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Wyszukujesz frazę "Haider, Farhan" wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Investigating the factor of safety for the design of columns using properties of steel rebar’s manufactured in Pakistan
Autorzy:
Zaidi, Safdar Abbas
Saeed, Muhammad Arsalan
Haider, Farhan
Tematy:
współczynnik redukcji wytrzymałości
analiza wytrzymałościowa
interakcja
moment obciążenia
pręt stalowy
słup
strength reduction factor
strength analysis
load moment
interaction
steel rebar
column
Pokaż więcej
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:
https://bibliotekanauki.pl/articles/1849760.pdf  Link otwiera się w nowym oknie
Opis:
This paper includes the behaviour of RC column, using the steel strength data employed by Rafi et al. (2014). Eccentric short columns are studied for this purpose, both tension and compression controlled sections, are analysed considering the current design practice of Pakistan. Three cross sections were analysed using different steel percentages against load-moment interaction and the strength analyses. Concrete strength is also varied in this analysis. The load moment interaction diagrams were observed in major and minor axes and strength analysis is made for compression controlled and tension controlled sections. In this analysis it is observed that a section designed as a tension controlled is giving brittle failure at certain limit which should be avoided. Considering this scenario, several random cross sections are analysed, strength reduction factors for eccentric and pure axial columns are computed. Conclusions are made on behalf of this analysis for different types of column design.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigating the factor of safety for the design of columns using properties of steel rebarsmanufactured in Pakistan
Autorzy:
Abbas Zaidi, Safdar
Arsalan Saeed, Muhannad
Haider, Farhan
Tematy:
współczynnik redukcji wytrzymałości
analiza wytrzymałościowa
obciążenie momentem
interakcja
słup żelbetowy
strength reduction factor
strength analysis
moment load
interaction
reinforced concrete column
Pokaż więcej
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:
https://bibliotekanauki.pl/articles/230463.pdf  Link otwiera się w nowym oknie
Opis:
This paper includes the behaviour of RC column, using the steel strength data employed by Rafi et al. (2014). Eccentric short columns are studied for this purpose, both tension and compression controlled sections, are analysed considering the current design practice of Pakistan. Three cross sections were analysed using different steel percentages against load-moment interaction and the strength analyses. Concrete strength is also varied in this analysis. The load moment interaction diagrams were observed in major and minor axes and strength analysis is made for compression controlled and tension controlled sections. In this analysis it is observed that a section designed as a tension controlled is giving brittle failure at certain limit which should be avoided. Considering this scenario, several random cross sections are analysed, strength reduction factors for eccentric and pure axial columns are computed. Conclusions are made on behalf of this analysis for different types of column design.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
High-isolation Quad-port MIMO Antenna for 5G Applications
Autorzy:
Saeed, Noor Haider
Farhan, Malik Jasim
Kareem, Qasim Hadi
Tematy:
5G
compact antenna
high-isolation
MIMO antenna
sub-6 GHz
Pokaż więcej
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Powiązania:
https://bibliotekanauki.pl/articles/58906706.pdf  Link otwiera się w nowym oknie
Opis:
This paper presents a compact, high-isolation MIMO antenna with physical dimensions of 68 × 68 × 0.8 mm, designed for use in 5G applications. The antenna's bandwidth ranges from 3.25 GHz to 4.34 GHz and it offers a gain of 4.3 dBi, making it suitable for applications relying on 5G technology. Several improvements have been introduced to improve its overall efficiency, such as adjustments to the ground plane and integrating apertures in the radiating patch. The alterations referred to above were optimized using the sweep parameter method to ensure that their best configurations are achieved. Furthermore, much attention has been paid to enhance isolation by ensuring all terminals are positioned precisely at 90° angles. The CST Studio Suite was utilized to design and thoroughly simulate the proposed MIMO antenna.
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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