Browsing Straipsniai kituose recenzuojamuose leidiniuose / Articles in other peer-reviewed sources by Research field "T 008 - Medžiagų inžinerija / Material engineering"
Now showing items 21-40 of 444
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Assessment of strength under compression of expanded polystyrene (EPS) slabs
(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 ... -
Atnaujinančiųjų medžiagų poveikis pasendinto polimerais modifikuoto kelių bitumo penetracijai ir minkštėjimo temperatūrai
(Mokslas – Lietuvos ateitis. Aplinkos inžinerija = Science – Future of Lithuania. Environmental engineering, 2021)Straipsnyje aprašomas polimeru modifikuoto kelių bitumo regeneravimo dviejų rūšių atnaujinančiosiomis medžiagomis efektyvumas. Pasirinktos dvi alternatyvios atnaujinančiosios medžiagos – aromatinė alyva Nygen 910 ir ... -
Atomic emission spectrometric analysis in the assessment of wearing of vehicle engines
(Medžiagotyra, 2004)Internal combustion engines are exposed to very difficult exploitation conditions: heavy loads and high temperature. Oil is used to reduce friction and wear of the mechanism parts. Different physical and chemical characteristics ... -
Aukštadažnio invertorinio maitinimo šaltinio panaudojimas virinant CO2 aplinkoje
(Konstrukcinės medžiagos ir suvirinimas, mokslo darbai, Nr. 1, 1994)Virinant CO2 aplinkoje paprastais maitinimo šaltiniais neišvengiamas gana didelis skysto metalo ištaškymas, kadangi suvirinimo procesas vyksta trumpais jungimais. Naudojant aukštadažnius invertorinius maitinimo šaltinius, ... -
Betono su biokuro deginimo pelenų priedu fizikinių ir mechaninių savybių tyrimai ir analizė
(Mokslas – Lietuvos ateitis. Statybos inžinerija = Science – Future of Lithuania. Civil Engineering, 2019)Tyrimams atlikti naudojamas portlandcementis CEM I 42,5 R, lakieji biokuro deginimo pelenai, smulkus užpildas 0/4 frakcijos smėlis, stambus užpildas 4/16 frakcijos žvirgždas, vanduo ir superplastiklis „Viscocrete D187(V)“. ... -
Betono su kristalizuojančiąja įmaiša fizikinių ir mechaninių savybių tyrimai
(Mokslas – Lietuvos ateitis. Statybos inžinerija = Science – Future of Lithuania. Civil engineering, 2022)Straipsnyje nagrinėjama, kokį poveikį turi kristalizuojančiosios įmaišos kiekis betono fizikinėms ir mechaninėms savybėms bei traukumui, norint atrasti efektyvią betono įmaišą, kuri mažintų plyšių atsiradimą konstrukcijose. ... -
Betono šarminė korozija Lietuvos sąlygomis
(Cheminė technologija, 2002)Atlikus ilgalaikius betoninių konstrukcijų šarminės korozijos stebėjimus ir tyrimus, ištyrus Lietuvos telkinių užpildų užterštumą reaguojančiomis su šarmais uolienomis nustatyta, kad šie užpildai užteršti opoka, titnagu ... -
Biokuro deginimo pelenų poveikis betono savybėms
(Mokslas - Lietuvos ateitis : Statyba, transportas, aviacinės technologijos = Science - Future of Lithuania : Civil and transport engineering, aviation technologies, 2015)Betono gamybai naudojamą rišamąją medžiagą – cementą – galima keisti aktyviais mineraliniais priedais. Vienas iš tokių – biokuro deginimo pelenai. Tyrimams naudotos medžiagos: portlandcementis CEM I 42,5 R, 0/4 frakcijos ... -
Biriųjų medžiagų segregacijos įtaka jų granuliometrinės sudėties vienodumui
(Racionalūs sprendimai statyboje = Rational decisions in construction = Rationelle Entscheidungen im Bauwesen, 1997)There is a solution of a problem about influence of segregation of dry mineral materials and mixures to homogeneus of granular compositions. There is presented models of segregation, which show the degree of segregation ... -
Calorimetric investigations of high aluminate cement hydration in the presence of waste oil-cracking catalyst
(Cheminė technologija, 2009)Aluminosilicate-based zeolitic waste catalyst (fluidized catalytic cracking catalyst, FCCC) is produced by petrochemical industry in the fluidized bed catalytic cracking process. The present work shows that FCCC zeolitic ... -
Carbonation of alumina cemen-bonded conventional refractory castable in fireplace
(Medžiagotyra, 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 ... -
Cement based foam concrete reinforced by carbon nanotubes
(Materials Science = Medžiagotyra, 2006)The main task of the presented research was to investigate the carbon nanotubes, synthesized from aromatic hydrocarbons and as well as to investigate the possibilities of production and main technological properties of ... -
Cement type influence on fire resistance of concrete
(International review of civil engineering (IRECE), 2013)Under injluence of fire one of the most significant properties of concrete – ability to effectively withstand compressive loads – changes completely. When concrete is heated, both physical and chemical processes take place, ... -
Comparative analysis of flexural stiffness of concrete elements with different types of composite reinforcement systems
(Mokslas – Lietuvos ateitis. Statybos inžinerija = Science – Future of Lithuania. Civil engineering, 2021)Various materials and reinforcement technologies have been created for concrete structures. However, there is no uniform methodology to compare the mechanical characteristics of different reinforcement systems. In structural ... -
Comparative research on exploitation frost resistance of ceramics and concrete
(Medžiagotyra, 2004)The aim of the work is to compare the influence of physical and structural parameters on the exploitation frost resistance for ceramics and concrete of walls and partitions. The physical and structural parameters of small ... -
Composition selection and analysis of concrete produced by utilising sand from crushed concrete waste
(Construction Science, 2013)Normal concrete, produced by using the fine aggregates from the recycled materials, is analysed in the research. Composition selection methodology for the concrete mixture is presented in the research. By employing this ... -
Computer modelling of laser technological processes
(Inžinerinė mechanika = Mechanical engineering : mokslo darbai, 1994)Dynamics of the interaction of the intensive laser beam with a solid surface is being investigated. Heat dynamics of a solid surface layer consisting of two materials with different physical properties and its modification ... -
Cr(VI) redukavimo cementiniuose mišiniuose ypatumai
(Cheminė technologija, 2009)Pagal Europos direktyvos 2003/53/EB reikalavimus tiekiamuose į rinką cementuose bei jų ruošiniuose, tokiuose kaip sausieji mišiniai, išlyginamojo sluoksnio skiediniai, klijai ir pan., vandenyje tirpaus chromo(VI) kiekis ... -
Damage of high-strength reinforced concrete columns under horizontal and vertical loading
(Journal of civil engineering and management, 2003)The global damage of the high-strength reinforced concrete columns is investigated experimentally. Two identical specimens with annular cross-section and spiral containment were designed and two tests up to failure for the ... -
Dependence of sound insulation of building constructions on the acoustic properties of materials
(Ultragarsas, 2008)The article deals with some acoustic properties of materials that have an impact on the sound insulation of building constructions, including sound absorption (abatement). These are namely, the capacity of materials to ...