Now showing items 21-40 of 15192

    • Analysis of soil-geogrid interaction and alternative soil layer approach for improved road embankment stability 

      Zakarka, Mindaugas; Skuodis, Šarūnas (Modern Building Materials, Structures and Techniques MBMST 2023, 5-6 October, Vilnius, Lithuania, 2024)
      Road embankments are critical elements of modern transportation infrastructure that provide support and stability to the roadway. However, embankments can be vulnerable to slope instability due to factors such as poor soil ...
    • Lightweight portland cement mixtures with perlite for 3D printing of concrete structures 

      Skripkiūnas, Gintautas; Girskas, Giedrius; Rishko, Liudmyla (Modern Building Materials, Structures and Techniques MBMST 2023, 5-6 October, Vilnius, Lithuania, 2024)
      3D printed concrete is a special type of concrete that can be laid through a 3D printer layer by layer without any formwork support or vibration. Important performance indicators of this concrete: rheology, mechanical ...
    • Intermediate till soil properties and distinctive features 

      Lekstutytė, Ieva; Moliakovaitė, Greta; Žaržojus, Gintaras; Gadeikis, Saulius; Skuodis, Šarūnas (Modern Building Materials, Structures and Techniques MBMST 2023, 5-6 October, Vilnius, Lithuania, 2024)
      All the sediments discharged from the Quaternary glaciers differ in their granulometric and mineral composition. Tills, sands, and clays cover unevenly sized areas in various places. However, during engineering geological ...
    • Effect of low oxidation graphene oxide on physical and mechanical properties of MCC type refractory castable 

      Kudžma, Andrius; Antonovič, Valentin; Škamat, Jelena; Stonys, Rimvydas; Malaiškienė, Jurgita; Gribniak, Viktor (Modern Building Materials, Structures and Techniques MBMST 2023, 5-6 October, Vilnius, Lithuania, 2024)
      The present work investigates medium cement content (MCC) refractory castable modified by graphene oxide (GO) having oxidation degree of ~ 4. For the evaluation of the effect of GO on the hydration and structure of the ...
    • Influence of industrial waste pozzolanic additives on the structure and properties of expanded glass granules cement-based composite 

      Sikarskas, Donatas; Antonovič, Valentin; Malaiškienė, Jurgita; Boris, Renata; Stonys, Rimvydas (Modern Building Materials, Structures and Techniques MBMST 2023, 5-6 October, Vilnius, Lithuania, 2024)
      In this article, the impact of industrial waste pozzolanic additives (spent fluidized bed cracking catalyst waste FCCW and metakaolin from the production of expanded glass granules MW) on the structure and properties of ...
    • Effect of glass processing waste content on concrete properties 

      Pocius, Edvinas; Nagrockienė, Džigita; Pundienė, Ina; Girnienė, Ingrida (Modern Building Materials, Structures and Techniques MBMST 2023, 5-6 October, Vilnius, Lithuania, 2024)
      In this study, a concrete was prepared using glass processing waste, which replaced a certain amount of cement. These experiments were conducted to determine how the amount of glass processing waste affects the properties ...
    • Discrete cracks approach for deformational analysis of reinforced concrete beams 

      Balevičius, Robertas; Merkevičiūtė, Dovilė (Modern Building Materials, Structures and Techniques MBMST 2023, 5-6 October, Vilnius, Lithuania, 2024)
      The discrete cracks approach is proposed for deformational analysis of reinforced concrete members as an alternative method of the classical smeared crack techniques. It evaluates analytically the effects of concrete ...
    • Перспективи впроваждения пiходiв Industry 4.0 управлiння локомотивним парком залiзниць / 

      Боднар, Борис Є.,; Очкасов, Олександр Б.,; Petrenko, Viačeslav, (The 2nd International scientific and practical conference Logistics and transport security: Issues and development prospects in the context of analyzing contemporary challenges and threats : reprort materlals., 2023.)
      Проведено огляд основних напрямків впровадження підходів Industry 4.0 в удосконалення організації експлуатації та ремонту локомотивів. Виконано порівняння підходів Industry 3.0 та Industry 4.0, показано основні відмінності ...
    • Numerical simulation of the inkjet droplet interaction with a solid surface / 

