CN116127564A - Implementation method for lean construction of urban bridge based on BIM technology - Google Patents
Implementation method for lean construction of urban bridge based on BIM technology Download PDFInfo
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- CN116127564A CN116127564A CN202211689671.4A CN202211689671A CN116127564A CN 116127564 A CN116127564 A CN 116127564A CN 202211689671 A CN202211689671 A CN 202211689671A CN 116127564 A CN116127564 A CN 116127564A
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- G06—COMPUTING; CALCULATING OR COUNTING
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- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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Abstract
The invention discloses a method for realizing lean construction of an urban bridge based on BIM technology, which comprises the following steps: step one: building a BIM model, utilizing a big data information platform technology, fusing GIS, IOT and cloud computing technology, and building a three-dimensional virtual building scene before project construction; guiding construction based on the three-dimensional scene; step two: constructing a bracket and an arch frame, and detecting the quality of the bracket and the arch frame; step three: controlling the quality of the reinforced concrete; the beneficial effects of the invention are as follows: in the construction process of the bridge project, a BIM model is used as a data foundation, and an information platform technology is utilized to construct a three-dimensional virtual scene, so that lean construction is realized, and the value is added for construction and use of the project; the method can be applied to the construction process of the urban bridge and can be popularized to other construction projects; design problems and construction waste are reduced, construction quality is improved, construction cost is reduced, and lean construction is realized.
Description
Technical Field
The invention belongs to the technical field of urban bridge construction, and particularly relates to a method for realizing lean construction of an urban bridge based on a BIM technology.
Background
The most important purpose of the bridge is an overhead passage built across a river, valley, obstacle or other traffic line; the main function of the urban bridge is to span the original traffic route of the city, and the construction of the urban bridge plays an important role in ensuring smooth urban traffic; in order to ensure reasonable and attractive appearance of urban bridge construction, the design and construction of the bridge should be reasonably planned, and the practicability, safety and attractive appearance of the bridge are ensured.
The construction of the urban bridge greatly promotes the process of urbanization; with the increasing shortage of urban land, the number of urban automobiles is increased sharply, the pressure of urban traffic roads is increased increasingly, the construction of urban bridges combines ground traffic and overground traffic, the utilization rate of urban space is improved, the running efficiency of urban traffic is improved, and the phenomenon of traffic jam is relieved; meanwhile, the urban bridge with beautiful building is also an important component of urban landscapes, and represents the humane landscape and the technological development level of one city; the bridge construction is reasonably and scientifically planned in the design and construction process, and immeasurable effects are definitely made for the rapid development of cities.
The traditional urban bridge construction method comprises the following steps: in-situ casting method: setting up a bracket at the bridge position, pouring concrete on the bracket, and removing the template and the bracket after the concrete reaches the strength; the cantilever construction method comprises the following steps: the bridge-suspending method for continuously connecting the long beam body member from the bridge pier to the span includes the steps of balanced cantilever construction, unbalanced cantilever construction, cantilever pouring construction and cantilever assembling construction; the swivel construction method comprises the following steps: the construction method is that after pouring or splicing the bridge structure at the position of the non-design axis, the bridge structure is positioned by a swivel; according to the rotation direction of the bridge structure, it can be classified into a vertical swivel construction method, a horizontal swivel construction method, and a method of combining horizontal swivel and vertical swivel.
The existing urban bridge construction is not beneficial to reducing the problems in design, is easy to cause construction waste, is not beneficial to improving construction quality, and is not beneficial to realizing lean construction.
Disclosure of Invention
The invention aims to provide a method for realizing the lean construction of an urban bridge based on a BIM technology, which integrates the BIM technology with the urban bridge construction to realize the digital lean construction of bridge projects.
