Abstract
In this paper, a novel steel-polyurethane foam-concrete-tube multilayer energy absorbing panel (SFCTMEAP) was proposed to enhance the impact resistance and energy absorbing capacity of infrastructures and buildings. The dynamic responses of the SFCTMEAP were studied and presented. The impact tests on the SFCTMEAP were first conducted to obtain their failure modes, impact forces and displacement responses. Two response stages were identified based on the impact force and displacement responses during the impact process, two failure modes were observed from the tests. The varying parameters considered in the drop weight impact tests included the width and thickness of the steel tube as well as the thickness of the concrete core. Moreover, the displacement, mean force and energy absorbing performance of the SFCTMEAP were discussed in detail.
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