Three-Dimensional Evaluation Of The Stress-Strain Behavior Of The Jidalisay Earth Dam | American Journal of Applied Science and Technology

Authors

P. Matkarimov

Namangan State Technical University, Namangan, Uzbekistan
D. Juraev

National Research University “Tashkent Institute of Irrigation and Agricultural Mechanization Engineers,” Tashkent, Uzbekistan
Z.Kh. Kholboev

Namangan State Technical University, Namangan, Uzbekistan
S.Usmonhodzhaev

Namangan State Technical University, Namangan, Uzbekistan

DOI:

https://doi.org/10.37547/ajast/Volume05Issue10-40

Keywords:

Earth dam three-dimensional model stress state

Abstract

In this paper, based on D’Alembert’s variational principle, a mathematical model and algorithm are presented for studying the stress-strain state (SSS) of an earth dam with complex geometric parameters under static loads using a three-dimensional model. Taking into account the structural features of the dam, the SSS of the earth dam was investigated in a three-dimensional framework using the universal software package Abaqus.

It is shown that for analyzing the SSS of the Jidalisay Dam with complex geometric parameters under static loads, it is necessary to use exclusively three-dimensional models of the structure. The results demonstrated that deformations and stress states at each section depend on the dam’s geometric parameters, height, and the location of the selected section. It was also found that the normal stresses within the dam body are approximately symmetrical relative to the core center and increase from the top toward the foundation. At the same time, vertical stress σ₂₂ decreases in the core and its vicinity, forming the so-called “arch effect.” This mechanical phenomenon arises due to the use of different types of soil in constructing the dam core, transition zone, and supporting prisms.

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