Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Galal Elsamak"'
Autor:
Alireza Bahrami, Mohamed Ghalla, Galal Elsamak, Moataz Badawi, Ehab A. Mlybari, Fathi A. Abdelmgeed
Publikováno v:
Frontiers in Materials, Vol 11 (2024)
This study delves into the efficacy of external strengthening methods in improving the shear behavior of defected reinforced concrete (RC) beams that lack shear stirrups, utilizing both experimental and numerical methodologies. Failure risk of such b
Externí odkaz:
https://doaj.org/article/bb7ee4677a17475baed1e845aa631de1
Autor:
Moataz Badawi, Alireza Bahrami, Mohamed Ghalla, Mohamed Emara, Ehab A. Mlybari, Galal Elsamak
Publikováno v:
Results in Engineering, Vol 24, Iss , Pp 102869- (2024)
Structural systems often undergo changes due to variations in the usage, the loading conditions, or the presence of defects in their elements. The problem can be exacerbated when there is insufficient overlap between reinforcing bars in critical mome
Externí odkaz:
https://doaj.org/article/9d4b781f9aef44749d7a61c8e68c4a36
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03500- (2024)
This paper presents an experimental investigation of the shear improvement of defected reinforced concrete (RC) beams using sustainable aluminum boxes filled with high performance concretes (HPCs). The study compares the performance of eleven RC beam
Externí odkaz:
https://doaj.org/article/76d6213384f84ad3b39004449e86dd8f
Autor:
Ali Mohamed Abdallah, Moataz Badawi, Galal Elsamak, Jong Wan Hu, Ehab A. Mlybari, Mohamed Ghalla
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e02747- (2024)
Design standards necessitate the use of a sufficient lap splice length when dealing with longer spans of Reinforced Concrete (RC) members. An inadequate lap splice length results in a reduction of both the flexural strength and ductility of reinforce
Externí odkaz:
https://doaj.org/article/bfb5f5a817844b4aad0ee38c604a97d5
Autor:
Mohammad Alharthai, Alireza Bahrami, Moataz Badawi, Mohamed Ghalla, Galal Elsamak, Fathi A. Abdelmgeed
Publikováno v:
Results in Engineering, Vol 22, Iss , Pp 102143- (2024)
This article compromises a three-dimensional numerical study employing the Abaqus program to investigate the behavior of reinforced concrete (RC) beams externally strengthened in shear using aluminum alloy (AA) plates bonded utilizing steel anchors.
Externí odkaz:
https://doaj.org/article/242bcb6129894b4a946592fe4b8091b0
Publikováno v:
Case Studies in Construction Materials, Vol 18, Iss , Pp e01691- (2023)
This paper presents different effective strengthening techniques to enhance the flexural strength of one-way reinforced concrete (RC) slabs. To assess the effectiveness of utilizing the suggested strengthening techniques, an experimental and numerica
Externí odkaz:
https://doaj.org/article/31e7506c75e845c8bc7206c82babf952
Publikováno v:
Materials, Vol 16, Iss 1, p 72 (2022)
The punching shear failure of reinforced concrete (RC) flat slabs is an undesirable type of failure, as it is sudden and brittle. This paper presents an experimental and numerical study to explore the behavior of flat slabs made of different types of
Externí odkaz:
https://doaj.org/article/d355d250e27640bc851e06b4147ede43
Publikováno v:
Buildings, Vol 12, Iss 11, p 1776 (2022)
Many structural elements are subjected to a significant torsional moment that affects the structural design and may require strengthening. This paper presents different effective strengthening techniques to enhance the torsional capacity of reinforce
Externí odkaz:
https://doaj.org/article/8253f93eff0c4d0b943460911a38e8db
Publikováno v:
Asian Journal of Civil Engineering. 24:1041-1053
Publikováno v:
Arabian Journal for Science and Engineering. 48:4907-4923
The segments of the precast concrete beams can be assembled by joints have interlaced shear keys. This paper presents an experimental and numerical study of ten samples, six of them were tested under the influence of direct shear; these samples repre