Special features of strength calculation for small-section precast reinforced concrete driven piles

The paper considers factory-made piles with a cross-section of 150×150 mm used in the construction of low-rise light houses. The authors present the results of calculating their bearing capacity in foundations with low and high pile caps. The bases related to various strength and deformation properties of soils are studied. The results are presented using spreadsheets. The forces in the pile cross-sections as part of the pile foundation were obtained using a software package for static calculation of building structures. The pile in the calculation scheme was modelled taking into account the lateral resistance of the soil and the influence of neighbouring piles. Based on the results obtained, graphs of the bearing capacity of piles were compiled depending on the ratio of the bending moment and longitudinal force in the design section. The authors provide recommendations for the use of driven reinforced concrete piles with a cross-section of 150×150 mm as part of the foundation, taking into account the conditions of connection with the pile cap structure.