Journal
STRUCTURAL DESIGN OF TALL AND SPECIAL BUILDINGS
Volume 28, Issue 13, Pages -Publisher
WILEY
DOI: 10.1002/tal.1632
Keywords
building construction; cyclic load; prefabricated structure; seismic performance; shear wall; T-shaped shear wall
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Prefabricated structure has prominent advantages such as easy control of construction quality, saving fabricating time and natural resources, and reducing environmental pollution and construction noise. The mostly used structural system in high-rise buildings is reinforced concrete shear wall structure, which has high load capacity and lateral stiffness. Focusing on the connection of reinforcements, three T-shaped partly prefabricated reinforced concrete shear walls and one cast-in situ specimen in same dimensions as a control group are tested under low-frequency cyclic loading to analyze their seismic performances in this paper. During the experiment, the axial compression ratio of specimens is fixed at 0.3, 0.4, and 0.5. Through the observation of phenomena and data analysis, hysteretic curve, skeleton curve, stiffness degradation, ductility, and load bearing capacity are compared and analyzed. The results show that partly prefabricated reinforced concrete shear wall has similar load bearing capacity with the cast in situ specimen, and it also has excellent ductility, stiffness, and energy-dissipating capacity. The experimental results and analysis indicate that partly prefabricated reinforced concrete shear wall has outstanding seismic performances; under effective and reliable design, it can be used in building structures to play the same role as cast in situ components.
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