Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Ina PUNDIENĖ"'
Publikováno v:
Energies, Vol 15, Iss 15, p 5330 (2022)
Thermal insulation bio-composites made of plant origin by-products as bio-aggregates are one of the ways to decrease the impact of the building and construction sector on CO2 emissions. In this study, three bio-aggregates were analysed for their pote
Externí odkaz:
https://doaj.org/article/3dea0a4b3e824110976f0d8da22ca253
Publikováno v:
Buildings, Vol 13, Iss 12, p 3015 (2023)
The results of this research show that high-alkali biofuel fly ash (BFA) had a significant influence on the mechanical characteristics, microstructure, porosity, freezing–thawing cycle resistance, and ASR resistance of cementitious materials. Diffe
Externí odkaz:
https://doaj.org/article/e300d4beb3bb411baa8cf15664bfb53d
Autor:
Ina Pundienė, Jolanta Pranckevičienė
Publikováno v:
Nanomaterials, Vol 13, Iss 24, p 3095 (2023)
This research delves into the intricate dynamics between multi-walled carbon nanotubes (MWCNTs), air-entraining admixtures (AEAs), and a range of superplasticizers (SPs) in cementitious systems, shedding light on key aspects of construction material
Externí odkaz:
https://doaj.org/article/5e52b859e73d48a5b5390df887dd59f2
Publikováno v:
Nanomaterials, Vol 13, Iss 22, p 2942 (2023)
With the development of nanotechnology, nanomaterials have been introduced to improve the engineering properties of cement-based building materials. An abundant number of studies have been carried out on normal-weight concrete using multi-walled carb
Externí odkaz:
https://doaj.org/article/e031ad7fd7aa40dba08b211c173c212f
Publikováno v:
Frontiers in Materials, Vol 7 (2020)
Magnesium potassium phosphate cement (MKPC), made of sintered magnesium oxide and potassium phosphate, is a new material for construction and structural repair. It possesses high early strength and bond capacity, low drying shrinkage, excellent fire
Externí odkaz:
https://doaj.org/article/2a4f15aca82740feb5d09499915ff2da
Publikováno v:
Medžiagotyra, Vol 21, Iss 1, Pp 143-148 (2015)
The effect of superplasticizer Muraplast FK 63.30 (SP) based on synthetic polycarboxylatether (PCE) on rheological properties (spreadability, fluidity, dynamic viscosity, stiffenes rate) on Portland cement pastes of different types (CEM I and CEM II/
Externí odkaz:
https://doaj.org/article/d12a6ca657ac4a68b402f24655c1b7d1
Autor:
Džigita NAGROCKIENĖ, Albinas GAILIUS, Gintautas SKRIPKIŪNAS, Ina PUNDIENĖ, Giedrius GIRSKAS, Anastasija ABASOVA
Publikováno v:
Medžiagotyra, Vol 19, Iss 3, Pp 337-342 (2013)
The article analyzes the effect of plasticizing admixture content on the physical and mechanical properties of concrete made of 50 % coarse aggregate. The plasticizer dosage levels proposed by the manufacturer (0.2 % – 1.2 %) were examined and the
Externí odkaz:
https://doaj.org/article/fd7a933d71a04fb5aad1a25b2453d935
Autor:
Ina PUNDIENĖ, Valentin ANTONOVIČ, Rimvydas STONYS, Marius ALEKNEVIČIUS, Irina DEMIDOVA-BUIZINIENĖ, Albinas GAILIUS
Publikováno v:
Medžiagotyra, Vol 18, Iss 4, Pp 390-395 (2012)
For production of fireclay refractory castables, various deflocculants are used. In recent years new polycarboxylate ethers-based deflocculants appeared and so far their properties comparing to those of common deflocculants are little investigated. T
Externí odkaz:
https://doaj.org/article/5d8e11e691a94e669fe6ae5a5cbaa2b7
Publikováno v:
Medžiagotyra, Vol 17, Iss 1, Pp 73-79 (2011)
This study deals with the impact of waste fluid cracking catalyst (FCC) and cupola dust (CD) on hardening process of various Portland cements (CEM I 42.5 R (PCR), CEM I 42.5 N (PCN), CEM II/A-S 42.5 N (PCSN)). The plain cement pastes and waste modifi
Externí odkaz:
https://doaj.org/article/087616c9e16c4e249ffaca83b8022519
Publikováno v:
Journal of Civil Engineering and Management, Vol 18, Iss 4 (2012)
The study deals with peculiarities of hydration and development of hardening structure as well as durability properties pertaining to composite anhydrite cement pozzolana binder (ACP) with different pozzolana (P). The properties of P have an effect o
Externí odkaz:
https://doaj.org/article/ff0eacb5b92e467eb3af822a06450186