CN104657510B - A kind of method and device that steel truss arched bridge rapid modeling is realized using BIM - Google Patents
A kind of method and device that steel truss arched bridge rapid modeling is realized using BIM Download PDFInfo
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Abstract
The present invention relates to bridge construction field, more particularly to a kind of method and device that steel truss arched bridge rapid modeling is realized using BIM.This method, including：The skeleton pattern of steel truss arched bridge is built according to the two-dimentional drawing of steel truss arched bridge；On skeleton pattern, the basic part of steel truss arched bridge is set using the BIM knowledge bases and tree-structured hierarchical built in advance；Basic part includes：The part that part that the main arch ring of steel truss arched bridge uses, the spandrel column of steel truss arched bridge use, and the part that the border pier of steel truss arched bridge, access bridge and skewback use；The incidence relation established by the functional parameter of each part between each part, obtain BIM models.The method and device that steel truss arched bridge rapid modeling is realized using BIM of the present invention, it is possible to increase the accuracy of the data provided for bridge construction.
Description
Technical field
The present invention relates to bridge construction field, and steel truss arched bridge rapid modeling is realized using BIM in particular to a kind of
Method and device.
Background technology
With the continuous development of bridge construction technology, Longspan Bridge is just with situation rapid emergence with rapid changepl. never-ending changes and improvements, and steel
Truss arched bridge is widely adopted because it has more preferable cross-domain ability than pre-stress concrete bridge.
The erection method of steel truss arched bridge has a variety of, the selection of its construction method, not only to consider type of bridge, span, width
The condition such as degree, the hydrology that bridge location is in, geology, landform, it is also contemplated that the factor such as traffic, equipment, duration and cost.
In correlation technique, the conventional method for setting up steel truss arched bridge is：According to the topography and geomorphology of bridge position to be established and
The functional requirement of bridge, design bridge drawing；Bridge is built on bridge position to be established according to bridge drawing afterwards.
In correlation technique, bridge drawing that designer designs is generally two-dimentional drawing, the length of various lines in drawing
Short, ratio etc. is manually set, it is easy to error in data is occurred, and is difficult to find in Bridge Design in the laid out flat of two-dimentional drawing
Error in data, it is difficult to provide accurate data for bridge construction and support, made troubles for bridge construction.
The content of the invention
In view of this, the purpose of the embodiment of the present invention is to provide a kind of realizes steel truss arched bridge rapid modeling using BIM
Method and device, by building steel truss arched bridge model, the verification to data in steel truss arched bridge is realized, is carried with rising to bridge construction
The accuracy of the data of confession.
In a first aspect, the embodiments of the invention provide a kind of method that steel truss arched bridge rapid modeling is realized using BIM, bag
Include：The skeleton pattern of the steel truss arched bridge is built according to the two-dimentional drawing of steel truss arched bridge；On the skeleton pattern, using advance
The BIM knowledge bases and tree-structured hierarchical of structure set the basic part of the steel truss arched bridge；The basic part includes：It is described
The part that part that the main arch ring of steel truss arched bridge uses, the spandrel column of the steel truss arched bridge use, and the steel truss arched bridge
The part that uses of border pier, access bridge and skewback；The incidence relation established by the functional parameter of each part between each part, is obtained
To BIM models.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the first of first aspect, wherein, root
The skeleton pattern of the steel truss arched bridge is built according to the two-dimentional drawing of steel truss arched bridge to be included：The steel is built according to the two-dimentional drawing
The bridge Overall data structure of truss arched bridge；Total skeleton pattern of the steel truss arched bridge is established according to the bridge Overall data structure
Type；Improve each sub- skeleton pattern one by one in total skeleton pattern.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of second of first aspect, wherein, root
Total skeleton pattern of the steel truss arched bridge is established according to the bridge Overall data structure to be included：According to the bridge conceptual data knot
Structure divides the control point of each part of total skeleton of the steel truss arched bridge；Establish the document template of section between each control point
Example, bridge tower document template example, suspension cable example, auxiliary pier and border pier example.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the third of first aspect, wherein,