In order to achieve the above purpose, the present invention provides the following technical solutions: a realization method for lean construction of urban bridges based on BIM technology comprises the following steps:
step one: building a BIM model, utilizing a big data information platform technology, fusing GIS, IOT and cloud computing technology, and building a three-dimensional virtual building scene before project construction; guiding construction based on the three-dimensional scene;
step two: constructing a bracket and an arch frame, and detecting the quality of the bracket and the arch frame; many arch structures can be encountered in bridge construction, a bracket and an arch template are required to be built, the bracket and the arch template are built on the principle of simple operation, and meanwhile, the quality of the bracket and the arch template is ensured; meanwhile, in order to reduce construction capital investment, the number of brackets and arches is reduced to the greatest extent possible, and recycling is best realized;
step three: controlling the quality of the reinforced concrete; concrete and steel bars are mainly used building materials in bridge construction, and steel bars with quality assurance are purchased from common production reputation and production capacity to ensure the stability of the steel bars; for concrete, the use quality of the concrete is determined in the proportioning process, and meanwhile, the concrete is strictly managed, so that serious concrete cracks are prevented from influencing the overall quality of the bridge; the proportion of the concrete is needed to be prepared, the proportion degree is adjusted in time according to different construction projects, meanwhile, storage management is well prepared, the property of the concrete can be changed due to improper storage, and the safety of construction is affected;
step four: the foundation, the abutment and the support are stabilized and protected, the stress test work is carried out, and the construction quality of the foundation, the abutment and the support is ensured;
step five: building a bridge deck; ensuring that the bridge floor drainage facilities meet the design requirements, and the application of the waterproof material meets the requirements and related regulations; the strength and stability of various railings and barrier piers on the bridge deck are ensured;
step six: other auxiliary installation construction; after the foundation concrete reaches the design strength, a sound insulation and anti-dazzle device can be installed, and the protection of the device is paid attention to in construction, so that damage is avoided; ensuring that the installation of the lamp post lighting facility meets the regulations; the decoration and fitment of the facing should be placed and constructed after the quality inspection of the base layer is qualified;
step seven: and (5) acceptance checking: and checking and accepting work is carried out at each stage, so that the error is ensured to be within a controllable range.
As a preferable technical scheme of the invention, the method for establishing the BIM model comprises the following steps: dividing the bridge into pile foundations, pier columns, supports, box girders, cable towers and 6 groups according to the positions of the bridge, respectively establishing corresponding groups according to drawings, storing files according to an item coding system, establishing the elevation and shaft network of a bridge Revit item file, importing each member group according to the positions, ensuring the position accuracy of the members through a three-dimensional interface, and finally adding auxiliary facilities.
As a preferable technical scheme of the invention, the 'family' system establishes a construction model based on four basic editing functions of 'stretching, rotating, fusing and lofting', and the outline of a construction member can be singly or combined to be used according to a path by editing a model reference line on a reference elevation and utilizing four forms of 'stretching, rotating, fusing and lofting'.
As a preferred technical scheme of the invention, the acceptance includes inspection and rechecking of materials and equipment adopted by engineering.
As a preferable technical scheme, the invention further comprises bridge construction stage monitoring, including stress monitoring, cable force monitoring, displacement measurement and concrete pouring temperature monitoring.
As a preferable technical scheme, the invention further comprises bridge design loads, including constant load, variable load and accidental load.
Compared with the prior art, the invention has the beneficial effects that:
1. in the construction process of the bridge project, a BIM model is used as a data foundation, and an information platform technology is utilized to construct a three-dimensional virtual scene, so that lean construction is realized, and the value is added for construction and use of the project; the method not only can be applied to the construction process of the urban bridge, but also can be popularized to other construction projects, and the core is to grasp the composition of elements in the three-dimensional scene, the precision and depth of the BIM model, the application of BIM data and the like;
2. the method is characterized in that the scheme is selected and optimized based on a three-dimensional scene, component information is extracted, linkage with production equipment and simulation application of a construction scheme are realized, construction is guided, design problems and construction waste are reduced, construction quality is improved, construction cost is reduced, and lean construction is realized;
3. and during construction, bridge construction stage monitoring is carried out, so that the quality of lean construction is further improved.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, a first embodiment of the present invention provides a method for implementing lean construction of a city bridge based on a BIM technology, which comprises the following steps:
step one: building a BIM model, utilizing a big data information platform technology, fusing GIS, IOT and cloud computing technology, and building a three-dimensional virtual building scene before project construction; based on three-dimensional scenes, the specific selection and optimization of the building, the extraction of component information, the linkage with production equipment and the simulation application of a construction scheme are realized, the construction is guided, the design problem and the construction waste are reduced, the construction quality is improved, the construction cost is reduced, and the lean construction is realized;
