Browsing Straipsniai kituose recenzuojamuose leidiniuose / Articles in other peer-reviewed sources by Author "Vaitkus, Saulius"
Now showing items 1-20 of 22
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Assessment of strength under compression of expanded polystyrene (EPS) slabs
Gnip, Ivan; Keršulis, Vladislovas; Vaitkus, Saulius; Vėjelis, Sigitas (Medžiagotyra, 2004)The data obtained in testing expanded polystyrene (EPS) slabs subjected to short-term compression are discussed. The results demonstrated that the compressive strength of the slabs should be determined according to critical ... -
Determination of impregnation of polystyrene foam boards
Vėjelis, Sigitas; Vaitkus, Saulius (Medžiagotyra, 2006)Article gives analysis of experimental results of water absorption by expanded polystyrene slabs. The investigation was carried out applying different test methods. It was established that the most precise results of water ... -
Development and investigation of thermal insulation from hemp-polylactide fibres
Stapulionienė, Rūta; Tupčiauskas, Ramūnas; Vaitkus, Saulius; Vėjelis, Sigitas (Engineering structures and technologies, 2016)In the last two decades intensive grow of industry of building materials from renewable resources is observed. Such situation is related to some aspects: global warming, environmental pollution, impact on human health, ... -
Dimensionally stable water-blown polyurethane foam extended with bio-based propylene glycol and modified with paper waste sludge
Kairytė, Agnė; Ivdre, Aiga; Vaitkus, Saulius (Engineering structures and technologies, 2017)Paper waste sludge (PWS) is the main and the greatest by-product in paper production process, and its elimination as well as destruction is a primary environmental problem. This research explores the feasibility of such ... -
Experimental analysis of structure and deformation mechanisms of expanded polystyrene (EPS) slabs
Vaitkus, Saulius (Medžiagotyra: Presented at the National Conference "Materials Engineering’2006" (Kaunas, Lithuania, November 17, 2006), 2006)Durability and stability of polymeric foam products used in building application in most cases is associated with compressive strain. The mechanical characteristics of such products for the most part depend on the materials ... -
Investigation of energy efficient thermal insulating composites from hemp shives and starch
Kremensas, Arūnas; Vaitkus, Saulius; Vėjelis, Sigitas; Kairytė, Agnė; Balčiūnas, Giedrius (International journal of engineering science invention, 2017)This work presents the investigation results of physical-mechanical properties of fibrous hemp composite specimens produced from hemp shives and starch used as a binding material. For this purpose specimens with different ... -
Investigation of water absorbtion by expanded polystyrene slabs
Vėjelis, Sigitas; Vaitkus, Saulius (Medžiagotyra, 2006)Article gives analysis of experimental results of water absorption by expanded polystyrene slabs. The investigation was carried out applying different test methods. It was established that the most precise results of water ... -
Kompozicinių termoizoliacinių medžiagų iš vietinių atsinaujinančių išteklių šilumos laidumo tyrimai
Balčiūnas, Giedrius; Vėjelis, Sigitas; Vaitkus, Saulius (Mokslas – Lietuvos ateitis = Science – future of Lithuania: aplinkos apsaugos inžinerija, 2011)Termoizoliacinės medžiagos iš vietinių atsinaujinančių išteklių vis plačiau naudojamos dėl dviejų priežasčių jos yra ekologiškos ir jų gamybai reikalingi maži energijos kiekiai. Iš atsinaujinančių išteklių labiausiai paplitę ... -
Physical-mechanical properties of composites from hemp shives and starch
Kremensas, Arūnas; Kairytė, Agnė; Vaitkus, Saulius; Vėjelis, Sigitas (International journal of engineering science invention, 2018)Currently, the main aim is to use as little fossil resources as possible by replacing them with natural renewable resources. Generally, for the production of building composite materials, cementitious binders or various ... -
The impact of chain extender on the properties of polyurethane foam based on rapeseed oil polyol obtained via chemo–enzymatic route
Kairytė, Agnė; Vaitkus, Saulius; Balčiūnas, Giedrius (Engineering structures and technologies, 2016)Presently, researches regarding green chemistry are conducted due to its significance for the mitigation of environmental problems, particularly those related to carbon dioxide emissions in relation to global warming and ... -
The research on expanded polystyrene slabs bending strength and bending stress
Vėjelis, Sigitas; Vaitkus, Saulius; Vėjelienė, Jolanta (Medžiagotyra, 2004)The results of expanded polystyrene slabs bending strength and bending stress analysis are presented in this article. The influence neither of short- nor of long-term loads was estimated, therefore, the characteristic of ... -
Гипотетическое значение деформации ползучести полистирольного пенопласта при постоянном сжимающем напряжении на основании начального экспериментального периода деформирования
Gnip, Ivan; Vaitkus, Saulius (Строительные материалы = Construction materials : доклады конференции "Нанотехнологии в строительстве" = reports of the VI International conference «Nanotechnologies in construction», 22–24 March, Cairo, 2014)Hypothetic value of creep deformation of polystyrene plastic foam under the constant compressing stress on the basis of initial experimental period of deforming Results of the study of foam polystyrene slabs(EN 13163) creep ... -
Деформативность и прочность полистирольного пенопласта при сдвиге под кратковременной нагрузкой
Gnip, Ivan; Vėjelis, Sigitas; Keršulis, Vladislovas; Vaitkus, Saulius (Механика конмпозитных материалов, 2007) -
Деформативность пенополистирола при кратковременном сжатии
Gnip, Ivan; Keršulis, Vladislovas; Vaitkus, Saulius; Vėjelis, Sigitas (Строительные материалы, 2004)Выполнены исследования деформативности пенополистирола при кратковременном сжатии. Экспериментально определена величина деформации Eкр, соответствующая резкому уменьшению начальной жесткости пенополистирольных плит различной ... -
Деформативность полистирольного пенопласта при кратковременном сжатии
Gnip, Ivan; Vaitkus, Saulius; Keršulis, Vladislovas; Vėjelis, Sigitas (Механика композитных материалов, 2007) -
Деформируемость минераловатных плит при длительном сжатии
Gnip, Ivan; Vaitkus, Saulius (Строительные материалы = Construction materials, 2014)Results of the study of creeping of mineral wool (MW) slabs under compressive stresses σс within the relative interval of 0,25σс/σ10%0,6 are presented. According to the experimental data the field of linear creeping at ... -
Доверительные интервалы прогноза деформаций ползучести пенопласта из полистирола
Gnip, Ivan; Keršulis, Vladislovas; Vaitkus, Saulius (Строительные материалы, 2005)Наиболее достоверные данные о длительной ползучести могут быть получены при постановке длительных экспериментов. Однако это трудоемкий способ. Задача облегчается при использовании метода экстраполяции процесса ползучести, ... -
Исследование релаксации напряжения в полистирольном пенопласте в условиях одноосного сжатия с использованием математико-статистического планирования эксперимента
Vaitkus, Saulius; Gnip, Ivan (Строительные материалы : ежемесячный научно-технический и производственный журнал, 2015) -
Прогнозирование деформативности пенополистирола при длительном сжатии
Gnip, Ivan; Keršulis, Vladislovas; Vaitkus, Saulius; Vėjelis, Sigitas (Строительные материалы, 2005) -
Прогностическая оценка деформации ползучести полистирольного пенопласта (EPS) при постоянном сжатии
Gnip, Ivan; Vaitkus, Saulius; Vėjelis, Sigitas (Строительные материалы : ежемесячный научно-технический и производственный журнал, 2013)