Improving each sub- skeleton pattern one by one in total skeleton pattern includes：It is determined that the type of current sub- skeleton, the type of the sub- skeleton
Including：Upper bridge floor skeleton, horizontal-associate skeleton, bottom lateral bracing skeleton and main truss skeleton；When the type of the current sub- skeleton is upper bridge floor
During skeleton, determine that the element in model corresponding to the upper bridge floor skeleton includes：It is U ribs position line and U rib feature templates example, each
Crossbeam position line and each crossbeam feature templates example, floorings position line and floorings feature templates example；When the current son
When the type of skeleton is horizontal-associate skeleton, determine that the element in model corresponding to the horizontal-associate skeleton includes：The horizontal-associate skeleton
The position line and document template example of each rod member；When the type of the current sub- skeleton is bottom lateral bracing skeleton, determine it is described under
Element in model corresponding to lateral skeleton includes：The position line and document template example of each rod member of the bottom lateral bracing skeleton；
When the type of the current sub- skeleton is main truss skeleton, determine that the element in model corresponding to the main truss skeleton includes：Institute
State the position line and document template example of each rod member of main truss skeleton；According to the element structure of the determination current sub- skeleton
Corresponding model.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 4th of first aspect kind, wherein, institute
Stating BIM knowledge bases includes：The standard parts library that is associated with the construction of the steel truss arched bridge, bridge formwork storehouse, construction equipment storehouse, place
Arrange storehouse, technological process storehouse, manikin storehouse, external program script bank and standby resources storehouse；The structure side of the BIM knowledge bases
Formula is as follows：The depth of BIM models is set according to the project demand of the steel truss arched bridge；Set applied in the BIM models it is interior
Naming rule, sorting technique, data format, attribute information, version and the storage mode of appearance.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 5th of first aspect kind, wherein, lead to
Crossing the incidence relation that the functional parameter of each part is established between each part includes：Determined by the functional parameter of each part each
The crucial plane and key point of part composition；According to steel truss arched bridge described in the crucial plane of determination and the crucial point-rendering
Profile, wherein, the crucial plane of drafting and the file of the key point are stored in the bridge formwork of the BIM knowledge bases
In storehouse, each part is corresponding with a plate respectively.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 6th of first aspect kind, wherein, institute
Stating method also includes：Using CATIA secondary exploitation technologies, according to pre-defined cutting mode and spacing is cut by the BIM
Model cutting is multiple construction submodels.
Second aspect, the embodiment of the present invention additionally provide a kind of device that steel truss arched bridge rapid modeling is realized using BIM, bag
Include：Skeleton pattern establishes module, for building the skeleton pattern of the steel truss arched bridge according to the two-dimentional drawing of steel truss arched bridge；Substantially
Part setup module, in the skeleton pattern, institute to be set using the BIM knowledge bases and tree-structured hierarchical built in advance
State the basic part of steel truss arched bridge；The basic part includes：Part that the main arch ring of the steel truss arched bridge uses, the steel truss
The part that the spandrel column of arch bridge uses, and the part that the border pier of the steel truss arched bridge, access bridge and skewback use；BIM moulds
Type generation module, for the incidence relation established by the functional parameter of each part between each part, obtain BIM models.
With reference to second aspect, the embodiments of the invention provide the possible embodiment of the first of second aspect, wherein, bone
Frame model building module includes：Data structure construction unit, for building the bridge of the steel truss arched bridge according to the two-dimentional drawing
Beam Overall data structure；Total skeleton pattern establishes unit, encircles for establishing the steel truss according to the bridge Overall data structure
Total skeleton pattern of bridge；Sub- skeleton pattern establishes unit, for improving each sub- skeleton pattern one by one in total skeleton pattern.
With reference to second aspect, the embodiments of the invention provide the possible embodiment of second of second aspect, wherein, should
Device also includes：Cutting module, for using CATIA secondary exploitation technologies, according between pre-defined cutting mode and cutting
Away from being multiple construction submodels by the BIM model cuttings.
