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Effects of Binder Types and Other Significant Variables on the Unconfined Compressive Strength of Chemical-stabilized Clayey Soil Using Gene-expression Programming by Van-Ngoc Pham; Erwin Oh; Dominic E. L. Ong is a Computer Science article available to read on EtoBox.

What is Effects of Binder Types and Other Significant Variables on the Unconfined Compressive Strength of Chemical-stabilized Clayey Soil Using Gene-expression Programming about?

## Abstract Soil stabilization is an in situ soil treatment in which soils are mixed with cementitious or other chemical stabilizing agents. Determining the unconfined compressive strength (UCS) of stabilized soil is a principal task in the design and construction of the ground improvement. Hence, this study aims to develop a reliable predictive model for the UCS of clay stabilization with common cementitious binders using the gene-expression programming (GEP) technique. Eleven parameters, including the soil characteristics, the binder types, the binder contents, the mixing method, and the curing period, were considered as the independent variables in the model. The research results show that the selected optimal GEP-based model performs well with an acceptable correlation coefficient (R = 0.951) and low errors (e.g., RMSE and MAE). Besides, parametric analyses indicate that the plastic index, the percentage of clay, and the total water content have a negative effect on the UCS of stabilized soil. In contrast, the percentage of silt and sand, the binder types, the binder contents, and the curing time show a positive effect on the strength of stabilized soil. In addition, the streng

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Author

Van-Ngoc Pham; Erwin Oh; Dominic E. L. Ong

Publisher

Springer Science and Business Media LLC

Published

2022

Language

EN

Field

Computer Science (Physical Sciences)