| Issue |
E3S Web Conf.
Volume 648, 2025
International Conference on Civil, Environmental and Applied Sciences (ICCEAS 2025)
|
|
|---|---|---|
| Article Number | 01010 | |
| Number of page(s) | 9 | |
| Section | Civil Engineering | |
| DOI | https://doi.org/10.1051/e3sconf/202564801010 | |
| Published online | 08 September 2025 | |
Spatial Interpolation of Geotechnical Properties Using EBK, IDW, and Kriging: A Case Study in Astana, Kazakhstan
1 Department of Civil Engineering, L.N. Gumilyov Eurasian National University, 010008 Astana, Kazakhstan
2 School of Architecture, Civil Engineering and Energy, D. Serikbayev East Kazakhstan Technical University, 070004 Ust-Kamenogorsk, Kazakhstan
3 Faculty Department of Civil Engineering and Building Materials, Satbayev University, 050043 Almaty, Kazakhstan
4 Solid Research Group, LLP, 010000 Astana, Kazakhstan
* Corresponding author: karaulovsabit1997@gmail.com
This paper investigates the performance of interpolation methods for defining intermediate geotechnical soil properties, such as Empirical Bayesian Kriging (EBK), Inverse Distance Weighting (IDW), and ordinary Kriging. The interpolation results were visualized in the form of heatmaps, which allowed for the evaluation of the spatial variability of soil characteristics. The differences between the obtained values were also quantitatively analysed utilizing histograms. Borehole data from a construction site in Astana were processed in ArcGIS Pro using EBK, IDW, and Kriging methods to interpolate cohesion, friction angle, and deformation modulus between observation points. Results showed differences in value ranges and distribution patterns, with EBK providing smoother and more stable estimates in sparsely sampled transition zones, while also acknowledging the dependence on data density and interpolation assumptions.
© The Authors, published by EDP Sciences, 2025
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