CN104156544A - Automatic beam and column steel bar joint arranging and constructing simulation method based on BIM technology - Google Patents
Automatic beam and column steel bar joint arranging and constructing simulation method based on BIM technology Download PDFInfo
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- CN104156544A CN104156544A CN201410432811.9A CN201410432811A CN104156544A CN 104156544 A CN104156544 A CN 104156544A CN 201410432811 A CN201410432811 A CN 201410432811A CN 104156544 A CN104156544 A CN 104156544A
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Abstract
The invention relates to an automatic beam and column steel bar joint arranging and constructing simulation method based on a BIM technology. The automatic beam and column steel bar joint arranging and constructing simulation method based on the BIM technology comprises the following steps that three-dimensional beam and column steel bars are formed and arranged by using a preset three-dimensional steel bar joint arranging module in RevitStructure software according to a CAD beam and column structure detail drawing; the arranged three-dimensional beam and column steel bars are freely combined and detached according to construction field situations, components are numbered according to construction procedures, and corresponding construction procedure flow simulation is generated; the arranged three-dimensional beam and column steel bars are transformed into a CAD two-dimensional diagram, and the components are machined according to the CAD two-dimensional diagram; and field construction is guided in a construction field according to the CAD two-dimensional diagram and steel bar construction procedure flow simulation. According to the automatic beam and column steel bar joint arranging and constructing simulation method based on the BIM technology, the deepening time of beam and column steel bar joints is shortened, engineering cost is saved, and workloads are reduced.
Description
Technical field
The invention belongs to building structure beam column node construction technical field, be specifically related to a kind of beam column reinforcing bar node based on BIM technology and automatically arrange and method for analog construction.
Background technology
The two-dimentional drawing in-depth that conventional two-dimentional beam column reinforcing bar complex node is provided according to designing institute, cannot clearly the information data of node be shown, need to enrich by having the chief engineer of construction experience, reinforcing bar section chief the carries out space imagination according to experience, complete deepen drawing, inefficiency, especially, during for large amount of complex reinforcing bar node, reinforcing bar is particularly outstanding with being connected of reinforced concrete column, beam.In implementation process, because space imagination difficulty is large, need to consume a large amount of manpowers and just can deal with problems, some errors cannot be avoided completely simultaneously.Adopt after general 3-D technology, efficiency promotes to some extent.When particularly in engineering, complex node is more, the cycle of having adjusted a node is very long, and a people approximately needs the time of one week, just can deepen a node, and the long in-depth cycle will be caused significant impact to project progress.
Scene is the traditional C AD two dimension drawings that adopt also more, traditional C AD two dimension drawing Complicated Steel muscles and joints-vital links in a speech point is difficult to performance, and sectional view and planimetric map there are differences in subproblem, and sectional view is expressed not comprehensive, rely on separately two-dimentional drawing, rely on technician's experience difficulty of construction large.
Adopt conventional 3-D technology to deepen node, the main BIM software that relies on application is that Revit Structure and wide connection reach reinforcing bar calculation amount (sampling) two software.The advantage of Revit Structure software is that after modeling, collision detection is easy to adjust, but in the process of cloth muscle, needs manual calculations adjustment, not too intelligence.And wide connection reaches reinforcing bar calculation amount (sampling) software can identify modeling on the basis of CAD drawing, software can generate cloth muscle scheme and curved anchor form automatically, but once model foundation cannot be revised, occurs that collision situation cannot adjust.
At present, there are some three-dimensional arrangement of reinforcement instruments based on Revit Structure market, for example, and the rich arrangement of reinforcement plug-in unit of Revit speed.But these instruments are all to carry out exemplary configurations for common, standard form structural elements, the interference and collision problem of laying equal stress between an inspection reinforcing bar.Multiple stirrup reinforcing bar cross section layout and interference checking for reinforced concrete column Nodes structural elements still do not have special tool software.
Summary of the invention
The object of the invention is to solve the problems of the technologies described above and provide a kind of beam column reinforcing bar node based on BIM technology automatically to arrange and method for analog construction.
