Iris Publishers- Open Access Journal of Civil Engineering

  Iris Publishers- Open Access Journal of Civil Engineering


Approach to Increasing the Carrying Capacity of the Pile Base


The problem of increasing a foundation bearing capacity is always an urgent problem in geotechnical construction. With increased loads on the base, the use of traditional technologies is not always justified. It is necessary to use non-traditional bases strengthening methods. Most often, the situation is aggravated by the presence of weak underlying layers with unstable physical and mechanical characteristics in the engineering-geological sections. When reinforcing such bases with the help of traditional piles, they can get negative friction, reducing their bearing capacity by the ground. This article presents a developed algorithm for the construction of combined soil-concrete bored piles with simultaneous fixing of weak engineering and geological elements. At the same time, in areas with weak layers along the length of the piles, the developed geotechnical technology makes it possible to arrange broadenings obtained from the joint use of get-technology for the construction of soil-cement piles and the electric-discharge technology of bored electric discharge piles. The final result of the new technology is a soil-concrete pile with multi-seat broadenings, and which has an increased bearing capacity by the soil. In addition, in addition to the construction of deep reinforced concrete structures, in the presence of layers with reduced values of strength and increased deformation characteristics requires a special approach. Modern geotechnical construction in its arsenal has the methods and technologies to solve these complex problems. The use of advanced computer programs allows the development of geotechnical objects of any complexity. In order to identify the most acceptable geotechnical technology, the interactive design method must be used. This is “a developed project - an experimental site - a real project.” At the same time, this type of design should be multivariate using various geotechnical technologies and deep geotechnical reinforced concrete structures. Any stage in design must be economically sound and technically feasible. Often you have to deal with the geological conditions of construction sites, in the engineering and geological incisions of which there are overlapping layers with weak physical and mechanical indicators.


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