High-altitude bulk construction of large-span steel structure space frame canopy

1 Construction method of bulk steel structure roof space frame

Before the space frame structure of a construction project officially starts construction, it is necessary to do a good job in the research and analysis of the construction-related situation of the project, and deeply grasp all kinds of data and information about the construction. During the construction process, it is usually widely used in scaffolding. Good scaffolding work can better play the higher role of scaffolding and reduce the potential safety hazards and other problems that may arise during the construction of the space frame structure. , During the construction of the space frame structure of the project, in order to obtain better construction quality and ensure construction safety, high-altitude bulk construction technology can be used, which will help fully improve the overall structure of the construction project. The stability and bearing capacity further laid a solid foundation for the structural safety of the project.

Therefore, the relevant construction technicians need to formulate a more scientific and reasonable construction plan based on the actual construction situation of the project, and according to the specific requirements of the project construction, check and supervise the effective safety protection measures of the construction site staff of the project, so as to provide a basis for the follow-up. The engineering construction process provides high-level, high-standard scientific management to help construction personnel improve the efficiency of engineering construction.

In the process of upgrading the space frame structure of the project, it is necessary to strictly supervise, manage and control each key link. If any problems affecting the construction quality and construction safety of the project are found during the construction process, it must be timely. Report and effectively solve and deal with it, so as to avoid this hidden safety hazard from causing more serious threats and negative interference to the construction in the later stage of the project, and even causing more serious construction safety accidents. It is also necessary to strictly supervise and manage the key construction links of construction projects, especially the construction of scaffolding to meet the safety construction standards and requirements of the project. In the construction process of the project, the scope of responsibilities of each construction personnel and management personnel should be strictly delineated, so as to better stimulate their initiative and enthusiasm, pay more attention to the quality of the construction and supervision of the project, and better To make contributions to the construction quality and construction safety of the project.

2 Technical difficulties in high-altitude bulk construction of large-span steel structure space frame canopy

2.1 The space frame structure is high and the span is large, which is affected by the weather

Because the construction technologies related to the space frame structure construction of engineering projects are relatively diverse, the application of technology also has many different focuses and difficulties, and there are also great differences in the construction management of engineering projects. In the technical stage, in order to better improve the overall level of the application of the technology, it is necessary to pay attention to the technical priorities and difficulties in the process of applying the technology in the construction of the project before construction and make effective solutions for some complex factors within the construction technology. Analyze, sort out. In general, the technology selection and application of the space frame structure construction of the project will have a great impact on the construction quality and construction safety of the project, and the construction process is also easily affected by various related factors. , the construction plan must be prepared in the preparation stage of the project.

FIG.1 large-span steel structure space frame

The large-span space frame structures of engineering projects are basically constructed at high altitudes, and because the high-altitude systems will be affected by wind and gravity, it is easy to deform the structure, which directly causes serious security threats. Therefore, there are high requirements for the stability and overall quality of structural construction, and it is necessary to fully estimate the impact of various influencing factors of the project on the construction of the project.

2.2 There are many space frame nodes if the construction is to be carried out in winter

In the construction and construction of the space frame structure of a construction project, it is necessary to pay attention to various influencing factors that affect the construction of the space frame structure of the project, and before the construction of the project, it is necessary to do effective pretreatment for such influencing factors. In the specific construction stage, special attention should be paid to the key and difficult construction nodes of construction, strengthening construction supervision, improving the ideological understanding of construction personnel, and ensuring the construction quality of the project.

FIG.2 There are many nodes in the long-span steel structure space frame

There are many nodes in the space frame structure, so if the construction is carried out in winter, it is necessary to make an emergency plan for winter construction to prevent emergencies from affecting the normal progress of the construction. Reduce the impact of climatic factors on the construction of the project as much as possible, and ensure the stable and orderly construction of the project.

2.3 There are many restrictive factors in the construction site, and cross-operation is required

Because in the process of construction of the large-span space frame structure of the project, the project construction will be restricted by many influencing factors. These factors will not only affect the construction efficiency of the project, but also affect the construction quality and construction safety. Various factors such as the area, height, surrounding vegetation, and climate type of the common construction area will affect the construction of the project. Under such practical problems, it is necessary to improve and adjust the construction technology of the space frame structure according to the specific influencing factors and conditions of the construction site of the project. According to the impact of the construction site of the project on the construction technology, scientific Assign work tasks to construction personnel and construction management personnel to ensure the overall improvement of the construction quality of construction projects to meet the realistic requirements of construction projects for space frame structure construction.

3 Key technologies for high-altitude bulk construction of large-span steel structure space frame ceiling

3.1 Scheme optimization

In the process of construction of the space frame canopy structure of the project, in order to ensure the overall construction efficiency, construction quality, and construction safety of the project, it is necessary to fully improve the improvement and optimization of the project construction plan, so as to ensure the overall construction efficiency, construction quality and construction safety of the project. It can better provide effective guidance for the construction of the project. For the key and difficult problems of the construction of the project, it is necessary to strengthen the annotations in the construction plan, and provide the construction personnel and management personnel of the project with construction operation specifications and management points. .

3.2 Main construction technology

During the construction of the space frame structure of the project, it is necessary to emphasize the key and difficult problems of the construction of the project, help the construction personnel to identify the key points of the construction, and also remind the construction management personnel of the construction supervision goals to ensure the project. Effective improvement of construction quality. The first is hoisting technology, which is the key technology of structural assembly in the entire construction technology application, and the application of hoisting technology must be handled well. The second is the space frame assembly technology. When the corresponding space frame is hoisted to the construction site by the hoisting technology, the corresponding space frame assembly should be carried out to ensure that the corresponding technical application control points can be handled well during the application of the assembly technology. The third is the high-altitude bulk technology. After the assembly technology of the space frame is processed, the welding technology and other auxiliary technologies can be used to handle the high-altitude bulk technology.

At present, the scale of construction of engineering projects in my country is getting larger and larger, and the construction technology of engineering projects is becoming more and more difficult, which brings great challenges to the construction enterprises of engineering projects The continuous improvement and progress of construction technology of engineering projects has laid a good foundation for the construction of higher-level and higher-quality engineering projects.