Research And Application Of Sandwich Reconstruction Technology Of Single Industrial Plant

With the development of the times, a large number of old factory buildings have not meet the needs of the use of modern people, in this context, the transformation of the project will be the people of all ages. Compared with the large number of structural transformation, the sandwich modification technology has obvious advantages in economy, high efficiency and safety. Sandwich reconstruction technology based on the original structure in use can effectively increases the area of housing, to improve the existing land area tense situation is very practical.At present, in the field of structural reform, the literature material of the system analysis and Research on the sandwich reconstruction technology is few. In this paper, the author combines the two engineering examples of the sandwich modification technology, introduces the characteristics of the sandwich construction technology, and puts forward the design scheme. Application of Midas/Gen finite element analysis software to analyze structural response characteristics under the action of static load and dynamic load. By comparing the dynamic characteristics of plant transformation before and after the structural static and analysis results prove that the sandwich transformation technology is reasonable and feasible. On the basis of this, put forward reasonable structure optimization suggestions. The research contents are as follows:1.Analysis of the transformation of the old industrial building needs to be used in the transformation of the relevant technology. The commonly used transformation forms in the sandwich reconstruction project are summarized, and the connection method of the new and old member in the transformation, and some engineering reconstruction technology, engineering materials, etc., which are used in the connection of the nodes are also summarized. At the same time, it also introduces the structure of the detection methods and structural modification of the need to use the reinforcement method.2.According to the engineering test results, the existing problems in the reconstruction are analyzed, and the strengthening design scheme is put forward. The finite element analysis of the structure of the sandwich structure was carried out by the finite element software. On the basis of the comparison of the data, the difference of the structure system and the advantages and disadvantages of the different types of the structure before and after the transformation of the two workshops are analyzed.3.The structure is modeled by the finite element software Midas/Gen. The formation decomposition response spectrum method and dynamic time history analysis method before and after the transformation of sandwich Fuxin plant under the action of seismic dynamic analysis. The similarities and differences of the seismic capacity of the structure before and after the transformation are summed up. At the same time, two different forms of transformation of Beijing Shougang plant plastic elastic analysis and elastic analysis under the action of earthquake, a comparative analysis of the two different forms of transformation of seismic performance4.The base isolation technology is adopted to optimize the structural system of steel structure of Beijing Shougang plant. The dynamic characteristics of structures under earthquake and rare earthquake are compared and analyzed. The nonlinearity of the isolated bearing is considered in the analysis. The results of the comparative analysis can be used to evaluate the ability of seismic isolation technique to weaken the earthquake action. To provide a basis for the future promotion of seismic isolation technology.The above research results, for the application of sandwich structure transformation technology in the field of industrial structure transformation of the plant to provide complete technical support, and to provide reference for future similar project.