Zobrazeno 1 - 10
of 77
pro vyhledávání: '"Roman Jaskulski"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract The article presents the effect of the addition of short straight steel fibers on the behavior of high-strength concrete (HSC) under compression (σ–ε curves). Deformations of cylindrical samples were measured simultaneously with the use
Externí odkaz:
https://doaj.org/article/8e978dfbfd2443f7b1fc69c3c4f1f45a
Publikováno v:
Materials, Vol 17, Iss 12, p 2936 (2024)
The paper presents and discusses the results of a study of the thermal properties of cement composites with different contents of magnetite aggregate (0%, 20%, 40% and 60% by volume). The effect of grain size on the evaluated thermal properties was a
Externí odkaz:
https://doaj.org/article/99d12e8c40dd4484a4c24ad9b7f35e81
Publikováno v:
Acta Polytechnica, Vol 63, Iss 6 (2023)
Air permeability testing is increasingly being used to measure the impermeability of concrete and to estimate the durability of reinforced concrete structures using this property. This paper presents the results of a preliminary study on the influenc
Externí odkaz:
https://doaj.org/article/c71865a9fdba4d22a4b0113a1dc40998
Publikováno v:
Archives of Civil Engineering, Vol vol. 69, Iss No 1, Pp 385-402 (2023)
The paper provides an overview of selected scientific articles presenting research carried out in recent years on methods for producing autoclaved aerated concrete. Traditional technologies are briefly presented, together with innovative solutions fo
Externí odkaz:
https://doaj.org/article/3e62967490744ee5a7424d0aeb4d9ff5
Autor:
Daria Jóźwiak-Niedźwiedzka, Roman Jaskulski, Kinga Dziedzic, Aneta Brachaczek, Dariusz M. Jarząbek
Publikováno v:
Materials, Vol 17, Iss 10, p 2207 (2024)
An alkali–silica reaction (ASR) is a chemical process that leads to the formation of an expansive gel, potentially causing durability issues in concrete structures. This article investigates the properties and behaviour of ASR products in mortar wi
Externí odkaz:
https://doaj.org/article/92ad24c2a9764a90a9d58271c4550a0a
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-1 (2024)
Externí odkaz:
https://doaj.org/article/ec74ac84de0d48158c1ca152443dcc18
Publikováno v:
Archives of Civil Engineering, Vol vol. 67, Iss No 3, Pp 299-318 (2021)
The article presents the results of investigation of mechanical and thermal properties of lightweight concrete with waste copper slag as fine aggregate. The obtained results were compared with the results of concrete of the same composition in which
Externí odkaz:
https://doaj.org/article/63bfc926d4764b80b6bae70734e4d435
Publikováno v:
Materials, Vol 16, Iss 8, p 2986 (2023)
The paper presents the results of tests on concrete with recycled aggregate impregnated with the use of citric acid. Impregnation was carried out in two stages, with a suspension of calcium hydroxide in water (so-called milk of lime) or diluted water
Externí odkaz:
https://doaj.org/article/5d45b588bcde4351859b8c71759d22d6
Autor:
Daria Jóźwiak-Niedźwiedzka, Roman Jaskulski, Kinga Dziedzic, Aneta Antolik, Mariusz Dąbrowski
Publikováno v:
Materials, Vol 16, Iss 8, p 3210 (2023)
Results of experimental investigation on the mitigation of alkali–silica reaction (ASR) by low-grade calcined clay are presented. Domestic clay with an Al2O3 content equal to 26% and SiO2—58% was used. The calcination temperatures were as follows
Externí odkaz:
https://doaj.org/article/420ed78abd334dd98cd76c6f890cf3fc
Publikováno v:
Archives of Civil Engineering, Vol Vol. 66, Iss No 4, Pp 153-168 (2020)
The work presents results of research on the influence of micro materials on the thermal conductivity λ of gypsum. In the research, cellulose-based polymer and aerogel were used as the modifying micro materials. For the purpose of measuring the ther
Externí odkaz:
https://doaj.org/article/b256eaeb5e14418eb937efa4df72d2bc