Abstract
In order to satisfy requirements of fireproof and thermal insulation property of lightweight steel and lightweight concrete structures, an innovative prefabricated lightweight concrete shear wall with channel sections framing is developed. This paper focuses on axial compressive behavior of the wall. Two full-scale specimens are tested under axial compressive loads. The compressive strength of ceramsite-foamed concrete is varied to investigate their impacts on axial bearing capacity and axial compressive stiffness of the specimens. The failure modes, load-displacement curves, and deformability of the specimens are also investigated. Test results show that the failure modes of shear wall are mainly local bucking failure of channel sections framing and local crushing of ceramsite-foamed concrete plate. Compared with the specimen infilled C7-grade ceramsite-foamed concrete, the axial bearing capacity and the axial compressive stiffness of infilled C10-grade ceramsite-foamed concrete specimen are increased by 15.6% and 16.3%, respectively. Therefore, this study can provide a reference for further research on the axial compression performance of the prefabricated lightweight concrete shear walls with channel sections framing.
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