For achieving the above object, the present invention adopts following technical scheme:
Beam column reinforcing bar node based on BIM technology is automatically arranged and a method for analog construction, is adopted following steps:
According to CAD beam column construction detail drawing, in Revit Structure software, arrange module with preset three-dimensional reinforcing bar node, form three-dimensional beam column reinforcing bar and arrange; Specifically comprise following content:
1) create the three-dimensional beam column reinforcing bar consistent with information, the shape of described CAD pel according to CAD pel;
2), according to preset anchor calculating rule, control the main muscle anchorage length of generating three-dimensional post beam steel;
3) judge the main muscle location of three-dimensional post beam steel by man-machine interaction mode, control hook-type and crotch direction;
4) the three-dimensional post beam steel of inclination concrete rectangular structural column is arranged;
5) the three-dimensional post beam steel of height concrete rectangular Vierendeel girder is arranged;
6) parameter information that comprises concrete grade, buildings tenure of use, reinforcing bar environment of selecting according to user, the concrete cover numerical value of main structure body in generating three-dimensional post beam steel, during the establishment that is applied to three-dimensional post beam steel is calculated;
7) whether should dodge reinforced concrete column according to rule to the main muscle of three-dimensional of Nodes structural elements in described three-dimensional post beam steel processes;
8) in three-dimensional post beam steel, detect the collision problem of collision, reinforcing bar and the Nodes reinforced concrete column of reinforcing bar and reinforcing bar according to building code, according to the result of collision detection, adjust, revise bar spacing and position;
Two, to confirming that the three-dimensional post beam steel arranging, according to working-yard situation independent assortment, fractionation, carries out member the numbering of working procedure, generate corresponding working procedure flowsheeting;
Three, the three-dimensional post beam steel conversion of confirming to arrange is output as to CAD X-Y scheme, according to this X-Y scheme tool member;
Four, according to this X-Y scheme and the simulation of reinforcement construction process flow, guide field construction at the construction field (site).
Dodge described reinforced concrete column edge of a wing place at the main muscle of described three-dimensional, add bracket or sleeve according to building specification and specification.
When the three-dimensional post beam steel of described inclination concrete rectangular structural column is arranged, control in the following manner reinforcing bar and create position and create direction:
Find four cylinders of concrete rectangular structural column, get the direction vector of four cylinders and the direction vector of post center line, by the direction vector of four cylinders and the direction vector of post center line, control reinforcing bar and create position and create direction.
When the three-dimensional post beam steel of described height concrete rectangular Vierendeel girder is arranged, control in the following manner reinforcing bar and create position and create direction:
Find four cylinders of described variable section, get the direction vector of four cylinders and the direction vector of post center line, by the direction vector of four cylinders and the direction vector of center line, control reinforcing bar and create position and create direction.
Describedly whether should dodge reinforced concrete column according to rule to the main muscle of three-dimensional of Nodes structural elements in described three-dimensional post beam steel model and process in the following way:
Obtain the face set of this reinforced concrete column geometric model, calculate the center line that creates main muscle, carry out crossing processing with described set with this center line, obtain each the some set crossing with described reinforced concrete column of this center line, by the information of point, judge intersection location, judge accordingly whether reinforcing bar should dodge reinforced concrete column.
When the collision problem of collision, reinforcing bar and the Nodes reinforced concrete column of described detection reinforcing bar and reinforcing bar in the following ways:
Obtain center line and the diameter of reinforcing bar, create an entity object identical with reinforcing bar profile by the method that creates stretching entity, collide with described entity object and other entity object or Nodes reinforced concrete column, to detect the collision problem of collision, reinforcing bar and Nodes reinforced concrete column of reinforcing bar and reinforcing bar.
When detect the collision problem of collision, reinforcing bar and Nodes reinforced concrete column of reinforcing bar and reinforcing bar according to building code, amplify and carry out bright aobvious by the conflict object of selection is mated.
The inventive method is by above technical scheme, complicated beam column reinforcing bar node can be carried out to automatic arrangement of reinforcement, after completing, in 3-D view, carry out manual amendment, represent by three-dimensional model form, observe and carry out arbitrarily the intercepting of section from any direction, derive two-dimentional CAD drawing, the bore position of reinforced concrete column is accurately located, reinforcement installation is carried out to construction simulation checking Practical Project operating environment and whether meet mounting condition, kind form to stirrup arranges automatically, fully engineering demands, use this BIM technology, the node time of deepening is shortened greatly, save engineering cost, reduce workload.
