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Article · Вестник гражданских инженеров · January 1, 2023

Forecasting of the bearing capacity of piles in a bilinear formulation based on the results of pile tests

Askar Zhussupbekov, V. M. Ulitsky, V. M. Polunin, A. Yu. Shvaluchinsky

Abstract

The article analyzes the possibility of using the analytical method for forecasting the bearing capacity of piles in a bilinear formulation for prefabricated piles. The pile bearing capacity forecasting method in a bilinear formulation is an alternative pile bearing capacity forecasting technique that allows obtaining a load-settlement graph for a single pile, which makes it possible to forecast the pile bearing capacity in an analytical formulation. There were carried out 12 full-scale tests of bored piles and 19 factory-made piles for static indentation load. For each test, there was performed a numerical simulation of pile testing for a static indentation load and an analytical calculation of the bearing capacity of the pile in a bilinear formulation. The results of the analytical calculation are compared with the results of field tests of piles and the results of numerical simulation. Based on a comparison of calculated and experimental data, conclusions have been made about the possibility of using an analytical calculation of the bearing capacity of piles in a bilinear formulation.

Geotechnical Engineering and Soil MechanicsGeotechnical Engineering and Soil StabilizationGeotechnical Engineering and Analysispile bearing capacityanalytical predictionload-settlement curve

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