      Tofan, Tim,; Menendez Hurtado, Alicia,; Kruggel-Emden, Harald,; Jasevičius, Raimondas, (AIP conference proceedings: International conference of numerical analysis and applied mathematics ICNAAM 2021, 20–26 September 2021, Rhodes, Greece., 2023.)
      This work aims at the numerical simulation and analyzation of inkjet droplet impact on a surface. The investigation is performed on the background of a printing process, whereby all phases the droplet undergoes are considered. ...
    • Neįstiklinto pratakaus saulės kolektoriaus tyrimas taikant skaičiuojamosios fluidų dinamikos metodą / 

      Piskulov, Martin,; Streckienė, Giedrė, (Darni aplinka : 26-osios Lietuvos jaunųjų mokslininkų konferencijos „Mokslas – Lietuvos ateitis“ straipsnių rinkinys, 2023 m. balandžio 14 d. = Sustainable environment : proceedings of the 26th conference for junior researchers “Science – Future of Lithuania”, 14 April 2023, Vilnius, Lithuania., 2023.)
      Neįstiklintas pratakus saulės kolektorius – puikus ekologiškas ir nemokamas būdas sušildyti į patalpas tiekiamą lauko orą, vartojant saulės energiją. Tai orinis saulės kolektorius, skirtas pro jį pratekančiam orui sušildyti ...
    • Employee acceptance of remote work / 

      Davidavičienė, Vida,; Davidavičius, Sigitas,; Pretorius, Leon, (ISEM. Proceedings of the 2nd international conference on industrial engineering, systems engineering and engineering managment, 2-4 October 2023, Somerset West, South Africa., 2023.)
      The development of Information and Communication Technologies caused an increase of remote work. This was followed by COVID pandemic which encouraged businesses to use it in even larger scale. However, not all employees ...
    • The impact of paper sludge waste on physical & mechanical properties of cementitious materials / 

      Vaičienė, Marija,; Banevičienė, Vilma,; Malaiškienė, Jurgita, (World multidisciplinary civil engineering-architecture-urban planning symposium - WMCAUS 2022 : 5 - 9 September 2022, Prague (Czech Republic)., 2023.)
      The global production of paper is on the rise, thus leading to increasing amounts of waste in different stages of paper manufacture. Paper sludge waste is the most abundant and there is a big potential to reuse it after ...
    • Žematemperatūrio šilumos tiekimo tinklo šilumos šaltinių termodinaminė analizė / 

      Papinigis, Jonas,; Bielskus, Juozas, (Darni aplinka : 26-osios Lietuvos jaunųjų mokslininkų konferencijos „Mokslas – Lietuvos ateitis“ straipsnių rinkinys, 2023 m. balandžio 14 d. = Sustainable environment : proceedings of the 26th conference for junior researchers “Science – Future of Lithuania”, 14 April 2023, Vilnius, Lithuania., 2023.)
      Padidėjęs šiuolaikinių pastatų energinis efektyvumas ir sumažėjęs šilumos poreikis leidžia keisti centralizuotuose šilumos tiekimo tinkluose taikomus sprendimus ir diegti naujus. Šilumnešio temperatūrinio režimo mažinimas ...
    • Pirolizuoto nuotekų valyklos dumblo gebos šalinti iš nuotekų fosfatus tyrimai / 

      Vilčiauskaitė, Aistė,; Šarko, Julita,; Mažeikienė, Aušra, (Darni aplinka : 26-osios Lietuvos jaunųjų mokslininkų konferencijos „Mokslas – Lietuvos ateitis“ straipsnių rinkinys, 2023 m. balandžio 14 d. = Sustainable environment : proceedings of the 26th conference for junior researchers “Science – Future of Lithuania”, 14 April 2023, Vilnius, Lithuania., 2023.)
      Vienas svarbiausių nuotekų valymo ir paviršinio vandens tvarkymo tikslų – sumažinti fosforo koncentracijos lygį vandenyje ir taip išvengti eutrofikacijos. Darbe sprendžiami fosforo šalinimo iš nuotekų klausimai. Fosforas ...
    • Ištraukiamojo patalpų oro naudojimo šilumos siurbliui „oras–vanduo“ galimybių tyrimas / 

