Abstract
AbstractSteel‐plate composite (SC) structures have been studied and used in nuclear power plants since the 1990s. However, the seismic performance of the connection between SC wall and foundation has not drawn adequate attention. In this paper, four large‐scale SC‐wall‐to‐foundation connections were designed and tested under combined constant axial‐compression and cyclic in‐plane lateral‐force. Two types of construction details were considered, namely lap‐splice and embed‐ding. Through the general observations, all the specimens failed by flexure, as the crushing of concrete, yielding of dowel rebars or steel plates occurred. The in‐plane seismic performance of the connections including the load‐carrying capacity and ductility were summarized and analyzed. The existing equations for calculating the shear and flexural strength of SC walls subjected to in‐plane loading were evaluated with test results. Since test results show that both of the connection types are feasible for practical use, further investigations on the design of lap‐splice and embedding connections were recommended.
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