About  accuracy in prescribing  piles’ bearing capacity

Babaev, V. M.; Metelitsa, Elena; Borisov, A. I.

doi:10.37538/2224-9494-2020-3(26)-23-31

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“…Given all the positive qualities of pile foundations, as well as their widespread use, the issues of finding reserves of bearing capacity of bored piles are of particular importance today. The accumulated experience of testing and observation of such piles indicates that their bearing capacity calculated by formulas and tables approved by state standards is lower than the actual bearing capacity determined by static tests, and sometimes by 2-3 times [21].…”

Section: Introductionmentioning

confidence: 98%

Finding reserves of bearing capacity of bored piles

Ushakova

2023

E3S Web of Conf.

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In recent years, due to population growth plans and accelerated economic development, high-rise buildings have become increasingly common in many cities and megapolises around the world. Due to the development of engineering construction, the type and technology of pile footing, which form the basis of such buildings, as well as the control of both single piles and a group of piles, have been significantly improved. At the same time, today the task of adequate assessment of the pile load capacity and justification of effective methods of revealing the reserves of its increase is actualized, because the manufacturing technology is constantly developing, in addition, often the functional purpose of the building itself, the type and intensity of the loads acting on it change. In view of the above, the purpose of the article is to investigate modern scientific- methodological approaches to search for reserves of bored pile load capacity. In order to carry out the study, the article used numerical methods for analyzing the stress-strain state of piles and means of the software package "Plaxis 3D Faundation". In the course of empirical experiments, it was found that the most acceptable results in the load testing of bored piles are given by the Shen method. Besides, the comparison of the results of static probing and static tests with theoretical calculations allowed to reveal the reserves of the actual pile load capacity, and also to determine on what parameters of its installation and characteristics the difference in load capacity depends more: the soil sciences in the pile base, pile diameter, pile length. Theoretical significance of the obtained results lies in the development of methodology for identifying reserves to increase the load capacity of bored piles. Conclusions have practical value that can be used in the process of laying the foundation of high-rise buildings to optimize the number and geometry of pile placement taking into account the reserve of their bearing capacity.

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Section: Introductionmentioning

confidence: 98%

Finding reserves of bearing capacity of bored piles

Ushakova

2023

E3S Web of Conf.

View full text Add to dashboard Cite

show abstract

About accuracy in prescribing piles’ bearing capacity

Cited by 1 publication

References 0 publications

Finding reserves of bearing capacity of bored piles

Finding reserves of bearing capacity of bored piles

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