The influence of fiber reinforcement on the physico-mechanical properties and microstructure of artificial stones with marble and quartzite waste aggregates.

Fiber reinforcement in artificial quartzite maintained compressive strength (up to + 5% relative to the control) and showed a trend toward improved flexural strength (up to + 12.6% in the optimal formulation).

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In contrast, artificial quartzite showed no significant reduction (F(7, 28) = 2.33, p = 0.054), the p-value approached significance, indicating a trend toward improvement with fiber addition, particularly at low PP doses (up to + 12% in AQ-0.25PP).

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This finding is highly significant and clearly demonstrates that, in addition to the resin, the aggregate type plays a critical role in the strength of the artificial stone.

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