RESEARCH OF STRENGTH CHARACTERISTICS OF COARSE CLASTIC MATERIAL OF A HIGH EARTHEN DAM
Aubakirova F.Kh. Dossaliyev K.S. Ibragimov K. Nazarov K.I. Budikova А.М.
2024National Academy of Sciences of the Republic of Kazakhstan
News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2024#2024Issue 619 - 31 pp.
Currently, in the construction of earth dams and other structures associated with large volumes of coarse-grained materials, multi-fraction rock mass is used instead of sorted stone. Therefore, in construction practice there is increasingly a need to determine the granulometric composition of various coarse ground. Correct determination of the design characteristics of the gravel-pebble mixture and rock mass is extremely important, since this affects the choice of an economical design solution, effective technology for its construction, and troublefree operation of the constructed structure. The issue of determining the strength characteristics of coarse soil used as a dam material in hydraulic engineering is still relevant in the practice of domestic and world engineering surveys. The presence of large inclusions in the soil does not allow the use of standard instruments and requires the development of special instruments and special techniques. The article discusses a plane shear device, provides a methodology for conducting laboratory studies of the strength characteristics of coarse-grained soil and processing its results. Analysis of laboratory research results shows that a decrease in strength occurs with an increase in stress. This should be taken into account when constructing the thrust prism of the dam, which is the main element of the upper cofferdam, i.e. the thrust prism should be erected in accordance with the requirements of its charged state and uniformity of the material should be achieved when laying soil in different zones of the dam body, this will ensure uniformity of strength properties. A change in the strength properties of coarse soil depending on the grain composition of the stone at the same degree of compaction is possible only by increasing the coefficient of engagement.
coarse soil , model mixture , plane shear device , soil strength characteristics , stress state , vertical and horizontal deformations
Text of the article Перейти на текст статьи
Department “Industrial, civil and road engineering”, South Kazakhstan University named after M. Auezov, Shymkent, Kazakhstan
Hydroproject Institute, Tashkent, Uzbekistan
Department “Architecture and construction production”, Kyzylorda University named after Korkyt Ata, Kyzylorda, Kazakhstan
Department “Industrial
Hydroproject Institute
Department “Architecture and construction production”
10 лет помогаем публиковать статьи Международный издатель
Книга Публикация научной статьи Волощук 2026 Book Publication of a scientific article 2026