What question did this study set out to answer?

To evaluate the residual compressive strength and radiation shielding efficiency of concrete incorporating waste granodiorite and ceramic powders after exposure to elevated temperatures.

January 28, 2025Scientific ReportsOpen Access

Influence of elevated temperature exposure on the residual compressive strength and radiation shielding efficiency of ordinary concrete incorporating granodiorite and ceramic powders

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To evaluate the residual compressive strength and radiation shielding efficiency of concrete incorporating waste granodiorite and ceramic powders after exposure to elevated temperatures.
Substituted cement with varying ratios of waste granodiorite powder (WGDP) and waste ceramic powder (WCP).
Tested compressive strength and radiation linear attenuation after thermal exposure at room temperature, 400 °C, 600 °C, and 800 °C.
Characterized microstructural alterations using X-ray diffraction (XRD), thermogravimetric analysis (TGA), and energy-dispersive X-ray spectroscopy (EDX).
A 7% replacement with WGDP increased compressive strength by 24.7% at room temperature, 26.1% at 400 °C, 22% at 600 °C, and 28% at 800 °C relative to control.
A 7% replacement with WCP improved compressive strength by 23.1% at room temperature, 23.5% at 400 °C, 25.6% at 600 °C, and 32.6% at 800 °C.
Microstructural analysis demonstrated enhanced pozzolanic activity and calcium silicate hydrate (CSH) formation, with 7% WCP providing superior attenuation against fast neutrons and gamma rays compared to ordinary concrete.

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Implication

Experimental study shows enhanced compressive strength and radiation shielding in waste-modified concrete, suggesting viable heat-resistant protective barriers.

Cite This Study

Mahmoud et al. (2025) studied this question.

synapsesocial.com/papers/6a9fffa2216b4ce72bba58d4 https://doi.org/10.1038/s41598-024-85043-2

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Implication

Experimental study shows enhanced compressive strength and radiation shielding in waste-modified concrete, suggesting viable heat-resistant protective barriers.

Influence of elevated temperature exposure on the residual compressive strength and radiation shielding efficiency of ordinary concrete incorporating granodiorite and ceramic powders

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Discussion

Implication

Cite This Study

Influence of elevated temperature exposure on the residual compressive strength and radiation shielding efficiency of ordinary concrete incorporating granodiorite and ceramic powders

Key Points

Discussion

Implication

Cite This Study

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