step two: constructing a bracket and an arch frame, and detecting the quality of the bracket and the arch frame; many arch structures can be encountered in bridge construction, a bracket and an arch template are required to be built, the bracket and the arch template are built on the principle of simple operation, and meanwhile, the quality of the bracket and the arch template is ensured; meanwhile, in order to reduce construction capital investment, the number of brackets and arches is reduced to the greatest extent possible, and recycling is best realized;
step three: controlling the quality of the reinforced concrete; concrete and steel bars are mainly used building materials in bridge construction, and steel bars with quality assurance are purchased from common production reputation and production capacity to ensure the stability of the steel bars; for concrete, the use quality of the concrete is determined in the proportioning process, and meanwhile, the concrete is strictly managed, so that serious concrete cracks are prevented from influencing the overall quality of the bridge; the proportion of the concrete is needed to be prepared, the proportion degree is adjusted in time according to different construction projects, meanwhile, storage management is well prepared, the property of the concrete can be changed due to improper storage, and the safety of construction is affected;
step four: the foundation, the abutment and the support are stabilized and protected, the stress test work is carried out, and the construction quality of the foundation, the abutment and the support is ensured;
step five: building a bridge deck; ensuring that the bridge floor drainage facilities meet the design requirements, and the application of the waterproof material meets the requirements and related regulations; the strength and stability of various railings and barrier piers on the bridge deck are ensured;
step six: other auxiliary installation construction; after the foundation concrete reaches the design strength, a sound insulation and anti-dazzle device can be installed, and the protection of the device is paid attention to in construction, so that damage is avoided; ensuring that the installation of the lamp post lighting facility meets the regulations; the decoration and fitment of the facing should be placed and constructed after the quality inspection of the base layer is qualified;
step seven: and (5) acceptance checking: checking and accepting work is carried out at each stage, so that errors are ensured to be within a controllable range, engineering quality is ensured, and the qualification of each part in the whole engineering process is striven for failing to meet the design requirements and related regulations, so that the qualification of the whole bridge engineering is achieved; mainly comprises the following two points: checking and rechecking materials and equipment adopted by engineering; performing quality control on each sub-project according to construction requirements, performing self-checking and handover checking after the sub-projects are completed, forming a file, and performing construction of the next sub-project after the file is recovered; after completion of the engineering, the construction unit organization checks whether each part of the bridge engineering is qualified or not, and performs function and load tests.
In this embodiment, preferably, the method further includes bridge construction stage monitoring including stress monitoring, cable force monitoring, displacement measurement and concrete pouring temperature monitoring; the main content of construction monitoring is as follows: the hydration heat temperature and various instantaneous losses of a beam body prestress system are tested, suggestions are provided for construction technology and engineering quality control, and construction is guided; testing linear change of the girder, displacement of the tower top, key section stress and cable force of the stay cable before and after the girder body prestress beam is tensioned, the stay cable is tensioned and the construction support is removed, and controlling the girder prestress effect and the cable force of the stay cable; full bridge closure, temporary pier top consolidation and dismantling, girder body prestress bundle tensioning to complete structural system conversion and cable stayed Shu Suoli, bridge deck linearity, tower top displacement and cable stayed force testing, control and adjustment comments are put forward, and bridge quality is ensured.
In this embodiment, the design load of the bridge is preferably further included, including constant load, variable load and accidental load.
Example 2
Referring to fig. 1, a second embodiment of the present invention is shown, which is based on the first embodiment, except that:
the building method of the BIM model is as follows: dividing the bridge into pile foundations, pier columns, supports, box girders, cable towers and 6 groups according to the positions of the bridge, respectively establishing corresponding groups according to drawings, storing files according to an item coding system, establishing the elevation and shaft network of a bridge Revit item file, importing each member group according to the positions, ensuring the position accuracy of the members through a three-dimensional interface, and finally adding auxiliary facilities.
The 'family' system builds a building model based on four basic editing functions of 'stretching, rotating, fusing and lofting', and the profile of a building component can be independently used or combined to be used according to a path by editing a model reference line on a reference elevation and utilizing four forms of 'stretching, rotating, fusing and lofting'; stretching: drawing a planar two-dimensional shape, stretching along the vertical direction to create a entity, and setting a stretching starting point and a stretching end point; and (3) rotation: drawing a two-dimensional shape on a plane, and then drawing a three-dimensional model by designating a rotation axis; fusion: constructing a three-dimensional model by drawing the outlines of the bottom and the top based on the components with different upper and lower surfaces or left and right surfaces; and (3) lofting: drawing a contour on a two-dimensional plane, and translating along the path to construct a three-dimensional model.
