WORK OF PYRAMID PILES DEPENDING ON CONEQUENCY ANGLES

Abstract

One of the effective methods to ensure reliable operation of the structure is the use of pyramidal piles, which in comparison with prismatic piles have an increased bearing capacity due to the increase of the compacted area around the pyramidal pile in its upper part. In this paper, based on the consideration of the theoretical foundations of the rheology of clay soils and the use of the numerical method of boundary elements, the results of numerical studies of the behavior under the load of pyramidal piles are presented. Intensive development of soil mechanics, which significantly affects the cost-effectiveness of decisions, and the widespread use of computers have significantly brought fundamental mathematical problems in applications, strengthened their interaction. The use of a numerical experiment has more closely linked the physical content of a problem, its mathematical formulation, numerical calculation methods, and computers than ever before. Growing demands of construction practice lead to the complexity of applied tasks. Numerical experiment allows to allocate a rational grain, to describe the most important types of behavior of a base design, to carry out the mathematical substantiation, to write down the mathematical model which is checked by means of experiments. Due to the geological conditions of Ukraine in industrial and civil construction, it is advisable to use pyramidal piles, and the features of their interaction with the bases and theoretical calculation methods are insufficiently studied. The lack of reliable methods for estimating the bearing capacity of pyramidal piles leads to an increase in stock ratios, making imperfect decisions, and makes it difficult to widely implement them in construction practice. Therefore, the topic of VAT research of rational pyramidal piles is relevant today.