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

The construction of a large-span steel structure space frame canopy is a relatively common construction form in my country’s current building construction. During the application of construction management technology, we should pay attention to the application analysis of construction technology, so that we can comprehensively improve under the analysis of construction technology application. The high-altitude bulk construction quality of the large-span steel structure space frame canopy. This paper focuses on the research on the high-altitude bulk construction of the large-span steel structure space frame canopy. During the research process, according to the construction technology application requirements, the corresponding technical application difficulties and key technical applications in the technical implementation can be well controlled, which is helpful for improving its technical application capabilities. It has important research significance for the bulk construction quality of steel structure space frame canopy.

1 Analysis of high-altitude bulk structure on the canopy of large-span steel structure space frame

In accordance with the application requirements of high-altitude bulk construction structures of large-span steel structure space frame canopy, in this research, new requirements are also put forward for the structural design of long-span steel structure construction. In the application of structural design in construction, the application effect of the entire construction technology is analyzed. According to the analysis of the effect of the corresponding construction technology practice, in the design and application of the entire construction structure, the requirements for the design of the construction structure and the processing of the construction structure are constantly changing. The corresponding key points of construction structure design management are also constantly changing. In the design process of the canopy structure under this situation, the corresponding structural design points should be deployed in accordance with the corresponding institutional design requirements, so as to improve the overall structural design optimization control ability and meet Application requirements in engineering roof structure design. The entire bulk structure of the canopy is composed of surrounding support suspensions. There are 108 suspensions in total, and the corresponding suspension length is 12m. In the composition of the entire canopy support, there are 128 concrete pillars, and the corresponding height is 27m. A certain project is a construction mode based on the construction technology of a large-span high-altitude bulk steel structure roof space frame. During the construction process, due to the large span and large area, the prestressed concrete structure is used as the basis during the construction process. main working mode. The project is a three-story concrete structure. During the construction process, the building height is 23m, and the total building construction area is 1256 m³. During the construction process, its specific structure has certain individuality and differences due to the difference in prestressed transfer beams. The specific conditions in the construction are as follows: In the construction process of 12.2m at the three continuous two-span lengths of 20.8m prestressed beam, the beam section is 100~1200x600mm, the beam is equipped with four bundles of 7 in the s15.3 or 5 bundles of 7 in the s15.2 binding prestressed strand.

2 Analysis of technical difficulties in high-altitude bulk construction of large-span steel frame roof

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

Because there are different differences in the application of the related construction technology in the high altitude bulk construction technology of the roof of the space frame, in order to improve the practical ability of the overall technology application, we should also pay attention to the analysis of the difficult factors of the construction technology in time in the process of the application of the technology. In the whole technical construction, due to the high structure of the space frame and the large span, There are many influencing factors in the implementation of construction technology, and it is easy to be affected by weather factors. In the application process of construction technology under this background, we should implement the key points of the overall construction technology control well in accordance with the corresponding construction technology application control, so as to ensure that the corresponding structural design can be handled well in the construction management. As the high-altitude frame is above 27m, its corresponding construction technology treatment, the influence of wind is more important. Only by controlling the change of factors, can the structural construction technology in the overall technology application be well controlled.

2.2 There are many space frame nodes, which need to be constructed in winter

In the process of application of construction technology, there are many factors influencing the application of related construction technology. It is necessary to timely control the corresponding construction technology application and construction structure and nodes in accordance with the corresponding construction technology application control in the process of application of construction technology, so as to meet the technical application control in construction. Because in the process of steel structure space frame construction technology application, the corresponding construction period is in winter, the entire construction technology application, according to the corresponding construction technology application control, according to the requirements of the entire construction technology processing, to design the corresponding construction technology application, as well as the design of specific construction technology, and need in the application design of technology, The weather influence factors in the application of technology are eliminated in time to ensure the quality of the whole structure construction technology application can be guaranteed.

2.3 There are many restrictive factors on the construction site, and cross-operations are required

In the application process of large-span steel structure construction technology, there are many restrictive factors for the corresponding construction technology application, and in the process of construction technology application, there are many restrictive construction factors, such as the space of the construction site and the area of the construction site, etc. It is an important factor affecting the application of construction technology. Therefore, in this context, it is necessary to deploy the corresponding construction technology plan in time according to the construction status of the construction site. It is necessary to control the deployment of personnel during construction according to the construction environment in the construction site. Some construction sites require cross-construction to ensure that in the application of cross-construction management technology, the corresponding construction deployment of personnel can be handled well to ensure the overall construction quality is improved to meet the requirements of construction technology application practice.

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

3.1 Scheme optimization

According to the application requirements of the construction technology, in the process of construction management technology application, the deployment of the construction scheme was analyzed. In the design of the construction scheme, the corresponding construction technology application and the corresponding construction technology treatment requirements were analyzed comprehensively. Combined with the specific construction technology treatment requirements, the site consumables in the construction were analyzed. And the corresponding construction period of the operation of a full analysis combined with the external requirements of the construction technology, the corresponding construction area of the technology application and specific construction structure design, for example, in the optimization of the construction scheme, according to the corresponding construction technology design, the overall construction technology application planning and design, and in the processing of construction technology, With the help of information technology, the technology application in the whole construction is simulated. Through simulation analysis, the key technology control points in the application of the whole construction technology can be made clear. In the process of the application of construction technology, the scaffolding treatment and the corresponding welding technology treatment in the application of construction technology should be made clear in time according to the corresponding construction technical requirements. In this way, we can ensure the timely implementation of the corresponding technology in the subsequent construction technology application process.

3.2 Main construction techniques

In the application of large-span steel structure construction technology, due to the complexity of the corresponding construction technology application, the technical implementation points in the construction technology application should be clarified in time during the construction technology application process, so as to facilitate the corresponding construction technology. Application control. The main technologies in the entire construction are as follows. One is hoisting technology, which is a key factor in the entire technology application and is responsible for the key technology of structural assembly in the entire construction technology application. The application of hoisting technology must be handled well. The second is the space frame assembly technology. When hoisting the corresponding space frame to the construction site with 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, which is the key technology in the entire technology application. After the space frame assembly technology is processed, the technology application should be combined with the actual construction technology to ensure that welding can be used in the combination of technology. technology and other auxiliary technologies to handle the high-altitude falling apart technology well.