Fig. 12 | Scientific Reports

Fig. 12

From: Data-driven optimisation of sustainable high-performance concrete incorporating SCMs, biomass ash, and graphene nanoplatelets

Fig. 12The alternative text for this image may have been generated using AI.

(a, b, c) Comparative feature significance of the CNN LSTM, Random Forest, and XGBoost models trained on compressive strength at 28 days, split tensile strength at 28 days, and RCPT. (d) SHAP summary plots representing the direction and magnitude of individual feature contributions to the model outputs (red = high feature value, blue = low).

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