Formula of the Design Resistance of Soil for Plate Foundations

Matvienko, J. O; Dyba, Vladimir; Matvienko, Maxim

doi:10.15593/2224-9826/2021.3.04

Cited by 2 publications

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“…[7,8], Murzenko A. Yu. [9], as well as the test experiment conducted by the authors [5]. The calculation results are summarized in Table 2.…”

Section: Resultsmentioning

confidence: 99%

“…Such plotting made use of Prandtl generalized solution for strip load with surcharge. Subsequently, the method was improved by Matvienko for a rectangular iron-concrete foundation [5]. The peculiarity of the method consists in the fact that it does not neglect the base in calculations by way of replacing it with contact stresses of different shapes, as was the case with predecessor methods, but, instead, takes it into account together with the foundation without detriment to strength characteristics of both the soil and the foundation.…”

Section: Theoretical Studiesmentioning

confidence: 99%

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Combined soil foundation analysis based on ultimate limit state

2023

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The paper defines an updated method for “soil – reinforced concrete foundation” calculation that takes into account their mutual interaction. In this method, both the foundation structure and the footing structure are represented by a rigid-plastic model, which makes it possible to determine the bearing capacity of the system. This method eliminates the possibility of destruction of the reinforced concrete foundation from punching to the exhaustion of its bearing capacity. It further presents the results of the test conducted by the authors at Novocherkassk School for Soil Mechanics Research to validate the theoretical calculations attained with the use of the proposed method, as well as the results of tray testing of reinforced concrete foundation models. The calculation of the bearing capacity by the modernized method gives values close to the results of experimental studies. The authors discuss the challenge of determining the strength of sand base, which is known to affect the calculation of load-bearing capacity, and further propose a solution that uses piecewise linear limit line of shear strength of soil and has been developed in an attempt to increase the accuracy of calculations.

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“…[7,8], Murzenko A. Yu. [9], as well as the test experiment conducted by the authors [5]. The calculation results are summarized in Table 2.…”

Section: Resultsmentioning

confidence: 99%

Section: Theoretical Studiesmentioning

confidence: 99%

Combined soil foundation analysis based on ultimate limit state

2023

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“…In fact, this load directly depends on the history of ground loading, from which we can conclude that for each design case, the load value will be variable and depend not only on the strength properties of the ground, but also on the deformation properties, the size of the pit, the time the pit was open, etc. [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Refinement of the Calculated Ground Resistance Value for the Volumetric Stress-Strain State

2023

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Despite the fact that the Mohr-Coulomb theory of strength appeared more than a hundred years ago, many authors are still conducting research in accordance with the recommendations to find optimal solutions to practical problems. From the Coulomb-Mohr theory, a huge number of methods for solving applied problems were formed, for example, the initial critical load, which is useful for research in the article. This formula is no longer new, but despite this, it is still the object of research. The authors of this article consider the case of the assumption, applying it when issuing a formula for the initial critical load. Based on the initial critical load, a formula for the design soil resistance was obtained, which is still regulated by codes and standards in the field of design. The authors reflect the main ependencies that appear in the calculation of the stress-strain state in soil mechanics. Based on these dependencies, the amount of allowable stress is revealed, under which the condition of linear deformability will be satisfied. The authors have shown that the proposed formula for any stability parameters will correspond to the Mohr-Coulomb limit state condition. The conclusion of the article compares the effect of the formula obtained by the authors and the recipe of the formula obtained by N.P. Puzyrevsky.

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Formula of the Design Resistance of Soil for Plate Foundations

Cited by 2 publications

References 0 publications

Combined soil foundation analysis based on ultimate limit state

Combined soil foundation analysis based on ultimate limit state

Refinement of the Calculated Ground Resistance Value for the Volumetric Stress-Strain State

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