CN105731262B - Plane layout of tower crane system and method based on BIM technology - Google Patents
Plane layout of tower crane system and method based on BIM technology Download PDFInfo
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- CN105731262B CN105731262B CN201610202339.9A CN201610202339A CN105731262B CN 105731262 B CN105731262 B CN 105731262B CN 201610202339 A CN201610202339 A CN 201610202339A CN 105731262 B CN105731262 B CN 105731262B
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- tower crane
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Jib Cranes (AREA)
Abstract
The present invention relates to a kind of plane layout of tower crane system and method based on BIM technology, the system includes：Modeling unit, the component for needing handling is modeled and increases the weight parameter of component；Acquiring unit, for storing the arrange parameter and lift heavy parameter of tower crane；Horizontal layout unit, the component for having been modeled to the modeling unit carry out horizontal layout；And lift heavy inspection unit, for carrying out lift heavy inspection to the component through horizontal layout, when carrying out lift heavy inspection, whether traversal checks the gravimetric value for the component arranged in the coverage of tower crane in the lift heavy value of tower crane, if the gravimetric value of component is more than the lift heavy value of tower crane, error message is prompted；Otherwise next component is continued checking for until traversal is completed.Weight parameter is assigned for component, is arranged into place rear, the comparison of tower crane lift heavy and construction weight is carried out, realizes the lift heavy inspection in tower crane coverage, realize intelligentized horizontal layout.
Description
Technical field
The present invention relates to the realm of building construction, refers in particular to a kind of plane layout of tower crane system and method based on BIM technology.
Background technology
BIM (Building Information Modeling, BIM) technology is that one kind is set applied to engineering
Meter builds the digitization instrument of management, the relevant information of various projects is integrated by parameter model, in project planning, operation and dimension
Shared and transmitted in the lifecycle process of shield, make engineers and technicians various architecture informations are made correct understanding and
Efficiently reply, each side's construction bodies for design team and including building unit of operation provide the basis to cooperate,
Improve production efficiency, played a significant role in terms of the cost-effective and shortening duration.
In place horizontal layout and Hoisting Program simulation process is carried out with BIM technology, prior art have ignored plane
The weight parameter of the component of arrangement, in ground level placement process on the scene, tower crane and the component and onrelevant in own range, and then
So that during practice of construction, there is the component of Ground arrangement because can not be lifted the lift heavy scope beyond tower crane the problem of, it is necessary to set
Put other hanging devices and carry out handling so that construction cost increase, and also have large effect to the construction period.
The content of the invention
A kind of the defects of it is an object of the invention to overcome prior art, there is provided plane layout of tower crane based on BIM technology
System and method, tower crane has no to associate and caused with the component in own range when solving ground level arrangement on the scene in the prior art
The weight of component can not be found beyond tower crane lift heavy, the problem of then increasing construction cost and influence the construction period.
Realizing the technical scheme of above-mentioned purpose is：
The invention provides a kind of plane layout of tower crane method based on BIM technology, including：
Need the component of handling to be modeled job site based on BIM technology, increase the weight parameter of component in modeling；
Obtain the arrange parameter and lift heavy parameter of tower crane；
Horizontal layout is carried out to obtain the stowed location of the component to the component modeled based on BIM technology；And
Lift heavy inspection is carried out to the component through horizontal layout, traversal checks the structure arranged in the coverage of the tower crane
Whether the gravimetric value of the weight parameter of part is in the lift heavy value of the lift heavy parameter of the tower crane, if the gravimetric value of component is more than tower crane
Lift heavy value, then prompt error message；If the gravimetric value of component is less than or equal to the lift heavy value of tower crane, next structure is continued checking for
Part is until traversal is completed.
Weight parameter is assigned for component, rear, the comparison of progress tower crane lift heavy and construction weight, realization are arranged into place
Lift heavy inspection in tower crane coverage, realizes intelligentized horizontal layout.It is reasonable that raising tower crane and member planar are arranged
Property, the efficiency of vertical transport is also improved, there is preferable control to construction cost, does not also interfere with the construction period.It is fully solved
Component present in prior art beyond tower crane lift heavy can not find the problem of.