Steel truss arched bridge modeling method provided in an embodiment of the present invention, the BIM models of steel truss arched bridge are built according to two-dimentional drawing,
The BIM models can the three-dimensional incidence relation embodied between bridge data directly perceived, according to the incidence relation between bridge data
It was found that problem present in Bridge Design, so as to realize the verification to data in steel truss arched bridge, it is ensured that the accuracy of bridge data,
More accurate data are provided for steel truss arched bridge construction to support.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 shows the flow chart for the method for realizing steel truss arched bridge rapid modeling in the embodiment of the present invention using BIM；
Fig. 2 shows a kind of naming rule of data content in BIM knowledge bases in the embodiment of the present invention；
Fig. 3 shows the model structure schematic diagram of Zhong Na of embodiment of the present invention boundary rivers grand bridge；
Fig. 4 shows the thinking schematic diagram that steel truss arched bridge model is built in the embodiment of the present invention；
Fig. 5 shows the schematic diagram that the total skeleton pattern of bridge is established in the embodiment of the present invention；
Fig. 6 shows the schematic diagram that standard Segment Model is established in the embodiment of the present invention；
Fig. 7 shows the schematic diagram that arch ring standard section is established in the embodiment of the present invention；
Fig. 8 shows the schematic diagram of chord member model in the embodiment of the present invention；
Fig. 9 shows dash number structural representation in the embodiment of the present invention；
Figure 10 shows the effect diagram before model segmentation in the embodiment of the present invention；
Figure 11 shows the effect diagram after model segmentation in the embodiment of the present invention；
Figure 12 shows the structural representation for the device for realizing steel truss arched bridge rapid modeling in the embodiment of the present invention using BIM
Figure.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Generally exist
The component of the embodiment of the present invention described and illustrated in accompanying drawing can be configured to arrange and design with a variety of herein.Cause
This, the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention below
Scope, but it is merely representative of the selected embodiment of the present invention.Based on embodiments of the invention, those skilled in the art are not doing
The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
During existing steel truss arched bridge is built, provide data by two-dimentional drawing more and support, but in two-dimentional drawing, embody data and close
Length, the proportionate relationship of the line segment of system are manually set, if occurring mistake in the bridge data of design or relatively large deviation be present, it is difficult to
Intuitively embodied from two-dimentional drawing, so as to be made troubles for bridge construction.
In order to solve the above-mentioned technical problem, it is provided herein a kind of to realize that steel truss is encircleed using BIM BIM
The method of bridge rapid modeling, wherein BIM models be using every relevant information data of construction-engineering project as the basis of model,
By real information possessed by digital information analogue simulation building, therefore can intuitively be embodied by BIM models yet to be built
If bridge data incidence relation, data deviation present in Bridge Design is found in time, so as to being provided more for bridge construction
Supported for accurate data.
Based on above-mentioned thought, in the embodiment of the present invention using BIM realize steel truss arched bridge rapid modeling method it is main
Processing step, as shown in figure 1, including：
Step S11：The skeleton pattern of steel truss arched bridge is built according to the two-dimentional drawing of steel truss arched bridge.
In the application, when establishing the BIM models of steel truss arched bridge, skeleton idea about modeling is employed, when it is implemented, utilizing
The skeleton pattern of the two-dimentional drawing structure steel truss arched bridge for the steel truss arched bridge that design side provides.
When building the skeleton pattern of steel truss arched bridge according to two-dimentional drawing, first, steel truss arched bridge is built according to two-dimentional drawing
Bridge Overall data structure；Secondly, total skeleton pattern of steel truss arched bridge is established according to bridge Overall data structure；Afterwards, exist
Each sub- skeleton pattern is improved one by one in total skeleton pattern, thus establishes out the skeleton pattern of steel truss arched bridge.
It is made up of in view of steel truss arched bridge multiple parts, when building total skeleton pattern of steel truss arched bridge, based on bridge
Beam Overall data structure divides bridge various pieces, the total skeleton pattern built bridge afterwards based on the packet of each data division.
When it is implemented, when establishing total skeleton pattern of steel truss arched bridge according to bridge Overall data structure, according to bridge
The control point of each part of total skeleton of Overall data structure division steel truss arched bridge；Establish the text of section between each control point
Shelves template instances, bridge tower document template example, suspension cable example, auxiliary pier and border pier example.
