Fig. 1: Design gradation curve of the materials and statistical correlations of the laboratory test results. | Nature Communications

Fig. 1: Design gradation curve of the materials and statistical correlations of the laboratory test results.

From: Kriging-based surrogate data-enriching artificial neural network prediction of strength and permeability of permeable cement-stabilized base

Fig. 1

a Aggregate gradation of PCBM (cumulative mass percentage). b Results of the correlation analysis of the various indices of PCBMs. Where PCBM represents permeable cement-stabilized base material, K represents the coefficient of permeability, P represents the porosity, F represents the compaction force, C represents the cement content, and \({{{{{\rm{\sigma }}}}}}\) represents the unconfined compressive strength.

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