Посмотр Серия Технические науки и технологии по названию

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    • A unified approach for temperature and strength control of concrete 

      Aniskin, A.; Tulebekova, A. (L.N.Gumilyov Eurasian National University, 2021)
      The development of theoretical and experimental research in the field of quality control has led to the development of many methods for assessing the strength of concrete. The temperature-strength control (TSCC) method, which is based on the relationship between concrete temperature and curing time, is the most adapted method for quickly determining the strength of the concrete ...
      2023-06-02

    • Adaptation of Eurocode «Geotechnics-7» in the Building Norms of the Republic of Kazakhstan 

      Zhakulin, A.S.; Zhakulina, A.A.; Zhautikova, S.A.; Yessentayev, A.U. (L.N.Gumilyov Eurasian National University, 2020)
      The introduction of Building Norms in construction in Republic of Kazakhstan taking into consideration principles of Eurocode «Geotechnics-7” in 2015-20 predetermines necessity of revision and clarification of provision of building codes and national standards for the design ground foundations. Building norms of foundation design developed nearly 40 years ago for the vast ...
      2023-06-01

    • Analysis of O-Cell Loading Piling Test at construction site of Expo 2017, Nur-Sultan, Kazakhstan 

      Ashkey, E.; Zhussupbekov, A.Zh.; Dosmukhambetova, B.K. (L.N.Gumilyov Eurasian National University, 2020)
      The International Exposition took place in 2017 in Nur-Sultan, Kazakhstan as The EXPO 2017 on Future Energy. This project has Center of the Arts, Energy Hall and even a city with an indoor shopping and entertainment pavilions. EXPO complex occupies 173.4 hectares. The leading construction companies built the «city of the future». Foundation of the EXPO 2017 project was ...
      2023-06-01

    • Calculation method of the working body of a hydraulic excavator 

      Togizbayeva, B.B.; Sazambayeva, B.T.; Kenesbek, A.B.; Kinzhebayeva, A.S. (L.N.Gumilyov Eurasian National University, 2018)
      This article discusses the method of calculating the design of a hydraulic excavator with an additional working body in the form of a milling cutter for cutting hard rock, spent asphalt, frozen soils. The review, collection and analysis of patents, copyright certificates on the designs of technical solutions for multifunctional structures of the working body of a hydraulic ...
      2023-05-30

    • Checking Integrity of Bored Piles Using Two Methods: Low Strain Method and Cross-Hole Sonic Logging - Experience of Application 

      Shakirova, N.; Zhussupbekov, A.Zh.; Alibekova, N.; Morev, I.; Borgekova, K. (L.N.Gumilyov Eurasian National University, 2020)
      At present, in Astana city is going on works by construction public transport system LRT (Light Railway Transport). LRT is an overhead road with two railway lines. The first stage of construction is including construction of overhead road (bridge) with 22,4 km length and 18 stations. The foundation of bridge is the bored piles with cross-section 1.0÷1.5 m and length 8÷35 m. ...
      2023-06-01

    • Commissioning Test of Distributed fiber-optics sensors during foundation monitoring of the Abu Dhabi Plaza construction project in Nur-Sultan City 

      Buranbayeva, А.; Zhussupbekov, А. (L.N.Gumilyov Eurasian National University, 2022)
      Distributed fiber optic cable is in increasing demand in civil engineering, especially in the field of structural condition monitoring. The characteristics of fiber optic cable have attracted the interest of engineers and researchers in recent years. This paper describes an operational test of a distributed fiber optic cable to determine its effectiveness in detecting cracks ...
      2023-06-02

    • Comparison of information security methods of information-communication infrastructure: Multi-Factor Authentication 

      Safin, R.R.; Abdiraman, A.S.; Nurusheva, A.M.; Aldasheva, L.S. (L.N.Gumilyov Eurasian National University, 2022)
      Sensitive information was always one of the big trade-offs we always exchange big secrets for small ones. On one hand, memorization of small secrets on the other hand tons of services requires a dedicated secret for each one. And when one of the services will be compromised it affects all services with the same password and credential. The main purpose of this article is to ...
      2023-06-02

    • Comparison of the results of pH measurements in a buffer solution 

      Baikhozhayeva, B.U.; Zhumagali, A.K.; Moldakhmetova, A.E. (L.N.Gumilyov Eurasian National University, 2021)
      As a result of the increasing need to study the choice of the assigned value during the inter-laboratory comparisons is becoming more and more relevant. Since the assigned value is a reference point when comparing the results of the participants of the qualification test. Frequently, qualification verification providers face a number of problems when choosing the assigned ...
      2023-06-02

    • Cовременные методы подготовки добавочной воды на тепловых электростанциях и производство дешевой опресненной воды 

      Тютебаева, Г.М.; Маханова, М.А.; Шағбан, Е.Т. (ЕНУ им. Л.Н. Гумилева, 2018)
      В статье предложен ряд технических решений для обессоливания воды с высоким солесодержанием. В последнее время идет плановое замещение мощностей опреснительного комплекса, производится замена выработавших свой нормативный эксплуатационный ресурс дистилляционных установок в Мангистауском атомном энергетическом комбинате (МАЭК). В данной статье рассмотрены современные ...
      2023-05-30

    • Determination of the technical level of excavator structures based on parametric analysis 

      Togizbayeva, B.; Suleyev, B.; Kuanyshuly, Zh.; Kenesbek, A. (L.N.Gumilyov Eurasian National University, 2022)
      The article is devoted to the definition of promising excavator designs. The paper presents current models of excavators operating on the territory of the Republic of Kazakhstan. The main technical characteristics of the machines are considered. Statistical analysis and processing in the software environment were carried out. Summary statistics for each of the selected data ...
      2023-06-02