It is therefore seen that the application is when establishing total skeleton pattern of steel truss arched bridge, by dividing the total skeleton of steel truss arched bridge
The control point of each part, the total skeleton of steel truss arched bridge is divided into multiple parts, by establishing section between control point
Data instance, be built into total skeleton of steel truss arched bridge.
When specifically building, the data instance solved between multiple control points can be established parallel, to improve the total bone of steel truss arched bridge
Frame model builds speed.
The concrete structure of steel truss arched bridge includes total skeleton pattern and more sub- skeleton patterns are built and complete the total of steel truss arched bridge
After skeleton pattern, after the completion of total skeleton pattern is built, each sub- skeleton pattern is improved one by one in total skeleton pattern.
When improving each sub- skeleton pattern one by one, first, it is determined that the type of current sub- skeleton, the type bag of sub- skeleton
Include：Upper bridge floor skeleton, horizontal-associate skeleton, bottom lateral bracing skeleton and main truss skeleton；
When the type of current sub- skeleton is upper bridge floor skeleton, it is determined that the element bag in model corresponding to upper bridge floor skeleton
Include：U ribs position line and U rib feature templates example, each crossbeam position line and each crossbeam feature templates example, floorings position line and
Floorings feature templates example；
When the type of current sub- skeleton is horizontal-associate skeleton, determine that the element in model corresponding to horizontal-associate skeleton includes：It is horizontal
Join the position line and document template example of each rod member of skeleton；
When the type of current sub- skeleton is bottom lateral bracing skeleton, the element bag in model corresponding to bottom lateral bracing skeleton is determined
Include：The position line and document template example of each rod member of bottom lateral bracing skeleton；
When the type of current sub- skeleton is main truss skeleton, determine that the element in model corresponding to main truss skeleton includes：It is main
The position line and document template example of each rod member of purlin skeleton；
Afterwards, currently model corresponding to sub- skeleton is built according to the element of determination, completed on total skeleton pattern, sub- skeleton pattern
The foundation of type.
After the foundation for completing steel truss arched bridge skeleton pattern, as shown in step S12, steel truss arched bridge is set on skeleton pattern
Basic part.
Step S12：On skeleton pattern, steel truss is set to encircle using the BIM knowledge bases and tree-structured hierarchical built in advance
The basic part of bridge.
Wherein, which kind of basic part includes on skeleton pattern：Part that the main arch ring of steel truss arched bridge uses, steel truss arch
The part that the spandrel column of bridge uses, and the part that the border pier of steel truss arched bridge, access bridge and skewback use.
In the application, BIM knowledge bases include：The standard parts library that is associated with the construction of steel truss arched bridge, bridge formwork storehouse, construction
Equipment library, Ground arrangement storehouse, technological process storehouse, manikin storehouse, external program script bank and standby resources storehouse；
The building mode of BIM knowledge bases is as follows：The depth of BIM models is set according to the project demand of steel truss arched bridge；Setting
Naming rule, sorting technique, data format, attribute information, version and the storage mode for the content applied in BIM models.
As shown in Figure 2 in BIM knowledge bases data content a kind of naming rule, in the specific naming rule, including four
Position item code, two project stage codes, two construction unit codes, two professional codes, eight thin portion structural codes, two
Position type code, release's code and suffix extension.
As the structure of BIM model basic objects, its depth should be consistent with the requirement of model depth, and BIM models are more traditional
Two-dimensional design higher is required to hardware system and storage capacity, it is higher that structure creates level of detail, a large amount of in project model
More hardware resource can be taken during introducing.Operating efficiency or increase enterprise hardware input are influenceed, and model depth is insufficient, then influences
The fineness and information content of project model, therefore, should according to as defined in requiring project delivery model depth grade, determine model
Depth, in order that Company Knowledge and different model depth files obtain good application and management, creating database turns into enterprise
The important step of industry BIM management.
Build the content of BIM knowledge bases reply model, depth, naming rule, sorting technique, data format, attribute information,
Version and storage mode etc. are managed, and the classification of structure and coding preferably embody in attribute is built.
Resources bank classification and coding is built using the standard and method for being adapted to enterprise itself, structure resources bank is the weight of enterprise
Want information assets, enterprise response BIM knowledge bases establish unified library management system, realize the establishment of knowledge base, collection, editor,
Effective management mode such as storage, use, abolishment.
