Understanding the mechanical and structural characteristics of soil is vital in geotechnical engineering. To ascertain the soil's capacity for bearing, the shear strength parameters of clayey soils are very important. Earlier, these were determined by the lab and field tests, but advancements now provide more accurate and reliable predictions using ensemble techniques. These techniques uses results of numerous prediction models to obtain better results than in case of using single model. This research aims to identify the cohesion and angle of internal friction values of various clayey soils by employing an ensemble approach. Triaxial (UU) laboratory tests conducted on different projects were analyzed and estimated. The evaluation revealed that the outcomes of the process are almost similar to the conventional laboratory methods. It was observed that the ensemble technique provided accurate and consistent results. In conclusion, this approach seems to have many opportunities as a rather effective and efficient method that offers several advantages when it comes to understanding shear strength parameters in geotechnical engineering. Finally, in order to maximize the significant benefits represented by the enhanced accuracy and inherent reliability of the ensemble technique, it may be advantageous to incorporate the method for estimating soil parameters into their practice. However, if the presented method were integrated into more complex approaches toward the analysis of geotechnical data, and the efficiency of the presented method were to be compared in various types of soils and field sites, it would also enhance the understanding of its efficacy in real world scenarios.

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An Ensemble Approach for Estimating Shear Strength Parameters of Clayey Soils

  • Biplab Mandal,
  • Chandreyee Chakroborty,
  • Pampa Mandal

摘要

Understanding the mechanical and structural characteristics of soil is vital in geotechnical engineering. To ascertain the soil's capacity for bearing, the shear strength parameters of clayey soils are very important. Earlier, these were determined by the lab and field tests, but advancements now provide more accurate and reliable predictions using ensemble techniques. These techniques uses results of numerous prediction models to obtain better results than in case of using single model. This research aims to identify the cohesion and angle of internal friction values of various clayey soils by employing an ensemble approach. Triaxial (UU) laboratory tests conducted on different projects were analyzed and estimated. The evaluation revealed that the outcomes of the process are almost similar to the conventional laboratory methods. It was observed that the ensemble technique provided accurate and consistent results. In conclusion, this approach seems to have many opportunities as a rather effective and efficient method that offers several advantages when it comes to understanding shear strength parameters in geotechnical engineering. Finally, in order to maximize the significant benefits represented by the enhanced accuracy and inherent reliability of the ensemble technique, it may be advantageous to incorporate the method for estimating soil parameters into their practice. However, if the presented method were integrated into more complex approaches toward the analysis of geotechnical data, and the efficiency of the presented method were to be compared in various types of soils and field sites, it would also enhance the understanding of its efficacy in real world scenarios.