Plane layout of tower crane further improvements in methods of the invention based on BIM technology are, in the weight of increase component
During parameter, input needs gross weight gravimetric value as the weight parameter of component of the component of handling in single handling.
Plane layout of tower crane further improvements in methods of the invention based on BIM technology are, obtain the setting ginseng of tower crane
Number and lift heavy parameter, including：
Based on BIM technology set tower crane at the construction field (site) build position；
Specification according to the tower crane sets the lift heavy parameter of tower crane, and the lift heavy parameter includes each in the large arm of tower crane
The distance of nodal point separation tower body and lift heavy value corresponding with node.
Plane layout of tower crane further improvements in methods of the invention based on BIM technology are, right when carrying out lift heavy inspection
The gravimetric value of the weight parameter for the component arranged in tower crane large arm at the coverage of each node and the lift heavy value of corresponding node
It is compared, if the gravimetric value of component is more than the lift heavy value of corresponding node, prompts error message.
Plane layout of tower crane further improvements in methods of the invention based on BIM technology are, if the gravimetric value of component is big
In the lift heavy value of corresponding node, then error message is prompted, including：
Whether prompting needs to ignore, if ignoring, continues the lift heavy inspection of other components, if not ignoring, adjustment member
Horizontal layout position.
Present invention also offers a kind of plane layout of tower crane system based on BIM technology, including：
Modeling unit, for being modeled based on BIM technology to the component of job site domestic demand handling, and modeled
Component increases the weight parameter of component；
Acquiring unit, for obtaining the arrange parameter and lift heavy parameter of tower crane；
Horizontal layout unit, it is connected with the modeling unit and the acquiring unit, for built to the modeling unit
The component of mould carries out horizontal layout to obtain the stowed location of the component；And
Lift heavy inspection unit, be connected with the modeling unit, the acquiring unit and the horizontal layout unit, for pair
Component through horizontal layout carries out lift heavy inspection, and when carrying out lift heavy inspection, traversal checks is arranged in the coverage of tower crane
Component weight parameter gravimetric value whether in the lift heavy value of the lift heavy parameter of tower crane, if the gravimetric value of component is more than tower crane
Lift heavy value, then prompt error message；If the gravimetric value of component is less than or equal to the lift heavy value of tower crane, next structure is continued checking for
Part is until traversal is completed.
Plane layout of tower crane system based on BIM technology of the present invention further improvement is that, the weight parameter of component
Gravimetric value is the gross weight for needing the component of handling in single handling.
Plane layout of tower crane system based on BIM technology of the present invention further improvement is that, the acquiring unit is obtained
The arrange parameter of the tower crane taken include tower crane at the construction field (site) build position；The lift heavy of tower crane acquired in the acquiring unit
Parameter includes the distance of each nodal point separation tower body and lift heavy value corresponding with node in the large arm of tower crane.
Plane layout of tower crane system based on BIM technology of the present invention further improvement is that, the lift heavy inspection unit
The lift heavy parameter acquired in the acquiring unit is read, to the component arranged at the coverage of each node in tower crane large arm
The gravimetric value of weight parameter is compared with the lift heavy value of corresponding node, if the gravimetric value of component is more than the lift heavy of corresponding node
Value, then prompt error message.
Plane layout of tower crane system based on BIM technology of the present invention further improvement is that, the lift heavy inspection unit
When prompting error message, prompt whether to need to ignore, if ignoring, continue the lift heavy inspection of other components, if not ignoring,
The horizontal layout position of adjustment member.
Brief description of the drawings
Fig. 1 is the system block diagram of the plane layout of tower crane system of the invention based on BIM technology.