To receive exemplified by the grand bridge of boundary river, the foundation of the BIM knowledge bases of the project, have accumulated related to steel truss arch bridge construction
5 kinds of storehouse type files such as standard parts library, ATL, equipment library, technology library, manikin storehouse, cumulative data entry 3024, number
According to amount up to G more than 2.
BIM knowledge bases can accumulate substantial amounts of base resource in implementation process in the present invention, and these resources can be formed can weight
The resource utilized again, while coordinate the good management mode of enterprise, BIM implementation cost will be greatly lowered, fully realize BIM
Efficiency Value caused by technology, enterprise can complete generalization to base resource, seriation, modularization, the system of standardization
Management, and safeguarded by continuation, BIM knowledge bases is turned into the information assets of enterprise, realize each professional in similar projects
Shared and multiplexing.
Step S13：The incidence relation established by the functional parameter of each part between each part, obtain BIM models.
In this step, the incidence relation established by the functional parameter of each part between each part includes：Pass through each zero
The functional parameter of part determines the crucial plane and key point of each part composition；According to the crucial plane of determination and the pass
The profile of steel truss arched bridge described in key point-rendering, wherein, the crucial plane of drafting and the file of the key point are stored in institute
In the bridge formwork storehouse for stating BIM knowledge bases, each part is corresponding with a plate respectively.
In the steel truss arched bridge modeling method of the present invention, in addition to：Using CATIA secondary exploitation technologies, according to fixed in advance
The BIM model cuttings are multiple construction submodels by the cutting mode and cutting spacing of justice.
, should present invention also offers a kind of embodiment for the method that steel truss arched bridge rapid modeling is realized using BIM
Illustrated in modeling method by receiving exemplified by the grand bridge of boundary river.
First, the skeleton pattern of boundary river grand bridge is received using two-dimentional drawing structure.
The skeleton pattern of boundary river grand bridge received is to provide two-dimentional drawing based on designing institute to carry out.
During specific implementation, 352 sets of electronic drawings make use of designing institute to provide altogether, wherein including 1043 paper drawings.
Structure, which receives the design cycle Integral Thought of boundary river grand bridge model, in the application includes：Thought using skeleton modeling
Think, tree-structured hierarchical management basic part, incidence relation is established by the parameter of issue between part.In application CATIA bone
During frame affiliated party science of law design Modular Bridge System, in order to meet change in design, model is quickly changed, clear effective bridge data group
Knit that structure is particularly important, different classes of bridge data structure differs again.
The model structure of boundary river grand bridge is received as Fig. 3 is shown, includes agent structure receiving the model of boundary river grand bridge
And accessory structure, wherein agent structure include superstructure and substructure, superstructure include bridge deck, main arch ring and
Spandrel column；Include border pier, access bridge and skewback in substructure；Accessory structure includes place, building, sidewalk and cable
Rope is hung.
Receive boundary river grand bridge main arch model method for building up, the main arch steel truss girder of boundary river grand bridge received is divided into N kind rod members,
Wherein main arch chord member N roots, montant N roots, diagonal web member N roots, top bracing rod member N roots, bottom lateral bracing N roots, horizontal-associate rod member N roots.Utilize
CATIA softwares export the statistical table of all kinds of rod members, including length, weight etc..
The method of bridge modeling is illustrated exemplified by the grand bridge structure of boundary river by receiving shown in Fig. 3 now, wherein building model
Thinking as shown in figure 4, including：
SS1：Establish bridge Overall data structure；
SS2：The sub- skeleton of part is established with reference to total skeleton；
SS3：Complete sub- framework main structural modeling；
SS4：Other section modelings are completed using sub- skeleton section has been completed.
When establishing the total skeleton pattern of bridge, as shown in figure 5, dividing the steel truss according to the bridge Overall data structure
The control point of each part of total skeleton of arch bridge；Establish document template example, the bridge tower document of section between each control point
Template instances, suspension cable example, auxiliary pier and border pier example.
