Abstract
A new assembly steel-concrete composite lattice column frame (SLCF) was proposed as a solution for prefabricated steel structure residential. In order to study the seismic performance of SLCF, a non-linear finite element model under bidirectional ground motion was established by using Sap2000. Based on that, the model of SCLF, reinforced concrete structure and steel frame structure was compared. The results indicate that SCLF has the better strength, lateral stiffness and energy dissipation capacity.
Highlights
Prefabricated steel structure residential has some problems, such as small use space, inflexible structure arrangement, and difficult prefabrication of components [1,2]
A new assembly steel-concrete composite lattice column frame (SLCF) system was proposed as a solution for prefabricated steel structure residential
The seismic performance of SLCF was studied through time history analysis, and the following conclusions were drawn: (1) SLCF has the better strength among the two steel-concrete composite lattice column models, which is about 31.78% higher than steel composite lattice column frame
Summary
Prefabricated steel structure residential has some problems, such as small use space, inflexible structure arrangement, and difficult prefabrication of components [1,2]. A new assembly steel-concrete composite lattice column frame (SLCF) system was proposed as a solution for prefabricated steel structure residential. In this system, the composite lattice column is formed by connecting the concrete filled steel tube with lace plates. Kawano A [4] researched the seismic performance of concrete filled steel tube lattice columns. Japanese scholar Kawano et al [5,6,7,8] studied the seismic performance of a new steel frame system with concrete filled steel tube lattice columns. Due to the diversity and complexity of the problems involved, the research results of steel-concrete lattice column frame were few. It is of great significance to research SCLF’s seismic performance
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