[China Glass Network] With the continuous improvement of modern society, China's economic level continues to improve, and the city's development momentum is rapid. The construction of the glass curtain wall project is increasing day by day, and it shows a development trend that pays attention to the appearance of the profiled structure. For its structural specificity and high difficulty in construction, effective construction management measures should be implemented in the construction process to ensure the irregular shape. The construction work of the structural glass curtain wall can be carried out smoothly.
In recent years, with the rapid development of building construction technology, the new technology of glass curtain wall has obtained wider application effects in China. The glass curtain wall is a very special exterior wall decoration method, which can cover the wall position of the building well, has a strong decorative effect, and the construction operation method is relatively simple, easy to install, unique in shape, and modernized. It is widely used in the construction field.
First, the trend of the structural structure of the glass curtain wall
As an important component of modern architecture, glass curtain wall has very obvious application advantages, such as insulation, good decorative performance, light weight, thermal insulation and light control, effective sound insulation and so on. In many large public buildings in China, the structure of the glass curtain wall can be seen. It has good decorative effects and functions. The glass curtain wall can be said to integrate the architectural technology and the architectural art organically.
In recent years, on the basis of traditional flat curtain wall, the structure of special-shaped glass curtain wall has been increasing, and relevant theories and practices have been greatly developed. The special-shaped structural glass curtain wall has a strong artistic expression. The creation of a personalized architectural space through the shaped curtain wall enhances the visual impact and appeal of the building and becomes a representative work of the curtain wall building. However, compared with the ordinary flat curtain wall, there are more technical difficulties in the construction process of the special-shaped structural glass curtain wall, and the control of the construction process and the construction quality are more strict. The glass curtain wall of the opposite sex structure is technical and technical, and has certain difficulty. It is necessary to overcome certain construction difficulties to achieve satisfactory architectural effects.
2. Difficulties in construction of special-shaped glass curtain wall and key points of construction quality control
1. Effective supervision should be implemented in the early stage of construction
Due to the complicated construction process of the special-shaped glass curtain wall, it has the characteristics of difficult construction and strong professionalism. The first step is to clarify the design and installation of the glass curtain wall according to the situation of the project. Due to the specificity of the space structure, the conditions required for the construction of the special-shaped glass curtain wall are generally required, and corresponding management measures are required, which can pass the curtain wall project. The regulatory team is well organized. The corresponding project supervision unit should actively participate in the process of contract negotiation, drafting, modification and review in the construction of glass curtain wall to ensure that its glass splicing equipment, machine tools and aluminum profile processing fully meet the corresponding precision requirements, so that all The measuring tools must meet the more adaptable precision requirements, so that they can be applied in the corresponding effective period of the measurement and certification, and the relevant producers should actively cooperate with the owners and supervisors for inspection and inspection. At the same time, the supervision department needs to implement an effective review of the management system and the construction organization design. Among them, when conducting the review of the management system, the specific review content includes the quality management assurance system of the auditing construction party and whether the technical management system meets the corresponding construction requirements; when the construction project design and implementation of the project is properly reviewed, Focus on the processing work, process flow and operating equipment of the glass curtain wall installation plan at the construction site, especially the quality assurance and control of key processes.
2. Implement strict quality inspection and control for construction materials.
In the construction of the special-shaped glass curtain wall project, there is a higher requirement for the precision of the component processing, and the standard degree of the dimensions of the engineering structural components is to be ensured. Since the mapping of the surrounding glass curtain wall to the surrounding environment will affect the visual effect of the curtain wall, the flat glass is used as the main body, and the glass surface should be flat and evenly curved, so as to ensure the reproducibility of the reflected image on the surface of the curtain wall. According to the condition of the glass curtain wall assembly, the necessary storage and transportation conditions should be provided, and the special stacking site, curved profile and curved surface material can not be directly stacked on each other.
The number of special-shaped curtain wall construction components is large. During the process of storage and transportation, special attention should be paid to the scientific management of the construction components. The components should be placed in a reasonable number according to the principle of first-in and backward-out of the installation sequence. The materials should be supplied according to the construction schedule to ensure the construction progress. Implement as planned. The selection of high-quality construction materials is the material basis for ensuring the safety performance and overall quality of the building curtain wall. Therefore, the glass curtain wall materials that have entered the construction site should be strictly examined. These materials can only be applied after they meet the standard specifications.
