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Wyświetlanie 1-2 z 2
Tytuł:
The effect of polymer waste addition on the quality of concrete composite
Autorzy:
Pietrzak, Alina
Powiązania:
https://bibliotekanauki.pl/articles/34670830.pdf
Data publikacji:
2021
Wydawca:
Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:
concrete
polymer waste
concrete quality
beton
odpady polimerowe
jakość betonu
Opis:
Concrete is one of the most important construction materials, which, due to its properties, provides complete freedom in using it in construction, and thus in shaping the space. Despite numerous advantages (ease of use, high compressive strength, low production cost, resistance to high temperatures), it also has disadvantages, which include, first of all, low tensile strength and sensitivity to the destructive effects of chemical agents. The continuous increase in expectations regarding the improvement of concrete quality meant that concrete began to be modified, inter alia, with polymers to eliminate the above-mentioned disadvantages. This paper presents a review of articles on the possibilities of using polymer waste in concrete technology and their impact on the quality of the produced concrete composites.
Źródło:
Quality Production Improvement - QPI; 2021, 3, 1; 326-338
2657-8603
Pojawia się w:
Quality Production Improvement - QPI
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of adding slag, achieved from wastewater sludge incineration in fluidized-bed furnace, on the quality of concrete
Autorzy:
Pietrzak, Alina
Powiązania:
https://bibliotekanauki.pl/articles/104162.pdf
Data publikacji:
2019
Wydawca:
Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:
concrete
ash
sewage sludge
concrete quality
beton
popiół
osady ściekowe
jakość betonu
Opis:
Due to a constant increase in generating the amount of sewage waste it is necessary to find an alternative method of its use or disposal. One of such methods can be utilization of sewage sludge in construction materials industry, particularly in concrete technology and other materials based on cement. It allows using waste materials as a passive additive (filler) or also as an active additive (replacement of part of bonding material). The article aims at presenting the analysis of the effect of adding slag, achieved from wastewater sludge incineration in sewage treatment plant, on properties and quality of concrete mix and hardened concrete. Using an experimental method, the researcher designed the composition of the control concrete mix, which was then modified by means of slag. For all concrete mixtures determined – air content with the use of pressure method and consistency measured by the use of concrete slump test. For all concrete series the following tests were conducted: compressive strength of concrete after 7, 28 and 56 days of maturing, frost resistance for 100 cycles of freezing and thawing, water absorption. The use of slag, ground once in the disintegrator, causes a decrease of in compressive strength of concrete samples in relation to the control concrete series as well as bigger decrease in compressive strength after frost resistance test.
Źródło:
Quality Production Improvement - QPI; 2019, 1, 1; 244-250
2657-8603
Pojawia się w:
Quality Production Improvement - QPI
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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