CN111862303A - BIM technology-based subway station pipeline migration and transformation demonstration method - Google Patents
BIM technology-based subway station pipeline migration and transformation demonstration method Download PDFInfo
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Abstract
The invention discloses a BIM technology-based subway station pipeline migration and change demonstration method, which comprises the following steps: respectively establishing an undisturbed pipeline three-dimensional model and a modified pipeline three-dimensional model, and marking pipelines of the same type in the models; introducing the two pipeline three-dimensional models into Sketchup software, drawing a subway station model, and selecting a datum point to integrate the three models in the same space; respectively establishing model layers for different types of pipelines in the model, and independently establishing a model layer for a subway station model; opening a model layer of a subway station model and a model layer of a pipeline of an undisturbed pipeline three-dimensional model to be demonstrated, and closing the rest model layers; and opening a model layer of the pipeline of the migrated and modified pipeline three-dimensional model which is the same as the pipeline of the undisturbed pipeline three-dimensional model to be demonstrated, and comparing. And simulating a pipeline moving and changing scheme by using a Sketchup software platform to strengthen reasonable moving and changing of the underground pipeline.
Description
Technical Field
The invention relates to the technical field of BIM, in particular to a subway station pipeline migration and change demonstration method based on BIM technology.
Background
In large-scale complicated subway engineering projects, due to the fact that the arrangement of underground pipelines after being changed is various in system and complex in layout, collision between the changed pipelines often occurs, troubles are brought to construction, reworking or waste is caused, and potential safety hazards exist even. In order to avoid the above situation, in the conventional pipeline relocation process, the professional pipeline layout is coordinated through two-dimensional pipeline synthesis design, but the professional planar pipeline layout diagrams are simply superposed.
The current pipeline moving and modifying scheme mainly adopts a two-dimensional plane graph, a drawing is formed by overlapping multiple graphs, line segments are repeated, whether the moving and modifying position is reasonable or not is not easy to judge, and the workload is large. Sometimes, whether the changed pipelines conflict or not can be seen only by completely nesting all drawings, so that memory confusion is easily caused, and errors often occur.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a subway station pipeline migration and change demonstration method based on the BIM technology, which can improve project construction management level, provide technical support for accurately establishing an urban pipeline database, and facilitate later-stage operation and public management of subway station pipelines.
The technical scheme adopted by the invention is as follows: a subway station pipeline migration and change demonstration method based on a BIM technology comprises the following steps:
establishing an undisturbed pipeline three-dimensional model by using Autodesk Revit software according to an underground undisturbed pipeline of the subway station;
establishing a post-migration and post-modification pipeline three-dimensional model by using Autodesk Revit software according to a post-migration and post-modification scheme of the pipeline;
marking pipelines of the same type in the undisturbed pipeline three-dimensional model and the migrated pipeline three-dimensional model;
leading the undisturbed pipeline three-dimensional model and the changed pipeline three-dimensional model into Sketchup software;
drawing a subway station model in the Sketchup software, and selecting a datum point to integrate the undisturbed pipeline three-dimensional model, the pipeline three-dimensional model after the migration and the subway station model in the same space;
respectively establishing model layers for different types of pipelines in the undisturbed pipeline three-dimensional model and the migrated pipeline three-dimensional model, and independently establishing a model layer for the subway station model;
opening a model layer of the subway station model and a model layer of a pipeline of an undisturbed pipeline three-dimensional model to be demonstrated, and closing the rest model layers;
And opening a model layer of the pipeline of the migrated and modified pipeline three-dimensional model which is the same as the pipeline of the undisturbed pipeline three-dimensional model to be demonstrated, and comparing.
As an embodiment of the present invention, the alignment includes conflict alignment and position alignment.
As an embodiment of the present invention, the same type of pipeline is marked by giving the same color to the same type of pipeline, and different types of pipeline are given different colors.
As an embodiment of the present invention, the step of establishing the model layer includes:
simultaneously selecting the same type of pipelines in the undisturbed pipeline three-dimensional model, establishing a model layer, and repeating the operation until different model layers are respectively established for all different types of pipelines of the undisturbed pipeline three-dimensional model;
and simultaneously selecting the same type of pipelines in the moved and modified three-dimensional pipeline model, establishing model layers, and repeating the operation until different model layers are respectively established for all different types of pipelines of the moved and modified three-dimensional pipeline model.
As an embodiment of the present invention, the pipelines are classified into different types according to different materials, functions or positions.