As shown in fig. 6, the basic ideas for establishing standard Segment Model are shown by taking bridge standard section as an example：
Boundary river Bridge beam framework data are received by controlling each composition portion of the bridges such as bridge main body, bridge pier, suspension cable, bridge pier
Point anchor point drive design data.Each part has the sub- skeleton of oneself, so based on total skeleton, each son again
Skeleton association driving.By taking the bridge subsection skeleton under bridge main body structure as an example, Z-direction is straight up all the time, it is only necessary to
Section starting point and section end point just can determine that the specific locus in section as control element, then by the two points and
Z axis establishes a three-dimensional coordinate system, then establishes bridge floor framework on section, horizontal-associate skeleton, bottom lateral bracing skeleton, main truss bone
The sub- skeleton such as frame and model, it is associated with gross rate to be finally reached the sub- skeleton of each part.During data change, model can be with
Shi Jinhang is quickly changed.Specific modeling method and flow are as follows：
(1) the total skeleton of full-bridge is built.The control point of each part of the total skeleton of bridge main arch ring is initially set up, passes through correlation
Calculating and catenary equation `z`=` rises `/(` arch axis coefficient `-1) * (cosh (`k`*`x`) -1), bring related data into and write
Enter catia knowledge engineering array and debugging code.Using frame design method, top-bottom chord center line, web member center line are utilized
And positioning of the lateral center line as model, shaped skeleton, it is finally completed the foundation of full-bridge skeleton.
(2) arch ring standard section is established, as shown in fig. 7, standard section and non-standard section can be divided into, for standard section
For, it is only necessary to a standard section is done, document template is then made in standard section, then example is carried out to other standards section
Change, the standard section of foundation need to build the standard document template of every composition rod member.For nonstandard section, it is necessary to each nonstandard section
Section is instantiated after modifying on total skeleton.
By taking lower boom as an example, as shown in figure 8, size is formed and controlled according to chord member section, chord member template is divided into top and compiled
Number 1., middle part numbering 2., bottom numbering 3.；5., 6. web member is numbered.
(a) data structure and name are respectively placed in different dresses essentially according to plate present position, effect and its relevance
With in file；As shown in figure 9, dash number can use the form of prefix+section number+suffix, and after being parameterized and being easy to
Changed when phase and instantiation.
(b) skeletal extraction is chosen each rod member center line and relevant control point on the basis of to single Segmental Analysis and is used as and changes
The skeleton and template input element of section；
The crucial plane and point of analysis and Control model on this basis, so draw profile, for the ease of the later stage modification and
Emulation is needed, and all control planes and sketch are drawn in skeleton file, each individually each plate of element storage part.
(c) document template is created and instantiated
By desk checking [software] file association adduction relationship, dash number control parameter and rod member control size ginseng are issued afterwards
Number, section number and associated control parameters need to be only changed during instantiation, complete lower boom model creation.
It is completely inconsistent, it is necessary to will will design with the model granularity and level of detail of construction model due to designing a model
Model cutting is single concrete block, and basic data is provided for the simulating, verifying in later stage and accurate calculation amount so as to convenient, efficient.
This project entity fly-cutting technology by CATIA secondary exploitation technology customized developments, can be self-defined a variety of
Cutting mode and cutting spacing to it is quick, accurately continuous beam etc. is designed a model be automatically syncopated as construct BIM models, carry significantly
The efficiency that high result of design is changed to construction model.
As Figure 10 show segmentation before modelling effect schematic diagram, Figure 11 is shown to be automatically syncopated as applying by Continuous Beam Model
The effect diagram of work BIM models, improve the efficiency that result of design is changed to construction model.
Corresponding to the above-mentioned method that steel truss rapid modeling is realized using BIM, the embodiment of the present invention additionally provides a kind of utilization
BIM realizes the device of steel truss arched bridge rapid modeling, the device shown in Figure 12 that steel truss arched bridge rapid modeling is realized using BIM
Structured flowchart, the device include with lower module：
Skeleton pattern establishes module 31, for building the skeleton pattern of steel truss arched bridge according to the two-dimentional drawing of steel truss arched bridge；
Basic part setup module 32, in skeleton pattern, using the BIM knowledge bases and tree structure built in advance
Layering sets the basic part of steel truss arched bridge；Basic part includes：Part that the main arch ring of steel truss arched bridge uses, steel truss arched bridge
The part that spandrel column uses, and the part that the border pier of steel truss arched bridge, access bridge and skewback use；
BIM models generation module 33, for the incidence relation established by the functional parameter of each part between each part, is obtained
To BIM models.
