Temat: fiber-reinforcement concrete - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Analysis of FRP bars used as reinforcement in concrete structures
Autorzy:: Brózda, K.
Selejdak, J.
Powiązania:: https://bibliotekanauki.pl/articles/112088.pdf
Data publikacji:: 2016
Wydawca:: Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:: fiber reinforced polymer
FRP
reinforcement
concrete
characteristic properties
production process
pultrusion
polimer wzmocniony włóknami
pręty zbrojeniowe
beton wzmocniony
prasowanie ciągłe
materiały kompozytowe
Opis:: In the design and construction of building and engineering structures, it is of utmost importance to provide their reliability and safety. The use of FRP (Fiber Reinforced Polymers) bars as reinforcement of structural concrete elements could help reducing the typical defects of reinforced concrete and increase its strength parameters. In the paper the selected FRP bar characteristic properties are presented and advantages derived therefrom are specified. Furthermore, the most commonly used in construction types of FRP bars, depending on the raw material used during the production process are listed. In addition, the possibility of recycling of elements reinforced with FRP bars is presented and compared with traditional reinforced concrete (reinforced with steel bars). The production method of FRP bars (pultrusion) is shown. Moreover, the advantages and disadvantages of using this method are discussed.
Źródło:: Production Engineering Archives; 2016, 12, 3; 2-4
2353-5156
2353-7779
Pojawia się w:: Production Engineering Archives
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Analysis of Rheological Properties of Cement Composites Based on Waste Materials
Autorzy:: Zakrzewski, Mateusz
Domski, Jacek
Powiązania:: https://bibliotekanauki.pl/articles/27322945.pdf
Data publikacji:: 2023
Wydawca:: Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:: cement composites
creep
steel cord
fiber-reinforcement concrete
long-term study
concrete beams
waste aggregate
waste fibers
crack
Opis:: This report presents the results and analysis of long-term properties of fiber-reinforced cement composite based on waste aggregate. The long-term tests were carried out on the stand proposed by the authors for simultaneously testing three beams with dimensions of 100x200x2900 mm. A total of 8 mixtures of cement composites with aggregate from ceramic waste and waste sand were tested. Three beams were made for each mixture. One without dispersed reinforcement and two with 0.5% and 1.0% fiber reinforcement ratios. As dispersed reinforcement, steel cord and hooked steel fibers were used. The beams were subjected to a four-point bending test. The research was carried out for 1000 days. An optical system was used as an innovative solution in long-term research. Based on the measurements, the creep coefficient in the mid-span of the beams was determined, and the crackings of the beams were analysed. The results obtained using manual measuring devices and the optical system were compared. A good convergence of measurement methods was observed. During the analysis of the results, the coefficients modifying the method for calculating the crack width included in Eurocode 2 were determined.
Źródło:: Rocznik Ochrona Środowiska; 2023, 25; 159--173
1506-218X
Pojawia się w:: Rocznik Ochrona Środowiska
Dostawca treści:: Biblioteka Nauki

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