Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Elżbieta Janowska"'
Autor:
Elżbieta Janowska-Renkas, Anna Król, Sławomir Pochwała, Dawid Pałubski, Małgorzata Adamska, Igor Klementowski
Publikováno v:
Energies, Vol 15, Iss 3, p 1155 (2022)
The motivation for research to help address climate change is a continuous process of searching for eco-friendly materials in the building industry, which will allow minimizing the negative impact of this sector on the environment. The main objective
Externí odkaz:
https://doaj.org/article/5dfef37ba6a240d1af243afb9f8f70a7
Autor:
Elżbieta Janowska-Renkas
Publikováno v:
Budownictwo i Architektura, Vol 12, Iss 3 (2013)
This paper presents the results of chemical structural investigations of four new-generation superplasticizers (denoted here as SP-A through SP-M2) used in concrete production engineering. The commercial product samples, the gel permeation chromatogr
Externí odkaz:
https://doaj.org/article/a7ffe67c50ab4457a022243fd042d6cf
Publikováno v:
Measurement. 211:112616
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b06ee371c13449c242c8647eb3f43f4
https://doi.org/10.1016/j.measurement.2023.112616
https://doi.org/10.1016/j.measurement.2023.112616
Publikováno v:
Materials
Volume 14
Issue 21
Materials, Vol 14, Iss 6553, p 6553 (2021)
Volume 14
Issue 21
Materials, Vol 14, Iss 6553, p 6553 (2021)
The selection of material solutions is a basic decision-making problem that occurs in engineering issues. It affects the entire life cycle of a building structure, its safe use, maintenance costs, and a need to meet requirements for sustainable devel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::590711836d137f62a60fdfe370ed4330
http://europepmc.org/articles/PMC8585201
http://europepmc.org/articles/PMC8585201
Publikováno v:
Materials
Volume 14
Issue 12
Materials, Vol 14, Iss 3229, p 3229 (2021)
Volume 14
Issue 12
Materials, Vol 14, Iss 3229, p 3229 (2021)
The paper presents results of research on the impact of fly ash from fluidized bed combustion (FBC) of lignite, used in quantities of 30 and 45% by mass, and the mixture of FBC and silicious fly ash in amount of 45% by mass, on properties of cement
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4e93c73e9b39abdf5f515b6bc25bfbfb
https://pubmed.ncbi.nlm.nih.gov/34208083
https://pubmed.ncbi.nlm.nih.gov/34208083
Publikováno v:
Materials
Volume 14
Issue 9
Materials, Vol 14, Iss 2345, p 2345 (2021)
Volume 14
Issue 9
Materials, Vol 14, Iss 2345, p 2345 (2021)
This article presents test results of aggressive environment impact, i.e., seawater, acid solutions and carbonation, on the durability of cement–ash mortars. Tests were conducted on CEM I 42.5R-based mortars containing 35 to 70% by mass of FBC fly
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::636cc4c6d2d87ae25998349de96b88c9
Autor:
Stefania Grzeszczyk, Pavel Rovnaník, Pavla Rovnaníková, Martin Vyšvařil, Elżbieta Janowska-Renkas
Publikováno v:
Construction and Building Materials. 188:924-933
Waste brick powder is a material with sufficient pozzolanic properties to be used as a supplementary cementing material in Portland cement-based concrete or as a precursor for the production of geopolymers. This study aimed to investigate a binary ge
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb0ae655094bd27de0d5ca1dc4a868c5
https://doi.org/10.1016/j.conbuildmat.2018.08.150
https://doi.org/10.1016/j.conbuildmat.2018.08.150
Publikováno v:
MATEC Web of Conferences, Vol 322, p 01018 (2020)
This paper presents test results of the physical and mechanical properties of geopolymers based on conventional fly ash activated at increased temperature with sodium hydroxide, containing glass powder obtained from the recycling of waste glass. Test
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1d562e0a30c2a19cae1a4484426c22cd
https://www.matec-conferences.org/articles/matecconf/pdf/2020/18/matecconf_matbud2020_01018.pdf
https://www.matec-conferences.org/articles/matecconf/pdf/2020/18/matecconf_matbud2020_01018.pdf
Autor:
Elżbieta Janowska-Renkas
Publikováno v:
Materials, Vol 14, Iss 2683, p 2683 (2021)
Materials
Volume 14
Issue 10
Materials
Volume 14
Issue 10
The paper presents test results of the impact of sulphate ions from calcium sulphates: Hemihydrate, dihydrate and anhydrite, on rheological properties and hydration heat of cement pastes with, and without, superplasticizers, derivatives of maleic (SP
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e91b4f7e8d12276c68c498fddcfa93e
https://doi.org/10.3390/ma14102683
https://doi.org/10.3390/ma14102683
Publikováno v:
MATEC Web of Conferences, Vol 174, p 02006 (2018)
The study shows results of research on the aggressive environment impact (1, 3 and 5% HCl solution) on durability of cement mortars with fraction from 30 to 45% by mass of fly ashes from the fluidized bed combustion (FBC fly ash) and conventional fly
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d0c0e5d39d1f6ca51aa443d61bca001a
https://doaj.org/article/19949c8fdeba45dcb7652af0cd5e04fc
https://doaj.org/article/19949c8fdeba45dcb7652af0cd5e04fc