Include when it is implemented, skeleton pattern establishes module：Data structure construction unit, for being built according to two-dimentional drawing
The bridge Overall data structure of steel truss arched bridge；Total skeleton pattern establishes unit, for establishing steel according to bridge Overall data structure
Total skeleton pattern of truss arched bridge；Sub- skeleton pattern establishes unit, for improving each sub- skeleton pattern one by one in total skeleton pattern
Type.
Also include in the device that steel truss arched bridge rapid modeling is realized using BIM of the embodiment of the present invention：Cutting module, it is used for
By BIM model cuttings it is multiple constructions according to pre-defined cutting mode and cutting spacing using CATIA secondary exploitation technologies
Submodel.
The device that the embodiment of the present invention is provided, its realization principle and caused technique effect and preceding method embodiment phase
Together, to briefly describe, device embodiment part does not refer to part, refers to corresponding contents in preceding method embodiment.
Flow chart and block diagram in accompanying drawing show system, method and the computer journey of multiple embodiments according to the present invention
Architectural framework in the cards, function and the operation of sequence product.At this point, each square frame in flow chart or block diagram can generation
The part of one module of table, program segment or code, a part for module, program segment or code include one or more be used in fact
The executable instruction of logic function as defined in existing.It should also be noted that marked at some as in the realization replaced in square frame
Function can also be with different from the order marked in accompanying drawing generation.For example, two continuous square frames can essentially substantially simultaneously
Perform capablely, they can also be performed in the opposite order sometimes, and this is depending on involved function.It is also noted that frame
The combination of figure and/or each square frame and block diagram in flow chart and/or the square frame in flow chart, it can use as defined in performing
Function or the special hardware based system of action realize, or can with the combination of specialized hardware and computer instruction come
Realize.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, can be with
Realize by another way.Device embodiment described above is only schematical, for example, the division of unit, only
For a kind of division of logic function, there can be other dividing mode when actually realizing, in another example, multiple units or component can be tied
Another system is closed or is desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or discussed
Mutual coupling or direct-coupling or communication connection can be the INDIRECT COUPLINGs by some communication interfaces, device or unit
Or communication connection, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, be shown as unit
Part can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple networks
On unit.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.
If function is realized in the form of SFU software functional unit and as independent production marketing or in use, can stored
In a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words to existing
The part for having part that technology contributes or the technical scheme can be embodied in the form of software product, the computer
Software product is stored in a storage medium, including some instructions are make it that a computer equipment (can be personal meter
Calculation machine, server, or network equipment etc.) perform all or part of step of each embodiment method of the present invention.It is and foregoing
Storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), random access memory
(RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
- A kind of 1. method that steel truss arched bridge rapid modeling is realized using BIM, it is characterised in that including：The skeleton pattern of the steel truss arched bridge is built according to the two-dimentional drawing of steel truss arched bridge；On the skeleton pattern, the steel truss arched bridge is set using the BIM knowledge bases and tree-structured hierarchical built in advance Basic part；The basic part includes：Stood on part that the main arch ring of the steel truss arched bridge uses, the arch of the steel truss arched bridge The part that post uses, and the part that the border pier of the steel truss arched bridge, access bridge and skewback use；The incidence relation established by the functional parameter of each part between each part, obtain BIM models.
- 2. according to the method for claim 1, it is characterised in that the steel truss is built according to the two-dimentional drawing of steel truss arched bridge and encircleed The skeleton pattern of bridge includes：The bridge Overall data structure of the steel truss arched bridge is built according to the two-dimentional drawing；Total skeleton pattern of the steel truss arched bridge is established according to the bridge Overall data structure；Improve each sub- skeleton pattern one by one in total skeleton pattern.
