Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Ahmed F. Deifalla"'
Autor:
Amr El-said, Ahmed F. Deifalla, Saif Eldeen A.S. Yousef, Taha A. El-Sayed, Maged Tawfik, Nehal M. Ayash
Publikováno v:
Case Studies in Construction Materials, Vol 18, Iss , Pp e02182- (2023)
There is no agreement on how to predict punching shear for footings among different design codes, which is inconsistent with experimentally observed capacity. Such inconsistency is due to the following issues: (1) the different definitions used by de
Externí odkaz:
https://doaj.org/article/7a6b51fc8b7b43d09ace1f23ba826ea8
Autor:
Temitope F. Awolusi, Daniel O. Oguntayo, Oluwasegun J. Aladegboye, Marc Azab, Ahmed F. Deifalla
Publikováno v:
Journal of Engineering, Vol 2023 (2023)
The continuous increase in population, advancement in technology, and affluence have influenced the amount of biodegradable and nonbiodegradable waste generated. Studies have shown that the utilization of different wastes in concrete is imperative to
Externí odkaz:
https://doaj.org/article/8ff1ca29326b46ac97efee91cdb33753
Publikováno v:
Buildings, Vol 12, Iss 10, p 1554 (2022)
With the rise in cement production required by conventional concrete, CO2 emissions increase, causing pollution to the atmosphere. Geopolymer concrete (GPC) is investigated in the literature as an eco-efficient alternative to conventional concrete (C
Externí odkaz:
https://doaj.org/article/bac4fe560cdd45cc9dc54bcebeca7051
Publikováno v:
Buildings, Vol 12, Iss 5, p 684 (2022)
In recent years, UHP self-compacted concrete is an innovative category of concrete that has attached a lot of attention because of its higher durability and compressive strength than conventional concrete. So, to overcome the cost of preparation of U
Externí odkaz:
https://doaj.org/article/9b644cb5579c4752b1e1bba2513c5e5a
Publikováno v:
Materials, Vol 15, Iss 4, p 1283 (2022)
Improvements in tensile strength and impact resistance of concrete are among the most researched issues in the construction industry. The present study aims to improve the properties of concrete against impact loadings. For this purpose, energy-absor
Externí odkaz:
https://doaj.org/article/6baac1265337436c943131b69069032b
Publikováno v:
Materials, Vol 14, Iss 14, p 3889 (2021)
Torsional behavior and analysis of steel fiber reinforced concrete (SFRC) beams is investigated in this paper. The purpose of this study is twofold; to examine the torsion strength models for SFRC beams available in the literature and to address prop
Externí odkaz:
https://doaj.org/article/deddce49e4664800909137f011f6a7e4
Autor:
Fazal E. Ghafoor, Malik Sarmad Riaz, Ahmed F. Deifalla, Marc Azab, Omer Javaid, Muhammad Nouman Sattar, Muhammad Maqbool Sadiq
Publikováno v:
Civil Engineering Journal. 9:882-894
A grade-separated crossing allows a bicycle/pedestrian to continue over or under a barrier without conflict with a vehicle. However, the serviceability of these facilities is compromised in underdeveloped countries, including Pakistan. This research
Autor:
Waleed Abdallah, Abdelrahman M. Farrag, Ahmed F. Deifalla, Amal. H. Ibrahim, Hamdy M. Mohamed, Ahmed H. Ali
Publikováno v:
Civil Engineering Journal. 9:835-848
This paper reports an experimental study on the behavior and shear strength of concrete beams reinforced with longitudinal GFRP bars mixed with sea water. In order to evaluate how much concrete contributes to shear resistance, seven beams were tested
Publikováno v:
Civil Engineering Journal. 9:629-653
The ferrocement structural concept has been shown to offer exceptional mechanical properties in terms of toughness, fracture control, and impact resistance, which are achieved by tight spacing and homogeneous reinforcement dispersion within the matri