Brief description of the drawings
Figure 1 shows that beam column reinforcing bar node that the embodiment of the present invention provides arranges and the process flow diagram of method for analog construction automatically;
Figure 2 shows that three-dimensional beam column reinforcing bar node arranges the system architecture diagram of module automatically;
The software interface schematic diagram that Fig. 3 ~ 4 beam column reinforcing bar provided by the invention node is arranged automatically;
Figure 5 shows that the schematic flow sheet that creates three-dimensional beam column main rib;
Figure 6 shows that the schematic flow sheet that creates three-dimensional beam-column hooping;
Figure 7 shows that the schematic flow sheet that creates three-dimensional beam column reinforcing bar;
Figure 8 shows that the schematic flow sheet of collision collision detection.
Embodiment
Below, in conjunction with example, substantive distinguishing features of the present invention and advantage are further described, but the present invention is not limited to listed embodiment.
Refer to shown in Fig. 1 ~ 3, a kind of beam column reinforcing bar node based on BIM technology is automatically arranged and method for analog construction, is adopted following steps:
One, according to CAD beam column construction detail drawing, in Revit Structure software, arrange module with preset three-dimensional reinforcing bar node, form three-dimensional beam column reinforcing bar and arrange; Specifically comprise following content;
1), in Revit Structure software, create the three-dimensional beam column reinforcing bar consistent with information, the shape of described CAD pel and arrange according to CAD pel;
When specific implementation, in Revit Structure software, arrange that by preset three-dimensional reinforcing bar node module (software package program) reads the CAD primitive information of importing, whether the CAD primitive information that program is obtained automatic decision meets current demand, if met, CAD primitive information is converted to the discernible graphics shape of program, input some call parameters that create reinforcing bar user, as anchoring, reinforcing bar model etc., the layout type of this shape reinforcing bar, Revit Structure software can automatically create the three-dimensional reinforcing bar object consistent with this CAD primitive information and arrange,
When specific implementation, mainly by picking up cross section CAD reinforcing bar detail drawing, realize arrangement of reinforcement, the reinforcing bar of difformity and placement rule in CAD detail drawing, need pick up respectively: pick up the cad model line in Revit, create main muscle and stirrup in structural beams, post, according to the shape of stirrup model line, input reinforcement parameter, automatically creates and generates similar three-dimensional stirrup; According to the location, the center of circle of main muscle model line, input reinforcement parameter, automatically creates the main muscle of single or multiple three-dimensionals, thereby has accelerated arrangement of reinforcement efficiency;
It should be noted that, in the embodiment of the present invention, described three-dimensional beam column rebar model comprises three-dimensional beam steel, three-dimensional post reinforcing bar, and beam steel is divided into again orthogonal beams members reinforcing bar and cant beam reinforcing bar.Described three-dimensional post reinforcing bar comprises the main muscle of post and column tie-bar, and described three-dimensional beam steel comprises beam main tendon and beam stirrup.In the time carrying out three-dimensional post reinforcing bar establishment, can first create the main muscle of post, and then establishment column tie-bar, last generating three-dimensional post reinforcing bar, simultaneously, in the time carrying out three-dimensional beam steel establishment, can first create beam main tendon, and then establishment beam stirrup, last generating three-dimensional beam steel, finally forms three-dimensional beam column reinforcing bar, shown in Fig. 3 is the three-dimensional reinforcing bar that the creates interface that arranges at the signal of software interface and software, shown in Fig. 4 is in the time of arrangement of reinforcement, to arrange interface schematic diagram, and for master parameter, stirrup parameter etc. are set, concrete visioning procedure is shown in shown in Fig. 2 ~ 7:
Shown in Figure 5, in the time creating main muscle, first select the CAD pel set of importing, directly move three-dimensional reinforcing bar node and arrange that the main muscle of module creates order, whether module detects CAD pel automatically legal, the legal CAD primitive information of extracting, and further judge that whether the reinforcing bar main body of selecting is legal, the legal reconnaissance mode of selecting, main muscle parameter is set, can directly create main muscle, if judge illegally, finish;
Shown in Figure 6, in the time creating post beam stirrup, first click and create post, beam stirrup order, selection need to be arranged the main structure body of reinforcing bar, select corresponding CAD stirrup figure layer, the drawing order of the selected CAD stirrup of module automatic decision figure layer, and bright aobvious first and last root straight-line segment, whether meet stirrup drawing order by man-machine interaction mode artificial judgment, meet and enter stirrup parameter interface input correlation parameter, module is according to parameter generating three-dimensional stirrup, if do not met, the sequential pick-up CAD line segment that manually follow procedure requires, then enter stirrup parameter interface input correlation parameter, by module according to parameter generating three-dimensional stirrup,