- 3. according to the method for claim 2, it is characterised in that the steel truss is established according to the bridge Overall data structure Total skeleton pattern of arch bridge includes：The control point of each part of total skeleton of the steel truss arched bridge is divided according to the bridge Overall data structure；Establish document template example, bridge tower document template example, suspension cable example, auxiliary pier and the friendship of section between each control point Boundary's pier example.
- 4. according to the method for claim 2, it is characterised in that improve each sub- skeleton pattern one by one in total skeleton pattern Including：It is determined that the type of current sub- skeleton, the type of the sub- skeleton include：Upper bridge floor skeleton, horizontal-associate skeleton, bottom lateral bracing skeleton With main truss skeleton；When the type of the current sub- skeleton is upper bridge floor skeleton, the element in model corresponding to the upper bridge floor skeleton is determined Including：U ribs position line and U rib feature templates example, each crossbeam position line and each crossbeam feature templates example, floorings position line With floorings feature templates example；When the type of the current sub- skeleton is horizontal-associate skeleton, the element bag in model corresponding to the horizontal-associate skeleton is determined Include：The position line and document template example of each rod member of the horizontal-associate skeleton；When the type of the current sub- skeleton is bottom lateral bracing skeleton, the element in model corresponding to the bottom lateral bracing skeleton is determined Including：The position line and document template example of each rod member of the bottom lateral bracing skeleton；When the type of the current sub- skeleton is main truss skeleton, the element bag in model corresponding to the main truss skeleton is determined Include：The position line and document template example of each rod member of the main truss skeleton；According to model corresponding to the element structure of the determination current sub- skeleton.
- 5. according to the method for claim 1, it is characterised in that the BIM knowledge bases include：With applying for the steel truss arched bridge The standard parts library of work association, bridge formwork storehouse, construction equipment storehouse, Ground arrangement storehouse, technological process storehouse, manikin storehouse, outside Procedure script storehouse and standby resources storehouse；The building mode of the BIM knowledge bases is as follows：The depth of BIM models is set according to the project demand of the steel truss arched bridge； Set naming rule, sorting technique, data format, attribute information, version and the storage side for the content applied in the BIM models Formula.
- 6. according to the method for claim 1, it is characterised in that established by the functional parameter of each part between each part Incidence relation includes：The crucial plane and key point of each part composition are determined by the functional parameter of each part；According to the profile of steel truss arched bridge described in the crucial plane of determination and the crucial point-rendering, wherein, drafting it is described The file of crucial plane and the key point is stored in the bridge formwork storehouse of the BIM knowledge bases, and each part corresponds to respectively There is a plate.
- 7. method according to any one of claim 1 to 6, it is characterised in that methods described also includes：Using CATIA secondary exploitation technologies, it is by the BIM model cuttings according to pre-defined cutting mode and cutting spacing Multiple construction submodels.
- A kind of 8. device that steel truss arched bridge rapid modeling is realized using BIM, it is characterised in that including：Skeleton pattern establishes module, for building the skeleton pattern of the steel truss arched bridge according to the two-dimentional drawing of steel truss arched bridge；Basic part setup module, in the skeleton pattern, using the BIM knowledge bases and tree structure built in advance point Layer sets the basic part of the steel truss arched bridge；The basic part includes：Part that the main arch ring of the steel truss arched bridge uses, The part that the spandrel column of the steel truss arched bridge uses, and the border pier of the steel truss arched bridge, access bridge and skewback use zero Part；BIM model generation modules, for the incidence relation established by the functional parameter of each part between each part, obtain BIM Model.
- 9. device according to claim 8, it is characterised in that skeleton pattern, which establishes module, to be included：Data structure construction unit, for building the bridge Overall data structure of the steel truss arched bridge according to the two-dimentional drawing；Total skeleton pattern establishes unit, for establishing total skeleton pattern of the steel truss arched bridge according to the bridge Overall data structure Type；Sub- skeleton pattern establishes unit, for improving each sub- skeleton pattern one by one in total skeleton pattern.
- 10. device according to claim 8 or claim 9, it is characterised in that described device also includes：Cutting module, for using CATIA secondary exploitation technologies, according to pre-defined cutting mode and cutting spacing by described in BIM model cuttings are multiple construction submodels.
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