked list fully express all information of a prefabricated concrete component; In Revit 3D BIM software, the CAD element in the CAD design drawing is read through the interface program, and the data link table in the additional extended data of the CAD element is read; Generate a three-dimensional model and a detailed processing drawing using Revit three-dimensional BIM software according to the CAD graphic elements and data link table; The step of constructing a data link table for each type of precast concrete component includes the following sub-steps: Excluding the plane geometry information data from the data graph of each type of precast concrete component, the plane geometry information data is expressed by the attributes of the CAD primitives; After excluding the plane geometry information data, constructing a data link table for each type of prefabricated concrete component, wherein the data link table includes three-dimensional cross-sectional dimension data and reinforcement data; Among them, in the CAD platform, polygonal CAD primitives composed of closed line segments are used to represent the plane geometric information of each type of prefabricated concrete component, including: In the CAD platform, arbitrary closed polygons are used to express the plane shapes of various precast concrete components. According to the classification of precast concrete components, the arbitrary closed polygons are placed in different CAD layers to generate closed polyline CAD primitives to represent the plane geometric information of each type of prefabricated concrete component.

2. The method according to claim 1, characterized in that The precast concrete components include precast panels, precast beams, precast wall panels and precast columns. The data link tables of the precast panels, precast beams, precast wall panels and precast columns are as follows: Precast slab: thickness - X reinforcement for the upper layer - Y reinforcement for the upper layer - X reinforcement for the lower layer - Y reinforcement for the upper layer; Precast beam: beam section height - stirrups in the densified area - full-length longitudinal reinforcement - longitudinal reinforcement at the left support of the beam - longitudinal reinforcement at the right support of the beam - longitudinal reinforcement at the bottom of the beam; Prefabricated wall panels: wall thickness - wall length - horizontal distribution steel bars - vertical distribution steel bars - tie bars; Precast column: column length - stirrups in the reinforced area - stirrups in the non-reinforced area - longitudinal reinforcement in the X direction - longitudinal reinforcement in the Y direction.

3. The method according to claim 1, characterized in that According to the CAD elements and data link table, a 3D model and in-depth processing drawings are generated by Revit 3D BIM software, including: After reading the CAD graphics and data link table, the prefabricated component in-depth design plug-in is used to batch generate the 3D model of each prefabricated concrete component; In the Revit three-dimensional software, the three-dimensional model is used to generate a corresponding detailed processing drawing of each prefabricated concrete component.

4. An information transmission device for prefabricated concrete components based on CAD and Revit platform, characterized in that: include: A construction module for constructing a data link list of each type of precast concrete component; A representation module is used to represent the plane geometric information of each type of prefabricated concrete component by using polygonal CAD primitives composed of closed line segments in the CAD platform; An additional module is used to use a CAD interface to attach the data link table in the form of extended data to the CAD primitive of the corresponding prefabricated concrete component, wherein the plane geometry information and the data link table fully express all information of a prefabricated concrete component; The reading module is used to read the CAD element in the CAD design drawing through the interface program in the Revit three-dimensional BIM software, and read the data link table in the additional extended data of the CAD element; A generation module is used to generate a three-dimensional model and a detailed processing drawing through Revit three-dimensional BIM software according to the CAD graphic elements and data link table; The step of constructing a data link table for each type of precast concrete component includes the following sub-steps: Excluding the plane geometry information data from the data graph of each type of precast concrete component, the plane geometry information data is expressed by the attributes of the CAD primitives; After excluding the plane geometry information data, constructing a data link table for each type of prefabricated concrete component, wherein the data link table includes three-dimensional cross-sectional dimension data and reinforcement data; Among them, in the CAD platform, polygonal CAD primitives composed of closed line segments are used to represent the plane geometric information of each type of prefabricated concrete component, including: In the CAD platform, arbitrary closed polygons are used to express the plane shapes of various precast concrete components. According to the classification of precast concrete components, the arbitrary closed polygons are placed in different CAD layers to generate closed polyline CAD primitives to represent the plane geometric information of each type of prefabricated concrete component.

5. An electronic device, characterized in that: include: one or more processors; A memory for storing one or more programs; When the one or more programs are executed by the one or more processors, the one or more processors implement the method according to any one of claims 1 to 3.

6. A computer-readable storage medium having computer instructions stored thereon, characterized in that: When the instruction is executed by a processor, the steps of the method according to any one of claims 1 to 3 are implemented.

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