Shown in Figure 7, in the time creating post beam steel, directly the preset three-dimensional reinforcing bar node of operation is arranged establishment post or the beam steel order of module, input correlation parameter, select reinforcing bar main body (post or beam), and detect main body (post or beam) correctness, correct directly automatic according to the parameter establishment reinforcing bar of inputting, otherwise finish, return to last layer and proceed;
2) according to being preset in the anchor calculating rule in described Revit Structure software, control the main muscle anchorage length of generating three-dimensional beam column reinforcing bar;
By agent structure setup of attribute, realizing automatic anchorage length arranges, specific implementation is, according to the code requirement of industry, the calculating parameter of anchoring to be tied in program, user has selected after different parameters, carry out computing formula, can get the anchorage length of main muscle, wherein, system adopts the separately mode of design of upper and lower anchoring, thus length that can the upper and lower anchoring of efficient, flexible adjustment;
In the plug-in unit interface of software, as shown in Figure 3, comprise " agent structure attribute " this option, according to true condition of construction, input the parameters such as corresponding concrete grade, tenure of use, reinforcing bar environment and anchoring correction factor, can realize the automatic anchorage length of cover to reinforcement calculating and the main muscle of structural column and arrange;
3) judge the main muscle location of three-dimensional beam column reinforcing bar by man-machine interaction mode, control hook-type and crotch direction;
Be not what fix owing to placing the placement in model environment of the agent object of reinforcing bar, for program identifying information accurately, need to determine by client the position relationship of the main surface of main muscle, arrange by reinforcement parameter, can correct establishment go out the direction of main muscle crotch by position relationship, can carry out the setting of crotch direction and crotch-shaped to the main muscle of different sides in structural beams, post, to meet the demand of true construction;
4) the three-dimensional post beam steel of inclination concrete rectangular structural column is arranged;
In the present invention, when the three-dimensional post beam steel of described inclination concrete rectangular structural column is arranged, control in the following manner reinforcing bar and create position and create direction:
Find four cylinders of concrete rectangular structural column, get the direction vector of four cylinders and the direction vector of post center line, because post centerline direction vector determines the center line of main muscle and the establishment direction of stirrup, the direction vector of face is the carvel built vector of reinforcing bar while creating main muscle, therefore, by the direction vector of four cylinders and the direction vector of post center line, can control well reinforcing bar and create position and create direction;
5) the three-dimensional post beam steel of height concrete rectangular Vierendeel girder is arranged;
In the present invention, when the three-dimensional post beam steel of described height concrete rectangular Vierendeel girder is arranged, control in the following manner reinforcing bar and create position and create direction:
Find four cylinders of described variable section, get the direction vector of four cylinders and the direction vector of post center line, because post centerline direction vector determines the center line of main muscle and the establishment direction of stirrup, the direction vector of face is the carvel built vector of reinforcing bar while creating main muscle, therefore, by the direction vector of four cylinders and the direction vector of center line, can control well reinforcing bar and create position and create direction;
6) parameter information that comprises concrete grade, buildings tenure of use, reinforcing bar environment of selecting according to user, the concrete cover numerical value of main structure body in generating three-dimensional post beam steel, and during the establishment that is applied to three-dimensional post beam steel calculates;
The parameters such as this concrete grade, tenure of use, reinforcing bar environment are in advance in the middle of write-in program, in the time that user has selected different Parameter Conditions, protective layer thickness under the condition that these parameters of program meeting automatic decision all meet, and the one-tenth-value thickness 1/10 of protective seam is applied in and is created in the middle of calculating, realize reinforcing bar location;
7), according to the rule of reinforcement construction, to Nodes in described three-dimensional beam column reinforcing bar, whether the main muscle of three-dimensional of structural elements should dodge reinforced concrete column is processed;
Further, in the present invention, for stiffness structure, dodge described reinforced concrete column edge of a wing place at the main muscle of described three-dimensional, add bracket or sleeve according to building specification and specification.