Fig. 2 is the flow chart of the plane layout of tower crane method of the invention based on BIM technology.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
The invention provides a kind of plane layout of tower crane system and method based on BIM technology, suitable for the field before construction
Ground level is arranged, it is therefore intended that improves the intelligent and efficiency in tower crane ground level arrangement on the scene.The present invention is by tower crane scope
The attribute increase weight attribute of interior component, and tower crane assigns permission lift heavy weight according to large arm apart from the distance of tower body,
When carrying out lift heavy detection, lift heavy is allowed to contrast construction weight and tower crane, when construction weight exceedes tower crane in the distance
When allowing lift heavy, the prompting that reports an error is carried out, to make operating personnel be adjusted.BIM technology is based on to the present invention below in conjunction with the accompanying drawings
Plane layout of tower crane system and method illustrate.
Refering to Fig. 1, it is shown that the system block diagram of the plane layout of tower crane system of the invention based on BIM technology.With reference to
Fig. 1, plane layout of tower crane system of the present invention based on BIM technology is illustrated.
As shown in figure 1, the plane layout of tower crane system of the invention based on BIM technology includes modeling unit 21, acquiring unit
22nd, horizontal layout unit 23 and lift heavy inspection unit 24, modeling unit 21 and acquiring unit 22 connect with horizontal layout unit 23
Connect, modeling unit 21, acquiring unit 22 and horizontal layout unit 23 are connected with lift heavy inspection unit 24.
Modeling unit 21 is used to be modeled the component for needing handling in job site based on BIM technology, and to be built
The weight parameter of the component increase component of mould, that is, increase weight parameter in the family parameter of Component Modeling.Job site needs
The component for wanting handling can be construction timber, such as reinforcing bar, steel pipe, shaped steel part, precast concrete etc. or construction
The equipment that scene needs to use.The gravimetric value in Component Modeling being the increased weight parameter of component is the component for needing handling in list
Gross weight during secondary handling, by taking reinforcing bar as an example, reinforcing bar meeting colligation in handling is bundled, so in the weight parameter of input reinforcing bar
When, input the gross weight of bundled reinforcing bar.
Acquiring unit 22 is used for the arrange parameter and lift heavy parameter for obtaining tower crane, and the type of tower crane is selected according to construction requirement
Number, and the arrange parameter of tower crane and lift heavy parameter are input in acquiring unit 22 according to the operation instructions of tower crane, obtain single
Member 22 acquired in tower crane arrange parameter include tower crane at the construction field (site) build position and setting requirements etc., acquiring unit 22
The lift heavy parameter of acquired tower crane includes the distance of each nodal point separation tower body and lift heavy value corresponding with node in the large arm of tower crane.
According to the permission lift heavy value for assigning maximum in tower crane large arm away from the distance of tower body, tower crane large arm is hung close to the opening position of tower body
Weight is larger, and the position lift heavy away from tower body is smaller.
The component that horizontal layout unit 23 is used to model modeling unit 21 carries out horizontal layout, is being applied with obtaining component
The stowed location at work scene.The horizontal layout unit 23, also can be by tower crane according to the institute of acquiring unit 22 when carrying out horizontal layout
The arrange parameter of acquisition carries out horizontal layout, can also provide the coverage of tower crane.
Lift heavy inspection unit 24 is used to carry out lift heavy inspection to the component through horizontal layout, when carrying out lift heavy inspection, hangs
Whether the traversal of weight inspection unit 24 checks the gravimetric value of the weight parameter for the component arranged in the coverage of tower crane in tower crane
Lift heavy parameter lift heavy value in, that is, the gravimetric value of component is checked whether in the range of the lift heavy of permission, if beyond hanging
Weight scope, that is, component gravimetric value be more than tower crane lift heavy value, then prompt error message, handled for operating personnel,
If the gravimetric value of component be less than or equal to tower crane lift heavy value, continue checking for next component lift heavy whether over range, until
Traversal is completed.After lift heavy inspection unit 24 has checked, rational place horizontal layout has just been obtained.Lift heavy inspection unit 24
The lift heavy parameter acquired in acquiring unit 22 is read, to the weight for the component arranged at the coverage of each node in tower crane large arm
The gravimetric value of parameter is measured compared with the lift heavy value of corresponding node, if the weight parameter of component is more than the lift heavy of corresponding node
Value, then prompt error message.When prompting error message, lift heavy inspection unit 24 prompts whether operating personnel need to ignore the mistake
False information, if ignoring, the ignored component is not involved in follow-up lift heavy inspection, if not ignoring, the plane of adjustment member
The weight of position or adjustment member, to cause construction weight in the range of the lift heavy value of permission.