      Žižys, Jonas,; Misevičiūtė, Violeta, (Darni aplinka : 26-osios Lietuvos jaunųjų mokslininkų konferencijos „Mokslas – Lietuvos ateitis“ straipsnių rinkinys, 2023 m. balandžio 14 d. = Sustainable environment : proceedings of the 26th conference for junior researchers “Science – Future of Lithuania”, 14 April 2023, Vilnius, Lithuania., 2023.)
      Straipsnyje analizuojamos šilumos siurblio „oras–vanduo“ sistemos, įrengtos daugiabučiame ir administraciniame pastatuose, naudojančios iš patalpų ištraukiamą orą. Tiriamasis objektas – Vilniaus daugiabutyje įrengta tokio ...
    • Stability of graphene quantum dots and doxorubicin aggregates evaluated by optical methods / 

      Zalieckas, Martynas,; Čirgelis, Vilius,; Padrez, Yaraslau,; Golubewa, Lena,; Karpič, Renata, (2023 IEEE Nanotechnology Materials and Devices Conference (NMDC), Paestum, Italy, 22-25 October 2023 : proceedings.., 2023.)
      The stability of blue and green luminescent graphene quantum dots and doxorubicin aggregates was evaluated by optical methods. During this study, the absorption and fluorescence spectra of GQD and DOX, as well as the ...
    • Theoretical aspects of assessing the investment attractiveness of socially responsible companies / 

      Tamošiūnienė, Rima, (UNITECH 2023 Gabrovo: international scientific conference, 17-18 November 2023, Gabrovo: proceedings. Vol. II., 2023.)
      In the modern business environment, socially responsible business becomes a significant business management tool that allows strengthening the company's competitiveness, so more and more business companies include aspects ...
    • Comparison of the efficiency of Baltic investment funds / 

      Tamošiūnienė, Rima,; Sucharevska, Katažyna, (UNITECH 2023 Gabrovo: international scientific conference, 17-18 November 2023, Gabrovo: proceedings. Vol. II., 2023.)
      In order to invest in suitable funds, it is necessary to evaluate and compare the activities of different investment funds whose units are traded on the different stock exchanges. In order to achieve a better result, it ...
    • A review article on waste management in East Africa communities using circular economy / 

      Agbebunmi, Oluwapelumi Oluwaseyi,; Vasarevičius, Saulius, (Darni aplinka : 26-osios Lietuvos jaunųjų mokslininkų konferencijos „Mokslas – Lietuvos ateitis“ straipsnių rinkinys, 2023 m. balandžio 14 d. = Sustainable environment : proceedings of the 26th conference for junior researchers “Science – Future of Lithuania”, 14 April 2023, Vilnius, Lithuania., 2023.)
      Solid garbage-organic, paper, plastic, and glass-makes up most East African waste. Only a small part of the East African Community’s solid waste is managed and composted. The rest are dumped in an unsanitary landfill, an ...
    • Study in durability of CR2O3-based ceramic cutting tools / 

      Siemiatkowski, Zbigniew,; Morozow, Dmitrij,; Rucki, Miroslaw,; Prokopiv, Mykola,; Nerubatskyi, Volodymyr,; Voloshina, Ludmila,; Hevorkian, Edvin, (Engineering for rural development: 22nd international scientific conference, May 24-26, 2023, Jelgava, Latvia: proceedings., 2023.)
      The research was performed in the context of feasibility examinations of chromia application as cutting tool materials. In the paper, a study on the Cr2O3 –based ceramic cutting tools is presented from the perspective of ...