8) in three-dimensional beam column reinforcing bar, detect the collision problem of collision, reinforcing bar and the Nodes reinforced concrete column of reinforcing bar and reinforcing bar according to building code, according to the result of collision detection, adjust, revise bar spacing and position; Include between the reinforcing bar of structural beams, post, interference inspection between reinforcing bar and reinforcing bar;
In Revit, by picking up multiple objects (reinforcing bar main body-concrete frame beam in node, post, and reinforced concrete column etc.), determine detected object (reinforcing bar in main body, reinforcing bar etc.), then program detects interference position automatically, and will be disturbed member in the environment of Revit, show in bright aobvious mode, and can realize the title that extracts interference member, type, the information such as ID numbering, data are derived and stored in text mode by certain form, by the reinforcing bar of this above-mentioned layout module arrangement, according to interfering report, can realize manual single reinforcing bar independently adjusts,
Concrete collision detection flow process, shown in Figure 8, first selection needs the object detecting, and the object set of selecting is detected, after detection confirmation is no problem, click the collision detection order in operating software, automatically carry out collision detection, and eject dialog box, detecting complete click exits and closes-finish, and can click and derive report, be stored in local memory device, complete the derivation of conflict collision report.
Two, to confirm three-dimensional beam column rebar model according to working-yard situation independent assortment, fractionation, member is carried out to the numbering of working procedure, generate corresponding working procedure flowsheeting;
Three, the three-dimensional beam column rebar model conversion of confirming is output as to CAD X-Y scheme, according to this X-Y scheme tool member;
Four, according to this X-Y scheme and the simulation of reinforcement construction process flow, guide field construction at the construction field (site).
It should be noted that, the three-dimensional reinforcing bar node of the present invention arranges that the arrangement of module has elongated and non-elongated two kinds: in elongated situation, the main muscle in post reinforcing bar both sides converges to structural column center; In non-elongated situation, main muscle stops anchoring to structural column main body protective seam, reduces the unnecessary collision problem of reinforcing bar node with this.
It should be noted that, when the arrangement of reinforcement of typical members, as the member such as concrete frame beam, post in standard reinforcing bar cross section, arranging in module interface, select this structural beams, post, module ejects parameter of regularity window, and in instrument, typical section and the reinforcing bar in can the multiple reinforcing bar specification of predefine distributes, cipher mode, when user uses, can directly call, then input some reinforcing bar correlation parameters, the function of the arrangement of reinforcement in implementation structure beam, post.
In the present invention, describedly whether should dodge reinforced concrete column according to rule to the main muscle of three-dimensional of Nodes structural elements in described three-dimensional beam column rebar model and process in the following way:
Obtain the face set of this reinforced concrete column geometric model, calculate the center line that creates main muscle, carry out crossing processing with described set with this center line, obtain each the some set crossing with described reinforced concrete column of this center line, by the information of point, judge intersection location, judge accordingly whether reinforcing bar should dodge reinforced concrete column.
In the present invention, when the collision problem of the collision of described detection reinforcing bar and reinforcing bar, reinforcing bar and Nodes reinforced concrete column in the following ways:
Obtain center line and the diameter of reinforcing bar, create an entity object identical with reinforcing bar profile by the method that creates stretching entity, collide with described entity object and other entity object or Nodes reinforced concrete column, to detect the collision problem of collision, reinforcing bar and Nodes reinforced concrete column of reinforcing bar and reinforcing bar, if collision, obtain the information after collision, and information is saved in data list and generates and report.
Further, in the present invention, when detect the collision problem of collision, reinforcing bar and Nodes reinforced concrete column of reinforcing bar and reinforcing bar according to building code, amplify and carry out bright aobvious by the conflict object of selection is mated.Like this, conveniently edit, amendment is processed.
When specific implementation, can after the selected object of collision detection interface, in Revit, mate and amplify and carry out bright aobvious, editor, choose a conflict combination, find corresponding object by object ID number, by automatic zoom function and the Shade Selected function of Revit, the object composition of collision can be zoomed to optimal visibility window bright aobvious.
Further, in the present invention, in three-dimensional beam column rebar model generative process, can whether meet related specifications by automatic Verification X-Y scheme, and enter to point out by ejecting the modes such as dialog box defective.
The present invention can realize by software programming, in software, input relevant parameter by user, automatically generating three-dimensional body model, and automatically dodge the reinforced concrete column edge of a wing, automatically interfere collision detection, generate collision report according to technical regulation, and adopt the mode of man-machine interaction in 3-D view, the bean column node generating to be adjusted, the final three-dimensional body model that meets code requirement that forms, can realize the flowsheeting of working procedure simultaneously, carry out after member adds according to the CAD X-Y scheme of output, again according to CAD X-Y scheme, the guide field construction at the construction field (site) of the flowsheeting of working procedure, greatly improve work production efficiency.