3. Realize comprehensive monitoring and management of the construction of special-shaped glass curtain wall
In general, the specific process of building glass curtain wall construction work is: measuring the pay-off, processing the embedded parts, installing the adapter, installing the keel, inter-layer packaging, installing the lightning protection system, installing the frame curtain wall keel, the decorative surface structure, acceptance Plastic closures. The construction process of the special-shaped glass curtain wall should pay more attention to the control of multiple installation precision. The spatiality of the special-shaped glass curtain wall structure makes the construction easy to form errors, and the error accumulation will make the project not smooth. Therefore, every step of the construction must be strictly controlled to ensure the positioning accuracy of the joints, and the components are accurately placed in place by the adjustment of the adapters.
In order to achieve the expected results of the quality of the architectural glass curtain wall project, it is necessary to do the appropriate construction supervision activities, which is a critical stage. Supervision and management and control of construction glass curtain wall construction should strictly follow the sampling control and effective inspection. Only when the previous process meets the eligibility criteria can the relevant principles be implemented, and the supervision side should focus on the installation and manufacture of steel keels, installation and production. Construction materials such as curtain wall unit panels, post-installation embedded parts, and adapters. In order to fully guarantee the actual construction level of the building curtain wall, the supervisors must implement reasonable monitoring of the key points of construction.
4. Control the construction progress of the shaped glass curtain wall
Due to the specificity of the structure, it is difficult to regularly divide the surface material of the curved surface of the shaped glass curtain wall. If the face material is too large, the curvature of the surface will not be met. If the face material is too small, it will affect the visual effect. Therefore, the division of the face material should be moderately sized. If the curvature of the curtain wall surface is large, the surface material can be divided into triangles. The deformed and irregular shaped glass curtain wall should reduce the amount of use of the component type as much as possible, thereby reducing the complexity of component positioning and installation during construction. In an irregular curved curtain wall, the angle formed by the intersection of adjacent face materials is often irregular.
In order to ensure the smooth completion of the construction on time, the supervision department shall, in accordance with the contract requirements, carry out a reasonable system of progress control objectives and monitoring points on the basis of fully combining the characteristics of the project. The unit board of the project is installed from top to bottom. After the completion of the unit curtain wall construction, the interior decoration construction work can be carried out. For the specific construction schedule, the supervision department needs to adjust the construction sequence in time, prioritize the unit curtain wall construction, ensure the overall progress of the project, and focus on this aspect. Supervision and control work. In addition, in the early stage of construction, because the equipment of the construction unit is not fully in place, the progress of the project will be delayed. At this time, the supervision department needs to issue a supervision notice in time, requesting the curtain wall construction unit to arrange personnel and equipment to enter the site according to the schedule plan. Ensure the progress of the project.
5. Focus on safe construction and management
Since the construction of the architectural glass curtain wall is part of the outer high-altitude operation, the optimization of its safety is crucial. When reviewing the implementation of the construction and design of the curtain wall project submitted by the construction unit, it is necessary to review the corresponding safety construction management measures and the safety production responsibility system. On the basis of fully integrating the actual project, we will focus on the special construction plan of the basket and the lifting plan of the unit board. During construction, it is important to check whether the safety production responsibility system is established and whether the safety construction management measures are in place. The installation and disassembly units and personnel of the hanging basket shall have corresponding qualifications and post qualification certificates, and the use personnel of the hanging basket shall be certified to work. Before using the hanging basket, check whether the safety lock and the wire rope are in good condition. The self-locking buckle of the seat belt should be fastened to the life rope. It is strictly prohibited to overload when using. Due to the large scale of the project and the difficulty of construction, it is necessary to formulate a special hoisting construction plan to ensure the corresponding construction safety. In addition, it is necessary to reasonably supervise the welding power and fire safety of the construction side and put the safety measures in place.
Third, summary
In general, the construction of architectural glass curtain wall involves various aspects and is a complicated project. In the design and construction of the special-shaped curtain wall, a number of new technologies, new materials and new technologies have been adopted. In the construction preparation work, the construction of the glass curtain wall should be strictly checked, and the safety construction rules and regulations should be strictly followed to ensure the safety of the entire project. Construction. Strengthen the coordination of design, construction, installation and other aspects, increase the command of the construction site, and avoid the occurrence of various accidents. In the actual construction, it is necessary to rationally apply effective measures to implement construction quality control, and ensure that the glass curtain wall of the special-shaped structure can be safely used.
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