Processing of engineering and geological survey data for determining parameters of the hardening soil model on the example of clay soils in the Nizhny Novgorod region
https://doi.org/10.37538/2224-9494-2024-4(43)-110-122
EDN: JPZLWT
Abstract
Introduction. The paper examines the key aspects of obtaining parameters for the hardening soil model used in the analysis of soil bases. This model is increasingly popular due to its effectiveness in calculating various structures, such as pile foundations, retaining walls, and anchorages.
Aim. To analyze the experience of obtaining parameters for the hardening soil model based on laboratory data derived from engineering and geological surveys.
Materials and methods. The methodology involved analyzing and processing the results of laboratory studies on soils in the Nizhny Novgorod region. The laboratory tests were performed as part of engineering surveys. The parameters were optimized and the model was calibrated for the obtained parameters of the hardening soil model using the Plaxis software suite, specifically within the Soil Test module.
Results. A set of design parameters was obtained for the hardening soil model. A comparison between laboratory results and numerical modeling outcomes was performed to confirm the accuracy and reliability of these parameters. This stage of the study demonstrated that the optimized and calibrated parameters of the hardening soil model provide a high degree of consistency between laboratory data and numerical calculations.
Conclusions. Currently, no universally accepted methodology exists for processing the results of laboratory tests and statistical analysis. Overall, the analysis of results and parameter selection for implementing the calculation model remains at an expert level and is not regulated by normative documents. Further research in this area will enable the development of more effective methods and approaches, contributing to advancements in both science and practice in geotechnical engineering.
About the Authors
A. N. Maleeva
Research Institute of Bases and Underground Structures named after N.M. Gersevanov, JSC Research Center of Construction
Russian Federation
Russian Federation
Anna N. Maleeva*, Chief Specialist, Laboratory of Mechanics of Hazardous Natural and Technogenic Processes and Development of Engineering Protection Methods (No. 18), Research Institute of Bases and Underground Structures named after N.M. Gersevanov, JSC Research Center of Construction, Moscow
Ryazanskiy ave., 59, Moscow, 109428, Russian Federation
e-mail: gruntlab18@gmail.com
A. I. Kharichkin
Research Institute of Bases and Underground Structures named after N.M. Gersevanov, JSC Research Center of Construction; Moscow State University of Civil Engineering (National Research University)
Russian Federation
Russian Federation
Andrey I. Kharichkin, Cand. Sci. (Engineering), Head of the Laboratory of Mechanics of Hazardous Natural and Technogenic Processes and Development of Engineering Protection Methods (No 18), Research Institute of Bases and Underground Structures named after N.M. Gersevanov, JSC Research Center of Construction; Associate Professor, Department of Hydraulics and Hydraulic Engineering, Moscow State University of Civil Engineering (National Research University), Moscow
Ryazanskiy ave., 59, Moscow, 109428, Russian Federation; Yaroslavskoye Shosse, 26, Moscow, 129337, Russian Federation
e-mail: andrei.kharichkin@gmail.ru
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Review
For citations:
Maleeva A.N., Kharichkin A.I. Processing of engineering and geological survey data for determining parameters of the hardening soil model on the example of clay soils in the Nizhny Novgorod region. Bulletin of Science and Research Center of Construction. 2024;43(4):110-122. (In Russ.) https://doi.org/10.37538/2224-9494-2024-4(43)-110-122. EDN: JPZLWT
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