The inventive method can realize three-dimensional model form and represent, observe and carry out arbitrarily the intercepting of section from any direction, can accurately locate the bore position of reinforced concrete column, can verify whether Practical Project operating environment meets mounting condition by construction simulation, the kind form of stirrup is arranged automatically, fully engineering demands, use this BIM technology simultaneously, node is deepened to time shorten, save engineering cost, reduce workload.
Claims (7)
1. the beam column reinforcing bar node based on BIM technology is arranged and a method for analog construction automatically, it is characterized in that, adopts following steps:
One, according to CAD beam column construction detail drawing, in Revit Structure software, arrange module with preset three-dimensional reinforcing bar node, form three-dimensional beam column reinforcing bar and arrange; Specifically comprise following content:
1) create the three-dimensional beam column reinforcing bar consistent with information, the shape of described CAD pel according to CAD pel;
2), according to preset anchor calculating rule, control the main muscle anchorage length of generating three-dimensional post beam steel;
3) judge the main muscle location of three-dimensional post beam steel by man-machine interaction mode, control hook-type and crotch direction;
4) the three-dimensional post beam steel of inclination concrete rectangular structural column is arranged;
5) the three-dimensional post beam steel of height concrete rectangular Vierendeel girder is arranged;
6) parameter information that comprises concrete grade, buildings tenure of use, reinforcing bar environment of selecting according to user, the concrete cover numerical value of main structure body in generating three-dimensional post beam steel, during the establishment that is applied to three-dimensional post beam steel is calculated;
7) whether should dodge reinforced concrete column according to rule to the main muscle of three-dimensional of Nodes structural elements in described three-dimensional post beam steel processes;
8) in three-dimensional post beam steel, detect the collision problem of collision, reinforcing bar and the Nodes reinforced concrete column of reinforcing bar and reinforcing bar according to building code, according to the result of collision detection, adjust, revise bar spacing and position;
Two, to confirm three-dimensional post beam steel according to working-yard situation independent assortment, fractionation, member is carried out to the numbering of working procedure, generate corresponding working procedure flowsheeting;
Three, the three-dimensional post beam steel conversion of confirming is output as to CAD X-Y scheme, according to this X-Y scheme tool member;
Four, according to this X-Y scheme and the simulation of reinforcement construction process flow, guide field construction at the construction field (site).
2. method according to claim 1, is characterized in that, dodges described reinforced concrete column edge of a wing place at the main muscle of described three-dimensional, adds bracket or sleeve according to building specification and specification.
3. the method for claim 1, is characterized in that, when the three-dimensional post beam steel of described inclination concrete rectangular structural column is arranged, controls in the following manner reinforcing bar and creates position and create direction:
Find four cylinders of concrete rectangular structural column, get the direction vector of four cylinders and the direction vector of post center line, by the direction vector of four cylinders and the direction vector of post center line, control reinforcing bar and create position and create direction.
4. the method for claim 1, is characterized in that, when the three-dimensional post beam steel of described height concrete rectangular Vierendeel girder is arranged, controls in the following manner reinforcing bar and creates position and create direction:
Find four cylinders of described variable section, get the direction vector of four cylinders and the direction vector of post center line, by the direction vector of four cylinders and the direction vector of center line, control reinforcing bar and create position and create direction.
5. the method for claim 1, is characterized in that, describedly whether should dodge reinforced concrete column according to rule to the main muscle of three-dimensional of Nodes structural elements in described three-dimensional post beam steel and processes in the following way:
Obtain the face set of this reinforced concrete column geometric model, calculate the center line that creates main muscle, carry out crossing processing with described set with this center line, obtain each the some set crossing with described reinforced concrete column of this center line, by the information of point, judge intersection location, judge accordingly whether reinforcing bar should dodge reinforced concrete column.
6. the method for claim 1, is characterized in that, when the collision problem of collision, reinforcing bar and the Nodes reinforced concrete column of described detection reinforcing bar and reinforcing bar in the following ways:
Obtain center line and the diameter of reinforcing bar, create an entity object identical with reinforcing bar profile by the method that creates stretching entity, collide with described entity object and other entity object or Nodes reinforced concrete column, to detect the collision problem of collision, reinforcing bar and Nodes reinforced concrete column of reinforcing bar and reinforcing bar.
7. the method as described in claim 1 ~ 6 any one, is characterized in that, when detect the collision problem of collision, reinforcing bar and Nodes reinforced concrete column of reinforcing bar and reinforcing bar according to building code, amplifies and carries out bright aobvious by the conflict object of selection is mated.
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