BIM is directed at construction deepening design, and a three-dimensional visual display building design model can be utilized, and the concrete application flow is as follows: collecting and arranging construction site data, and ensuring data reliability and implementation; the construction unit perfects the construction operation model according to the construction information model of the construction diagram at the design stage and the construction diagram delivered by the owner unit and by combining construction resources and site conditions, and performs fine treatment on the detail structure so as to ensure the standardization degree and the integrity degree of the model; BIM technicians and project professional constructors combine the software analysis results, compare and analyze the rationality of the construction operation model and whether the actual conditions are met according to the self working experience and related specifications, adjust and optimize the design defect problem, ensure to meet the specification requirements, and simultaneously perform conflict and collision inspection on the optimized construction operation model; and (3) arranging a collision check report, checking and verifying the deep design result of the construction operation model by a construction unit invitation construction unit, a design unit and a supervision unit, checking and checking the places needing to be modified or adjusted in the preliminary design, and knocking out a final three-dimensional construction operation model, a construction two-dimensional blueprint and a node detailed diagram.
While embodiments of the present invention have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The implementation method for lean construction of the urban bridge based on the BIM technology is characterized by comprising the following steps of:
step one: building a BIM model, utilizing a big data information platform technology, fusing GIS, IOT and cloud computing technology, and building a three-dimensional virtual building scene before project construction; guiding construction based on the three-dimensional scene;
step two: constructing a bracket and an arch frame, and detecting the quality of the bracket and the arch frame;
step three: controlling the quality of the reinforced concrete;
step four: the foundation, the abutment and the support are stabilized and protected, the stress test work is carried out, and the construction quality of the foundation, the abutment and the support is ensured;
step five: building a bridge deck;
step six: other auxiliary installation construction;
step seven: and (5) acceptance checking: and checking and accepting work is carried out at each stage, so that the error is ensured to be within a controllable range.
2. The implementation method for lean construction of the urban bridge based on the BIM technology according to claim 1 is characterized in that: the building method of the BIM model comprises the following steps: dividing the bridge into pile foundations, pier columns, supports, box girders, cable towers and 6 groups according to the positions of the bridge, respectively establishing corresponding groups according to drawings, storing files according to an item coding system, establishing the elevation and shaft network of a bridge Revit item file, importing each member group according to the positions, ensuring the position accuracy of the members through a three-dimensional interface, and finally adding auxiliary facilities.
3. The implementation method for lean construction of the urban bridge based on the BIM technology according to claim 2 is characterized in that: the 'family' system builds a building model based on four basic editing functions of stretching, rotating, fusing and lofting, and the profile of a building member can be singly used or combined to be used according to a path by editing a model reference line on a reference elevation and utilizing four forms of stretching, rotating, fusing and lofting.
4. The implementation method for lean construction of the urban bridge based on the BIM technology according to claim 1 is characterized in that: the support and the arch frame template are required to be built in the support and the arch frame, and the support and the arch frame template are built on the principle of simple operation.
5. The implementation method for lean construction of the urban bridge based on the BIM technology according to claim 1 is characterized in that: such other accessories include sound insulation and antiglare devices.
6. The implementation method for lean construction of the urban bridge based on the BIM technology according to claim 1 is characterized in that: and the acceptance includes inspection and rechecking of materials and equipment adopted by engineering.
7. The implementation method for lean construction of the urban bridge based on the BIM technology according to claim 1 is characterized in that: the method also comprises bridge construction stage monitoring, including stress monitoring, cable force monitoring, displacement measurement and concrete pouring temperature monitoring.
8. The implementation method for lean construction of the urban bridge based on the BIM technology according to claim 1 is characterized in that: the bridge design load also comprises constant load, variable load and accidental load.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108537463A (en) * | 2018-04-20 | 2018-09-14 | 中铁四局集团第三建设有限公司 | Cast-in-situ bridge support system construction monitoring system and method based on BIM |
| CN115470565A (en) * | 2022-10-31 | 2022-12-13 | 中建路桥集团有限公司 | Bridge construction method and system based on BIM technology |
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- 2022-12-27 CN CN202211689671.4A patent/CN116127564A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108537463A (en) * | 2018-04-20 | 2018-09-14 | 中铁四局集团第三建设有限公司 | Cast-in-situ bridge support system construction monitoring system and method based on BIM |
| CN115470565A (en) * | 2022-10-31 | 2022-12-13 | 中建路桥集团有限公司 | Bridge construction method and system based on BIM technology |
Non-Patent Citations (4)
| Title |
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| 孙润曦;鲍丹: "BIM技术在桥梁安全管理中的应用研究", 城市建筑, vol. 17, no. 362, pages 155 - 157 * |
| 曾绍武;张学钢;张林;李季晖;王安东;: "预应力连续刚构桥梁BIM精细化建模实例", 铁道标准设计, no. 02, pages 71 - 77 * |
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