MindMap Gallery Application of BIM in aluminum formwork detailed design and construction
The application of BIM in the detailed design and construction of aluminum formwork, including the introduction of aluminum alloy formwork system, Introduction to the simple process of BIM aluminum mold, etc.
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This is a mind map about bacteria, and its main contents include: overview, morphology, types, structure, reproduction, distribution, application, and expansion. The summary is comprehensive and meticulous, suitable as review materials.
This is a mind map about plant asexual reproduction, and its main contents include: concept, spore reproduction, vegetative reproduction, tissue culture, and buds. The summary is comprehensive and meticulous, suitable as review materials.
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Application of BIM in aluminum formwork detailed design and construction
Introduction to aluminum alloy formwork system
Formwork system: forms the closed surface required for concrete structure construction and ensures that the building structure is formed when the concrete is poured.
Support system: plays a supporting role during the construction of concrete structures to ensure the stable support of floors, beam bottoms and cantilevered structures.
Fastening system: It ensures the structural width of the formwork and prevents deformation, form expansion and form explosion when pouring concrete.
Attachment system: It is the connecting component of the formwork, allowing single-piece formwork to be connected into a system.
Introduction to the simple process of BIM aluminum mold
In order to improve work efficiency and reduce design errors, BIM technology was used to conduct a three-dimensional and parametric design of the aluminum mold. Each component is numbered according to its structural position. After the design is completed, not only can the numbers and engineering quantities of standard components and non-standard components be clearly understood, but also the processing material list can be generated, and the model can also be exported to processing details. It is conducive to prefabrication processing in the factory and speeds up the production schedule.
Comprehensive use of BIM technology, based on the structural deepening model, establishes the aluminum formwork construction standard layer model of the project, comprehensively considers the main structure construction needs of each profession, and carries out in-depth design of the aluminum formwork drawings. BIM technology is not only used in the in-depth design stage, but also serves factory processing, distribution, and on-site installation.
Aluminum mold application value
01light
The products are all made of high-strength aluminum alloy and weigh an average of 25 kilograms per square meter. A maximum size of about 2.5 square meters of formwork can be easily carried by one person.
02Simple
The main accessories are pins, wedges and wall inserts. The installation and removal of the aluminum alloy building formwork system can be quickly completed with only a hammer and a slightly trained manual worker.
03Efficient
The integrated, standardized and modular system design can facilitate one-time pouring, making on-site operations simple and easy, and greatly saving on-site labor quantity and labor-hour costs. Effectively shortening the construction period, usually one floor can be assembled and poured every 3-4 days.
04High strength
The latest technological aluminum alloy materials and reasonable formwork structure design enable the bearing capacity of the aluminum alloy building formwork system to reach 60KN/m, which is equivalent to the design bearing capacity of all-steel large formwork.
05 Anti-rust
The good anti-rust properties of aluminum alloy bring great convenience to the subsequent use and maintenance of aluminum alloy building formwork. It is particularly suitable for use in construction in humid areas in the south.
06Precision
The extrusion manufacturing process of aluminum alloy building formwork can ensure precise jointing between formwork frames. Coupled with the easy demoulding characteristics of aluminum formwork panels, the concrete surface is smooth and smooth, achieving the finishing and clear water effect.
07Longevity
Based on the experience of developed countries such as the United States, if used and maintained properly, all-aluminum formwork can be recycled more than 2,500 times. Amortized cost is better than other types of templates.
08Preserve value
The fully recyclable properties of aluminum alloys, as well as the continued rise in the price of precious metals in the international market and other factors, make investment in the use of aluminum formwork systems added to the functions of anti-inflation, preservation and appreciation of value.
09Flexible
The construction method of overall ground assembly and lifting by tower crane can be used. At construction sites where there are insufficient tower cranes, they can also be disassembled and assembled manually.
As one of the new technologies in my country's construction industry, aluminum alloy formwork has the advantages of high stiffness, high strength, reusability, simple installation and disassembly, and basically no construction waste after disassembly. However, because aluminum profiles are not easy to process on site, they are only In-depth design can reduce the waste of aluminum alloy profiles. The emergence of BIM technology, with its intuitiveness, optimization, ease of coordination and other characteristics, realizes the visibility of aluminum formwork, and reduces the process loss rate and construction period through accurate calculation, making the aluminum membrane panel from design to processing to on-site Assembling fully realizes refined management and precise construction.
Implementation process of BIM technology in aluminum membrane panel project:
Aluminum membrane panel family library creation - visual design optimization - uploading to the collaborative platform for multi-party review - confirming template orders and making aluminum alloy templates - making visual explanations of complex nodes - pre-assembly simulation - working together with QR codes and applying - On-site assembly - 3D scanning reverse modeling and comparison of pre-assembled models - pouring of concrete - actual measurement of concrete components - comparison of differences between solid components and models - turnover after confirming that the aluminum mold is intact.
1. Collaboration of aluminum alloy formwork and BIM technology
1.1 Creation of aluminum membrane panel family library
Most modules in the aluminum alloy formwork system can be used together in multiple projects, so it is necessary to complete the establishment of formwork for standard components in advance to achieve "once and for all". After completing the modeling of the general part, the next step is to build a model for the special part of the project, and classify and name all templates.