The pipeline migration and modification scheme simulation method utilizes Sketchup software to simulate the pipeline migration and modification scheme, can effectively improve communication and cooperation among all the participating teams of the subway construction project and among other engineers, strengthens reasonable migration and modification of the underground pipeline, improves communication between all the participating units and all property right units and makes changes more quickly through the real-time visualization advantage, and achieves the final target.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart of a subway station pipeline relocation demonstration method based on the BIM technology provided by the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solution of the present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1, the method for demonstrating migration and change of a subway station pipeline based on the BIM technology provided in this embodiment mainly includes the following steps:
step S1: establishing an undisturbed pipeline three-dimensional model by using Autodesk Revit software according to an underground undisturbed pipeline of the subway station;
preferably, a three-dimensional model is established by using Autodesk Revit software according to underground undisturbed pipelines of subway stations provided by a surveying institution, and the colors given to different types of pipelines are different.
Step S2: establishing a post-migration and post-modification pipeline three-dimensional model by using Autodesk Revit software according to a post-migration and post-modification scheme of the pipeline;
Preferably, the three-dimensional information model is drawn by using Autodesk Revit software according to the plan after pipeline migration, the colors given to different types of pipelines are different, and the colors given to the same type of pipelines in the original pipeline three-dimensional model and the pipeline three-dimensional model after migration are the same.
Step S3: marking pipelines of the same type in the undisturbed pipeline three-dimensional model and the pipeline three-dimensional model after the migration and the modification;
specifically, by giving the colors to the pipelines in the steps S1 and S2, the same type of pipelines in the original pipeline three-dimensional model and the pipeline three-dimensional model after the migration can be marked; of course, different types of pipelines can be distinguished by marking different symbols and numbers, and pipelines of the same type are marked with the same symbols or numbers. The color is replaced by a symbol or a number, which can also serve the purpose of distinguishing the pipeline types, but the color can be more obvious and is convenient for observation.
Step S4: leading the three-dimensional model of the undisturbed pipeline and the three-dimensional model of the pipeline after the migration into Sketchup software;
preferably, the undisturbed pipeline three-dimensional model and the migrated pipeline three-dimensional model can be exported from Autodesk Revit software in dwg (or dxf) format and then imported into Sketchup software in dwg (or dxf) format.
Step S5: drawing a subway station model in Sketchup software, and selecting a reference point to integrate the undisturbed pipeline three-dimensional model, the pipeline three-dimensional model after the migration and the modification and the subway station model in the same space;
among them, the Sketchup software, i.e., the sketching master, is a piece of drawing software, named Sketchup in english, which can create, view, and modify three-dimensional creatives quickly and easily.
The undisturbed pipeline three-dimensional model, the moved pipeline three-dimensional model and the subway station model are all models built on the basis of design drawings of the same standard, and one reference point can be easily selected on the drawings so as to realize that the three models are placed in the same space, for example, a common surrounding building of the three models is selected as the reference point.
Step S6: respectively establishing model layers for different types of pipelines in the undisturbed pipeline three-dimensional model and the migrated pipeline three-dimensional model, and independently establishing a model layer for the subway station model;
specifically, in this step, the method may further include:
simultaneously selecting the same type of pipelines in the undisturbed pipeline three-dimensional model, establishing a model layer, and repeating the operation until different model layers are respectively established for the pipelines of all different types of undisturbed pipeline three-dimensional models; and
And simultaneously selecting the same type of pipelines in the moved and modified three-dimensional pipeline model, establishing model layers, and repeating the operation until different model layers are respectively established for the pipelines of all different types of moved and modified three-dimensional pipeline models.
Step S7: opening a model layer of a subway station model and a model layer of a pipeline of an undisturbed pipeline three-dimensional model to be demonstrated, and closing the rest model layers;
step S8: and opening a model layer of the pipeline of the migrated and modified pipeline three-dimensional model which is the same as the pipeline of the undisturbed pipeline three-dimensional model to be demonstrated, and comparing.
The alignment in this step includes conflict alignment and position alignment. Specifically, the comparison scheme may include whether each type of pipeline in the post-relocation pipeline three-dimensional model has a collision conflict with other components and whether the pipeline conforms to the relationship with the subway station position in the height direction.
In addition, in the above steps, the types of the pipelines may be classified into different types according to different materials, functions or positions.
