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Wyszukujesz frazę "hybrid slab" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Numerical investigation and cost analysis of FRP concrete unidirectional hybrid slabs
Autorzy:
Mahboob, Amir
Eskenati, Amir Reza
Moradalizadeh, Soheil
Powiązania:
https://bibliotekanauki.pl/articles/2174188.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
płyta hybrydowa
symulacja numeryczna
konstrukcja betonowa
CFRP
GFRP
AFRP
hybrid slab
numerical simulation
costs
Opis:
Fiber-reinforced polymer (FRP) has been commonly used to reinforce concrete structures. The kinds of FRP demonstrate an effective alternative to various methods of reinforcement in concrete structures subjected to bad environmental conditions which cause corrosion and damage to concrete. Due to their lightweight, high strength, and high corrosion and fatigue resistance, Fiber Reinforced Polymer (FRP) composites have been widely applied in steel substitution during revitalization interventions. This paper presents numerical three-points bending tests on different models to investigate the effect of the reinforcements; Carbon, Glass, and Aramid fibers to find the corresponding cost of each one. Also, there is an available experimental model for verifying the results of the FEM that demonstrated broad agreement with the experimental statement, concerning the load-displacement curve. After validating the models, alternative designs such as type of the FRP, position of the FRP, and amount of the FRP usage were numerically tested to study the influence of each on the load-bearing capacity. The results showed that the best configuration would be one with GFRP and the load-bearing capacity is around 9kN in the optimum design.
Źródło:
International Journal of Applied Mechanics and Engineering; 2021, 26, 4; 156--166
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of hybrid steel-polypropylene fiber on punching shear behavior of flat slab with an opening
Autorzy:
Zaezue, Shahzinan J.
Hadi, Waleed K.
Powiązania:
https://bibliotekanauki.pl/articles/36060590.pdf
Data publikacji:
2023
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
hybrid fiber
steel fiber
polypropylene fibre
punching shear
slab with opening
Opis:
This research aimed to gain a better understanding of how the addition of fiber influences the punching shear capacity of two-way slabs by conducting an experiment into the structural behavior of flat slabs with and without a square opening using different volume fractions of hybrid steel-polypropylene fiber (0%, 0.9%, 1.05% and 1.8%). Ten 700 × 700 × 70 mm slabs were divided into five pairs, with two samples used as control samples (with and without openings), and eight other samples with different volume fraction of fibers. Results showed that an increase in fiber content enhanced the shear strength of the slabs. For example, as the volume fraction of hybrid fiber increased from 0.0 to 1.8%, the ultimate load increased by 52% for slabs without an opening and up to 42% for slabs with an opening.
Źródło:
Scientific Review Engineering and Environmental Sciences; 2023, 32, 1; 3-17
1732-9353
Pojawia się w:
Scientific Review Engineering and Environmental Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Seismic evaluation of mixed steel and RC columns in hybrid high-rise buildings
Autorzy:
Kontoni, D. P. N.
Farghaly, A. A.
Powiązania:
https://bibliotekanauki.pl/articles/230311.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
budynek wysoki
konstrukcja hybrydowa
budynek żelbetowo-stalowy
belka żelbetowa
płyta żelbetowa
kolumna żelbetowa
kolumna stalowa
odpowiedź sejsmiczna
konstrukcja odporna na trzęsienia ziemi
odporność na wstrząsy sejsmiczne
high-rise building
hybrid structure
reinforced concrete steel building
reinforced concrete beam
reinforced concrete slab
reinforced concrete column
steel column
seismic response
earthquake-resistant structure
Opis:
The growth in high-rise building construction has increased the need for hybrid reinforced concrete and steel structural systems. Columns in buildings are the most important elements because of their seismic resistance. Reinforced concrete (RC) columns and steel columns were used herein to form hybrid structural systems combining their distinct advantages. Eleven 3D building models subjected to earthquake excitation with reinforced concrete beams and slabs of 12 floors in height and with different distributions of mixed columns were analyzed by the SAP2000 software in order to investigate the most suitable distributions of a combination of reinforced concrete and steel columns. Top displacements and accelerations, base normal forces, base shear forces, and base bending moments were computed to evaluate the selected hybrid structural systems. The findings are helpful in evaluating the efficiency of the examined hybrid high-rise buildings in resisting earthquakes.
Źródło:
Archives of Civil Engineering; 2019, 65, 2; 3-17
1230-2945
Pojawia się w:
Archives of Civil Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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