The plane layout of tower crane system based on BIM technology of the present invention, modeling is realized using Revit modeling softwares.
When carrying out place horizontal layout, it is that the component in place imparts weight parameter, after horizontal layout, can accurately exists with tower crane
The permission lift heavy value of position is contrasted, and realizes intelligentized place horizontal layout.The lift heavy value of tower crane and tower crane
Large arm distance is related so that placement process is more accurate, improves the efficiency of place plane vertical transport intelligent layout.And show
Have in technology, in place horizontal layout and Hoisting Program simulation process is carried out with BIM technology, tower crane arrangement does not add tower crane
Lift heavy is analyzed, and when the construction weight in the range of tower crane exceedes the maximum lift heavy of tower crane, system can not be found, would not also be carried out
Prompt or report an error, and may proceed to carry out lifting simulation.So during practice of construction, because the weight of component is beyond tower crane
Lift heavy scope, and tower crane can not be applicable and lifted, it is necessary to select other hanging devices to march into the arena construction, so add and be constructed into
This, also increases constructional difficulties, correspondingly can also influence the construction period.And the plane layout of tower crane system of the present invention takes into full account
The weight of component and the lift heavy of tower crane, after horizontal layout, check lift heavy, can find the weight of component in time
Beyond the situation of the lift heavy scope of tower crane, to make operating personnel early prepare, or the weight of component is reduced, or adjustment member
Position, or change model etc. of tower crane, it becomes possible to preferably avoid occurring emergency case in work progress, avoid pair
Duration and the influence of cost.
The operation principle and process of plane layout of tower crane system of the present invention based on BIM technology are carried out with an example below
Explanation.
Illustrated using reinforcing bar and column as component, it is assumed that reinforcing bar is a bundle of progress single lifting with 30, to steel
When rib component is modeled, the gravimetric value for inputting the weight parameter of reinforcement component is the gross weight of 30 reinforcing bars.Column is with 4
One group of carry out single lifting, when column component is modeled, the gravimetric value for inputting the weight parameter of column component is vertical for 4
The gross weight of post.Then horizontal layout unit carries out horizontal layout to reinforcement component and column component, planned reinforcement component and
The stowed location of column component.The maximum lift heavy value that each node allows in the large arm of tower crane is obtained according to the specification of tower crane,
For example the maximum lift heavy value at 5 meters away from tower body of the large arm of certain tower crane is that maximum lift heavy value at 10 tons, 10 meters is 9 tons.Then it is right
The component of horizontal layout carries out lift heavy inspection, checks whether the component in tower crane coverage is allowing in the range of lift heavy, such as
The component in the coverage at 5 meters of tower crane large arm is checked, if reinforcement component arrangement is within the range, just compares the weight of reinforcing bar
Value and the lift heavy value at 5 meters of large arm, if the gravimetric value of reinforcing bar is less than lift heavy value, continue the lift heavy inspection of other components；If steel
The gravimetric value of muscle is more than lift heavy value, at this moment prompts whether operating personnel ignore, to reinforcement component without rear if selection is ignored
Continuous lift heavy analysis, if selection is not ignored, the position of reinforcement component, or the weight of adjustment reinforcement component are adjusted by operating personnel
Amount, for example reinforcing bar is adjusted to 25 as a bundle, which reduces the weight of reinforcement component, to adapt to hanging for tower crane permission
Weight values.
Plane layout of tower crane method of the present invention based on BIM technology is illustrated below.
