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EXPERIMENTAL STUDY ON THE IMPACT COMPRESSIVE BEHAVIOR OF REACTIVE POWDER CONCRETE

Yonghua Wang

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Abstract

Impact compressive experiments on reactive powder concrete (RPC) were carried out using split Hopkinson pressure technique. With different steel-fiber contents and different dynamic increase factors (DIF), stress-strain curves, dynamic compressive strength at different strain-rates were obtained. Results show that RPC is strain-rate-dependent, and the introducing of steel-fiber improves the dynamic compressive strength of the RPC partly.

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What this paper is about

Impact compressive experiments on reactive powder concrete (RPC) were carried out using split Hopkinson pressure technique. With different steel-fiber contents and different dynamic increase factors (DIF), stress-strain curves, dynamic compressive strength at different strain-rates were obtained. Results show that RPC is strain-rate-dependent, and the introducing of steel-fiber improves the dynamic compressive strength of the RPC partly.

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Available abstract

Impact compressive experiments on reactive powder concrete (RPC) were carried out using split Hopkinson pressure technique. With different steel-fiber contents and different dynamic increase factors (DIF), stress-strain curves, dynamic compressive strength at different strain-rates were obtained. Results show that RPC is strain-rate-dependent, and the introducing of steel-fiber improves the dynamic compressive strength of the RPC partly.

Key concepts: Compressive strength, Materials science, Strain rate, Composite material, Fiber, Split-Hopkinson pressure bar, Strain (injury), Structural engineering

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