Abstract
The expansive polystyrene granule cement (EPSC) latticed concrete wall is a new type of energy-saving wall material with load-bearing, insulation, fireproof, and environmental protection characteristics. A series of shaking table tests were performed to investigate the seismic behavior of a full-scale reinforced concrete (RC) frame with EPSC latticed concrete infill wall, and data obtained from the shaking table test were analyzed. The experimental results indicate that the designed RC frame with EPSC latticed concrete infill wall has satisfactory seismic performance subjected to earthquakes, and the seismic responses of the model structure are more sensitive to input motions with more high frequency components and long duration. The EPSC latticed concrete infill wall provided high lateral stiffness so that the walls can be equivalent to a RC shear wall. The horizontal and vertical rebar, arranged in the concrete lattice beam and column, could effectively restrain the latticed concrete infill wall and RC frame. To achieve a more comprehensive evaluation on the performance of the RC frame with latticed concrete infill walls, further research on its seismic responses is expected by comparing with conventional infill walls and nonlinear analytical method.
Highlights
Reinforced concrete (RC) frames with brick or block masonry infill walls are commonly found in most parts of Europe and in other places around the world [1,2,3], including China
The wall material is based on expansive polystyrene granule cement (EPSC) elements; when these elements are assembled into a wall, they have a network of cylindrical cavities and provide a formwork for the liquid reinforced concrete
A series of shaking table tests were conducted to investigate the seismic performance of RC frame with EPSC latticed concrete infill wall
Summary
Reinforced concrete (RC) frames with brick or block masonry infill walls are commonly found in most parts of Europe and in other places around the world [1,2,3], including China. Zhou et al [18] conducted a series of cyclic lateral loading tests on latticed concrete wall to investigate effects of different aspect ratios on the seismic behavior. Few shaking table test results or numerical simulations are available in the literature on seismic performance of RC frame with EPSC latticed concrete infill wall. A series of shaking table tests on full-scaled RC frame structure with EPSC latticed concrete infill walls were carried out to investigate the seismic performance of the structure, and the experimental data were analyzed in this paper
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