Experimental Investigation of Axially Loaded Precast Sandwich Panels

This paper reports the results of three thin wythe precast sandwich panels tested under axial load. Panel reinforcements and shear connectors in the current state of precast sandwich panels in the civil construction context are evaluated. The authors measured displacement at two distinct panel heights as well as along the panel width to provide load–displacement behavior at the cross-section level and broaden the experimental data on the subject. The test results developed in this research showed good agreement with the results available in the literature. In addition, as concrete-wall panel strength equations have been linked to the compressive behavior of precast sandwich panels, a brief review of empirical formulae is also offered in this paper. Moreover, empirical data since 2005, on both concentrical and eccentrical load testing available in the literature, are also reported.

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