As shown in Fig. 2 the plane layout of tower crane method of the invention based on BIM technology includes：
Step S11 and step S12, Component Modeling and the arrange parameter and lift heavy parameter for obtaining tower crane are performed, based on BIM skills
Art needs the component of handling to be modeled to job site, increases the weight parameter of component in modeling, to need the structure of handling
Increase weight parameter in the family parameter of part.When increasing the weight parameter of component, input needs the component of handling in single handling
Gravimetric value of the gross weight as the weight parameter of component.By taking reinforcing bar as an example, when inputting the weight parameter of reinforcement component, need to input
The weight of a bundle of reinforcing bar of single handling, rather than the weight of single steel bar.Obtain the arrange parameter and lift heavy parameter bag of tower crane
Include：Based on BIM technology set tower crane at the construction field (site) build position；Specification according to tower crane sets the lift heavy ginseng of tower crane
Number, the lift heavy parameter includes the distance of each nodal point separation tower body and lift heavy value corresponding with node in the large arm of tower crane, different
Large arm distance assigns maximum permission lift heavy value.Then step S13 is performed.
Perform step S13, complete place horizontal layout, the component that has modeled is carried out based on BIM technology horizontal layout with
Obtain the stowed location of component.During ground level arrangement on the scene, while the set location of tower crane is also arranged, and obtain the covering of tower crane
Scope.Then step S14 is performed.
Step S14 and step S15 is performed, traversal compares construction weight and lift heavy parameter, judges to allow whether lift heavy is more than
Construction weight, if then performing step S16, if otherwise performing step S17.Lift heavy inspection is carried out to the component through horizontal layout,
Traversal check the weight parameter of component arranged in the coverage of tower crane gravimetric value whether tower crane lift heavy parameter
In lift heavy value, if the gravimetric value of component is more than the lift heavy value of tower crane, error message is prompted；If the gravimetric value of component is less than or equal to
The lift heavy value of tower crane, then next component is continued checking for until traversal is completed.
Step S16 is performed, all components are completed in traversal, and the weight of component is in the range of lift heavy, now place cloth
Put completion.
Step S17 is performed, when allowing lift heavy to be less than construction weight, judges whether to ignore, gives operating personnel's prompt message,
Choose whether to ignore by operating personnel, if selection is ignored, perform step S16, if selection is not ignored, perform step S18.
Perform step S18, adjustment member arrangement, the adjustment of position is arranged to component, can also adjustment member weight
Amount.Then step S14 is performed.
When carrying out lift heavy inspection, to the weight parameter for the component arranged at the coverage of each node in tower crane large arm
Gravimetric value compared with the lift heavy value of corresponding node, if the gravimetric value of component be more than corresponding node lift heavy value, prompt
Error message, prompt whether to need to ignore, if ignoring, continue the lift heavy inspection of other components, if not ignoring, adjustment member
Horizontal layout position or adjustment member weight.
The lift heavy of tower crane is related to the large arm distance of tower crane, more intelligent and accurate in placement process；Structure in place
Part imparts weight parameter, can accurately be contrasted with permission lift heavy of the tower crane in the position, realize hanging in tower crane coverage
Check again, realize intelligentized Ground arrangement.
The present invention is described in detail above in association with accompanying drawing embodiment, those skilled in the art can be according to upper
State and bright many variations example is made to the present invention.Thus, some details in embodiment should not form limitation of the invention, this
Invention will be used as protection scope of the present invention using the scope that appended claims define.
Claims (10)
- A kind of 1. plane layout of tower crane method based on BIM technology, it is characterised in that including：Need the component of handling to be modeled job site based on BIM technology, increase the weight parameter of component in modeling；Obtain the arrange parameter and lift heavy parameter of tower crane；Horizontal layout is carried out to obtain the stowed location of the component to the component modeled based on BIM technology；AndLift heavy inspection is carried out to the component through horizontal layout, traversal checks the interior component arranged of the coverage of the tower crane Whether the gravimetric value of weight parameter is in the lift heavy value of the lift heavy parameter of the tower crane, if the gravimetric value of component is more than hanging for tower crane Weight values, then prompt error message；If the gravimetric value of component is less than or equal to the lift heavy value of tower crane, it is straight to continue checking for next component Completed to traversal.
- 2. the plane layout of tower crane method based on BIM technology as claimed in claim 1, it is characterised in that in increase component During weight parameter, input needs gross weight gravimetric value as the weight parameter of component of the component of handling in single handling.