1.2 Construction of BIM technology collaboration platform
Using BIM technology for multi-party collaborative design can reach a consensus as quickly as possible, build a BIM construction collaboration platform, provide explanations, and upload model content. Through QR code technology, three-dimensional visualization of aluminum membrane panels can be realized in real time. Through the QR code, the aluminum formwork model is single-numbered and bidirectionally associated with the entity, and a synchronized analysis model of the aluminum membrane panel construction data is built, which can control the actual construction on site and facilitate timely grasp of the performance dynamics of the aluminum membrane panel.
Since the aluminum membrane panels are prefabricated assembly systems with many node components, in the traditional design process, each design change requires a large amount of repetitive work, making the data statistics confusing and difficult to distinguish. Combined with the use of Weiqi platform, Glodon BIM5D, Fuzor and other products, a collaborative platform was built to bring together supervision, design, construction, aluminum alloy formwork manufacturers and other parties to work together, eliminating the need for complicated paper two-dimensional drawing transfers and realizing the design Intended for rapid three-dimensional display, real-time feedback of design opinions, and multi-directional interactive design.
1.3Visualization of BIM technology
Use the visualization and parametric functions of BIM to create a virtual prototype of the aluminum membrane panel construction, which can display each node in an all-round three-dimensional manner. Producing animations of the construction process of aluminum membrane panels can directly guide on-site construction. For example, virtual prototypes and construction process animations can be uploaded to the cloud platform, and through QR code technology and mobile terminal platforms, they can be picked up and viewed on-site to achieve the purpose of real-time disclosure.
Before the model of the aluminum membrane panel is officially released, Revit must be used to create a structural model including walls, columns, beams, slabs, and stairs. Then, through BIM technology, virtual formwork can be implemented in the computer and the aluminum formwork construction environment can be analyzed. Conduct live simulations.
By using early demolition technology, the turnover rate and construction efficiency of aluminum membrane panels can be improved, thereby continuing to reduce costs. Through visualization technology, the traditional form of physical trial assembly is transformed into model collision detection and construction process simulation. When problems are discovered, rectification can be carried out on site in a timely manner. This not only greatly improves the accuracy of construction, but also increases the speed of construction.
2. Combination of aluminum alloy template and RFID material tracking technology
Using QR code technology, the entire aluminum mold construction process is associated with the model in the host computer. Establish the architecture and formwork system model in Revit, and use the schedule function to reversely number the aluminum formwork blocks one by one. The built model is imported into the collaboration platform and a QR code is generated. Then paste the QR code on the on-site aluminum membrane board to achieve a two-way association between the two.
Use the detail list function to number the plate components and formulate orderly naming rules to name the components. Import it into the collaborative platform to generate a QR code, and send the QR code, model and detailed drawings to the aluminum mold manufacturer at the same time. After the construction and production is completed, the manufacturer is required to paste the QR code on the back of the aluminum film plate to facilitate later operations. According to the needs of each area of the construction site, they will be stacked directly into the designated area after admission. Project managers can directly scan the QR code to obtain the identity information of each aluminum membrane panel, and perform assembly operations according to the coding serial number.
Use Revit to create virtual construction samples of on-site aluminum membrane panels and create virtual construction animations. Upload the construction samples and process animations to the cloud platform. Use QR code technology and mobile terminal layer products to realize extraction and viewing at any time, achieving intuitive and real-time explanation. The purpose is to achieve transparency in the template installation process for each area.
3. Aluminum alloy template verification
3.1 Aluminum membrane panel BIM model verification
In accordance with the cutting requirements for aluminum diaphragm panels, the BIM model of the aluminum diaphragm panels established has reached LOD500 level, and the model will contain complete component parameters and attributes. The BIM model should be compiled based on final confirmation by all participating parties, and the final version should be updated and maintained. The BIM model should be parametrically designed according to the specific needs of the virtual prototype to achieve the purpose of comparison with the actual site.
Because the types of aluminum membrane panels are relatively complex, including side panels, bottom panels, corners, supports, etc. The simulated pre-assembled aluminum membrane panels are a closely related whole, so it is necessary to check whether the links between the aluminum membrane panels are reasonable, whether there are overlapping collisions or splicing gaps, etc. In the three-dimensional view of Revit, you can intuitively The conflicting parts are found and the size of the aluminum diaphragm is adjusted to avoid collisions. At the same time, the cutting order of the aluminum diaphragm will also be changed, which greatly improves the efficiency of the school team and reduces the mold matching error rate caused by incorrect dimension marking to zero. At the same time, it is necessary to clarify the turnover flow of aluminum membrane panels and carry out early dismantling and turnover planning in advance.
3.2 Verification of aluminum membrane panels after on-site installation
Common quality problems of on-site aluminum alloy formwork are mostly axis offset, elevation error, structural deformation, loose joints, etc. After the formwork is completed, the on-site construction management personnel set up a three-dimensional scanner at the designated location to conduct reverse modeling, compare the model with the model established in the previous stage, conduct statistical analysis, and confirm that it is correct before pouring.
After the pouring is completed, the actual measured quantities will be input into the formwork model. If there is a problem with the quality of the concrete molding, you need to find the corresponding formwork according to the formwork number where the problem occurred. Check in time whether it is a problem with the construction process or the formwork is damaged. Scan the QR code to compare the model. According to the template size, check the template for straightness. Discover problems with aluminum membrane panel components as early as possible. If damage occurs, provide timely warning and replacement to avoid physical quality problems after turnover.
4. Protection measures for aluminum alloy formwork system
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5. Implementation effect
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6. Conclusion
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