    • Development and research of automated heat point in improving the quality of heating and hot water supply systems in Kazakhstan 

      Abdugulova, Zh.K.; Kisikova, N.M.; Kuanay, A.E. (L.N.Gumilyov Eurasian National University, 2018)
      The article discusses the need to improve the quality of heating and hot water heat supply enterprises of Kazakhstan, and reduce the cost of energy production Gcal under increasing requirements to them. Recently, much attention is paid to issues related to sustainable energy. The automated heating system can be connected to a district heating network and a dependent and independent ...
      2023-05-30

    • Development of transit potential in conditions of integration of the Republic of Kazakhstan into International transport system 

      Suleimenov, Т.B.; Sultanov, Т.Т.; Tlepiyeva, G.M. (L.N.Gumilyov Eurasian National University, 2018)
      In this paper, the writers consider the current state of the transport logistics of the Republic of Kazakhstan, its integration into the international transport system, and also describes the further development of the transport and logistics infrastructure as an indispensable condition for the development of the Kazakh economy and ensuring the interests of the country’s ...
      2023-05-30

    • Effectiveness of reinforcement on soil subsidence 

      Tulebekova, A.; Tanyrbergenova, G.; Zhankina, A.; Baizakova, G. (L.N.Gumilyov Eurasian National University, 2023)
      The application of methods of improvement of ground bases in subsidence areas is an urgent issue today. This is evidenced by the continuing difficulties with the operation of transport structures. This study presents experimental studies of soil reinforcement. An important factor is to determine the properties of the soil, so the paper presents the results of laboratory tests. ...
      2023-06-05

    • Electronic structure modification and negative magnetostriction in Fe-Ga alloy of D03 structure with Ga content variation 

      Inerbaev, T.M.; Abuova, A.U.; Dauletbekova, A.K.; Abuova, F.U.; Zhuman, B. (L.N.Gumilyov Eurasian National University, 2022)
      The influence of a change in the Ga content on the magnetostrictive properties of the Fe3Ga alloy with the D03 structure has been studied by density functional theory methods. The change in the stoichiometry of the alloy under study was carried out by replacing the Fe atoms with Ga. The replacement leads to a significant change in the electronic structure of the systems under ...
      2023-06-02

    • Evaluation of distribution of structural steels crack resistance characteristics at low temperatures 

      Jumabayev, A.A.; Abshenov, Kh.A.; Kaztuganova, G.A. (L.N.Gumilyov Eurasian National University, 2018)
      The results of the evaluation of distribution structural steels crack resistance characteristics with the use of mathematical statistics based on physically justified distribution laws are presented in the article. During the work estimated the structural steels of 09G2FB and 16G2SAF crack resistance characteristics at low temperatures using the criterion of fracture mechanics ...
      2023-05-30

    • Evaluation of frost heave in clay soils 

      Sarsembayeva, А.; Zhusshupbekov, A.; Collins, Ph.E.F. (L.N.Gumilyov Eurasian National University, 2021)
      Frost heaving in clayey soils with a low coefficient of permeability raises a lot of questions regarding the cryosuction, surface tension forces, and accompanying phase transfer of water. The freeze-thaw laboratory test results were considered in this work in terms of temperature and volumetric parameters change, dry density, and water mass transfer. The article presents a ...
      2023-06-02

    • Experience in pile testing on different construction sites 

      Tulebekova, A.S.; Ashkey, Ye.; Zhankina, A.K. (L.N.Gumilyov Eurasian National University, 2022)
      The paper presents the experience of soil testing with piles at various construction sites in Kazakhstan. Different methods are chosen in the field tests depending on the engineering and geological conditions and objectives. The choice of each is guided by the use of special equipment and devices. Soil tests with piles have an advantage to date. It is important to determine ...
      2023-06-02

    • Experience of using precast concrete joint piles in the construction of a Cargo offloading facility in West Kazakhstan 

      Borgekova, К. (L.N.Gumilyov Eurasian National University, 2019)
      The paper presents discussions of the bearing capacities of precast concrete joint piles from construction site of the port of Prorva located on the Northeast Caspian Sea. Precast concrete joint piles with cross-section of 40 cm × 40 cm with the total length of 27.5m were used first time in the West Kazakhstan. The piles bearing capacities were received by computational methods ...
      2023-05-30

    • Experimental investigations of model pile in freezing and thawing of soil ground 

      Zhussupbekov, A.Zh.; Shin, E. Ch.; Shakhmov, Zh.; Tleulenova, G. (L.N.Gumilyov Eurasian National University, 2020)
      This paper includes the short report about static load test of concrete piles (cross – section 4×4 cm and length of 60 cm) in seasonally freezing soil. Based on theoretical methods was calculated the ultimate load-carrying capacity of a pile by a simple equation as the sum of the load carried at the pile point plus the to frictional resistance (skin friction). There are several ...
      2023-06-01

    • Experimental studies in the field of storm water drainage 

      Zharkenov, Y.B. (L.N.Gumilyov Eurasian National University, 2020)
      The article describes the conducted experimental studies of surface runoff that fall into the storm network. The rest of the water is trapped in the unevenness of the soil, in the grass cover, partly seeps into the soil, and partly evaporates. Therefore, in order to determine the actual amount of water entering the network, a special correction factor ( ϕ < 1), called the ...
      2023-06-01