Among the steps of the demonstration method for subway station pipeline migration and change based on the BIM technology, the following technologies are particularly worth noting:
(1) when different types of pipeline models are drawn, the pipeline models are drawn in the inner construction member model to form a whole, and the materials can be uniformly colored when the pipeline models are guided into Sketchup software;
(2) After a subway station structure model is drawn in Sketchup software, the subway station structure model is required to be corresponding to the pipeline position;
selecting a reference point according to the pipeline transfer graph paper to correspond the station model to the pipeline model, so that the generated comprehensive model is more meaningful;
(3) when the migration and modification pipeline to be displayed is expressed, other pipeline layers are required to be closed, and the three-dimensional effect is not influenced.
The pipeline is moved to be important content of municipal engineering construction, and has the characteristics of universality, complexity and stage. According to the invention, a comprehensive three-dimensional model of underground pipelines of a subway station is established by utilizing a BIM technology according to related pipeline information provided by a reconnaissance design institute, and the functions of information classification, migration and modification simulation of the underground pipelines are realized. By analyzing the position relation problem of the underground pipeline and the underground building, the pipeline moving and changing design optimization scheme is provided, and necessary reference is provided for pipeline moving and changing work in municipal works such as urban rail transit. The current pipeline moving and modifying scheme mainly adopts a two-dimensional plane graph, a drawing is formed by overlapping multiple graphs, line segments are repeated, whether the moving and modifying position is reasonable or not is not easy to judge, and the workload is large. Sometimes, whether the changed pipelines conflict or not can be seen only by completely nesting all drawings, so that memory confusion is easily caused, and errors often occur. In pipeline design, the BIM technology is one of the first-choice technologies of many previous engineering constructions by virtue of the advantages of visualization, all different types of pipeline models can be placed in the same integrated model by the three-dimensional information model, the coordination result of all types of pipelines is comprehensively checked, whether other components conflict after relocation, and the position relation between the three-dimensional information model and a subway station in the height direction is the key point of consideration. Models are modeled according to a real scale, and parts of traditional expressions which are omitted are displayed, so that some problems which are not seen but exist in a deep level are exposed.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention, and are all included in the scope of the present invention.
The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (5)
1. A subway station pipeline migration and change demonstration method based on a BIM technology is characterized by comprising the following steps:
establishing an undisturbed pipeline three-dimensional model by using Autodesk Revit software according to an underground undisturbed pipeline of the subway station;
establishing a post-migration and post-modification pipeline three-dimensional model by using Autodesk Revit software according to a post-migration and post-modification scheme of the pipeline;
marking pipelines of the same type in the undisturbed pipeline three-dimensional model and the migrated pipeline three-dimensional model;
leading the undisturbed pipeline three-dimensional model and the changed pipeline three-dimensional model into Sketchup software;
Drawing a subway station model in the Sketchup software, and selecting a datum point to integrate the undisturbed pipeline three-dimensional model, the pipeline three-dimensional model after the migration and the subway station model in the same space;
respectively establishing model layers for different types of pipelines in the undisturbed pipeline three-dimensional model and the migrated pipeline three-dimensional model, and independently establishing a model layer for the subway station model;
opening a model layer of the subway station model and a model layer of a pipeline of an undisturbed pipeline three-dimensional model to be demonstrated, and closing the rest model layers;
and opening a model layer of the pipeline of the migrated and modified pipeline three-dimensional model which is the same as the pipeline of the undisturbed pipeline three-dimensional model to be demonstrated, and comparing.
2. The BIM technology-based subway station pipeline relocation demonstration method according to claim 1, wherein said comparison comprises conflict comparison and position comparison.
3. The BIM technology-based subway station pipeline relocation demonstration method as claimed in claim 1, wherein the same type of pipeline is marked by giving the same color to the same type of pipeline, and different types of pipeline are given different colors.
4. The BIM technology-based subway station pipeline relocation demonstration method as claimed in claim 3, wherein in the step of establishing said model map layer, comprising:
simultaneously selecting the same type of pipelines in the undisturbed pipeline three-dimensional model, establishing a model layer, and repeating the operation until different model layers are respectively established for all different types of pipelines of the undisturbed pipeline three-dimensional model;
and simultaneously selecting the same type of pipelines in the moved and modified three-dimensional pipeline model, establishing model layers, and repeating the operation until different model layers are respectively established for all different types of pipelines of the moved and modified three-dimensional pipeline model.
5. The BIM technology-based subway station pipeline relocation demonstration method as claimed in claim 1, wherein said pipelines are divided into different types according to different materials, functions or positions.
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