Abstract
Compared with traditional buildings, prefabricated buildings have the advantages of simple construction technology, low construction requirements, and shorter construction time, which can generate more economic benefits for the construction industry. In order to study the seismic capacity of prestressed fabricated building structures under intelligent big data, this article takes fabricated frame structures as the research object and the reinforced walls at the nodes as the starting point to study the damage patterns and energy dissipation capabilities of different seismic waves on the structure. In order to observe the overall seismic performance, the fabricated frame structure was used. The results of the study found that the prestressed fabricated building structure has the best seismic effect when the axial compression is 0.3, and the prestressed degree is below 0.5, which meets the seismic requirements. Therefore, the prestressed degree of the prestressed fabricated building structure should be below 0.5. According to statistics on the results of structural residual deformation and steel bar deformation of buildings under different seismic waves, it can be found that the prestressed fabricated building structure has better self-recovery ability and can better respond to earthquakes with different seismic waves.
Highlights
With the rapid development of the Chinese economy, people’s structural requirements for residential buildings are increasing, and more multistorey residential buildings are available
Is study studies the seismic performance of prefabricated building structures and establishes a prefabricated node model. e establishment of the model needs to consider the influence of factors, such as the selection of cross sections, the characteristics of materials, the division of elements, and the nonlinear analysis. e seismic performance analysis and comparison of the frame structure and the prefabricated building structure are carried out using the dynamic time history analysis method under the same site conditions and the same construction conditions to carry out the quasirare earthquake analysis, which is the prefabricated, prestressed, building structure in the actual project. e application provides suggestions
The axial compression ratio of the inline shear wall is controlled at 0.1, 0.2, 0.3, 0.4, 0.5, and 0.6, respectively, and horizontal load is applied by the method of displacement-controlled loading. e prestress is applied by the cooling method, and the analysis statistics of the nextshaped shear wall with different axial compression ratios without prestress and applied prestress are shown in Table 2: According to the calculation results in Table 2, when the axial compression ratio of the in-line shear wall is 0.1:0.6, the bearing capacity of the in-line shear wall is increased by 7.5%, 12.7%, and 15.3%, respectively, and the prestressing is increased by 3.5%
Summary
With the rapid development of the Chinese economy, people’s structural requirements for residential buildings are increasing, and more multistorey residential buildings are available. High-rise residential buildings in our country should move towards fast construction speed, short cycle, low labor intensity, and high degree of industrialization and minimize on-site “wet work,” which is helpful to the development of environmental protection and other aspects In response to these problems, people have gradually realized that. The fabricated prestressed concrete shear wall system is formed by combining the fabricated concrete structure with the shear wall system commonly used in residential buildings in my country, which solves the current social problems, such as labor shortage and housing shortage, and compared with the cast-in-place reinforced concrete shear wall, it has certain advantages in terms of performance, so it has high research value [3]. Is study studies the seismic performance of prefabricated building structures and establishes a prefabricated node model. e establishment of the model needs to consider the influence of factors, such as the selection of cross sections, the characteristics of materials, the division of elements, and the nonlinear analysis. e seismic performance analysis and comparison of the frame structure and the prefabricated building structure are carried out using the dynamic time history analysis method under the same site conditions and the same construction conditions to carry out the quasirare earthquake analysis, which is the prefabricated, prestressed, building structure in the actual project. e application provides suggestions
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