Dataset for California Bearing Ratio Calculation

Collected datasets (real soil samples) comes from standard (ČSN EN 13286-47:2012), from papers published by (Sujatha et al., 2026) and (Nelson et al., 2023). The x coordinate represents penetration and the y coordinate represents load. The data was used in the numerical study of the paperMarek, Jaroslav; Tuček Jiří, Tuček, Pavel, On California Bearing Ratio Calculation: Application of Nonlinear Regression Approach with the Wood Function Approximation. 2026. References: Ch. Nelson, J. Muthuramalingam, H.E. Saad, and N. Tam, Bitumen Stabilised Open Graded Base Materials. Civil and Sustainable Urban Engineering 3(1) (2023), pp. 40-50. ISSN 2808-9200. Available from https://doi.org/10.53623/csue.v3i1.198. S. Sujatha, A. Kavyasri, V. Ragapriyadevi, and K.R. Srinidha, Performance Evaluation of Hybrid Natura Fibre Szabilization in Subgrade Soil, International Journal of Innovative Research in Technology 12(12) (2026), pp. 5393-5399. ISSN 2349-6002. Available from: https://ijirt.org/article?manuscript=200587 ČSN EN 13286-47:2012. Unbound and hydraulically bound mixtures - Part 47: Test method for the determination of California Bearing ratio, immediate bearing index and linear swelling. and Testing. ICS 93.080.20. 2012. Czech Office for Standards, Metrology