- 3. the plane layout of tower crane method based on BIM technology as claimed in claim 1 or 2, it is characterised in that obtain tower crane Arrange parameter and lift heavy parameter, including：Based on BIM technology set tower crane at the construction field (site) build position；Specification according to the tower crane sets the lift heavy parameter of tower crane, and the lift heavy parameter includes each node in the large arm of tower crane Distance and lift heavy value corresponding with node away from tower body.
- 4. the plane layout of tower crane method based on BIM technology as claimed in claim 3, it is characterised in that carry out lift heavy inspection When, to the gravimetric value of weight parameter of component arranged at the coverage of each node in tower crane large arm and hanging for corresponding node Weight values are compared, if the gravimetric value of component is more than the lift heavy value of corresponding node, prompt error message.
- 5. the plane layout of tower crane method based on BIM technology as claimed in claim 4, it is characterised in that if the weight of component Value is more than the lift heavy value of corresponding node, then prompts error message, including：Whether prompting is needed to ignore, if ignoring, continues the lift heavy inspection of other components, if not ignoring, adjustment member is put down Face position.
- A kind of 6. plane layout of tower crane system based on BIM technology, it is characterised in that including：Modeling unit, for being modeled based on BIM technology to the component of job site domestic demand handling, and the component to be modeled Increase the weight parameter of component；Acquiring unit, for obtaining the arrange parameter and lift heavy parameter of tower crane；Horizontal layout unit, it is connected with the modeling unit and the acquiring unit, for what is modeled to the modeling unit Component carries out horizontal layout to obtain the stowed location of the component；AndLift heavy inspection unit, it is connected with the modeling unit, the acquiring unit and the horizontal layout unit, for through flat The component of face arrangement carries out lift heavy inspection, and when carrying out lift heavy inspection, traversal checks the structure arranged in the coverage of tower crane Whether the gravimetric value of the weight parameter of part is in the lift heavy value of the lift heavy parameter of tower crane, if the gravimetric value of component is more than hanging for tower crane Weight values, then prompt error message；If the gravimetric value of component is less than or equal to the lift heavy value of tower crane, it is straight to continue checking for next component Completed to traversal.
- 7. the plane layout of tower crane system based on BIM technology as claimed in claim 6, it is characterised in that the weight ginseng of component Several gravimetric values is the gross weight for needing the component of handling in single handling.
- 8. the plane layout of tower crane system based on BIM technology as claimed in claims 6 or 7, it is characterised in that described to obtain list The arrange parameter of tower crane acquired in member include tower crane at the construction field (site) build position；Tower crane acquired in the acquiring unit Lift heavy parameter including tower crane large arm on each nodal point separation tower body distance and lift heavy value corresponding with node.
- 9. the plane layout of tower crane system based on BIM technology as claimed in claim 8, it is characterised in that the lift heavy inspection Unit reads the lift heavy parameter acquired in the acquiring unit, to the structure arranged at the coverage of each node in tower crane large arm The gravimetric value of the weight parameter of part is compared with the lift heavy value of corresponding node, if the gravimetric value of component is more than hanging for corresponding node Weight values, then prompt error message.
- 10. the plane layout of tower crane system based on BIM technology as claimed in claim 9, it is characterised in that the lift heavy inspection Whether unit prompts to need to ignore, if ignoring, continues the lift heavy inspection of other components, if not neglecting when prompting error message Omit, then the horizontal layout position of adjustment member.
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| WO2021077370A1 (en) * | 2019-10-24 | 2021-04-29 | 广州建筑股份有限公司 | Multiple tower crane arrangement method for building construction |
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| CN104808610B (en) * | 2015-02-13 | 2018-01-30 | 上海同筑信息科技有限公司 | Machinery Control System and method based on BIM BIMs |
| CN104657510B (en) * | 2015-03-19 | 2018-04-03 | 中铁二局第五工程有限公司 | A kind of method and device that steel truss arched bridge rapid modeling is realized using BIM |
| CN104715115B (en) * | 2015-03-19 | 2018-03-23 | 中铁二局第五工程有限公司 | The design method and device of steel truss arch bridge construction auxiliary equipment are realized using BIM |
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2016
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