Zobrazeno 1 - 10
of 95
pro vyhledávání: '"Abdullah. M. Zeyad"'
Autor:
Abdullah M. Zeyad, Alaa A. Mahmoud, Alaa A. El-Sayed, Ayman M. Aboraya, Islam N. Fathy, Nikos Zygouris, Panagiotis G. Asteris, Ibrahim Saad Agwa
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-32 (2024)
Abstract In this study, four Artificial intelligence (AI) - based machine learning models were developed to estimate the Residual compressive strength (RCS) value of concrete supported with nano additives of Nanocarbon tubes (NCTs) and Nano alumina (
Externí odkaz:
https://doaj.org/article/3dbeaf820ec0456b870cb97ad9d41221
Publikováno v:
Frattura ed Integrità Strutturale, Vol 18, Iss 68, Pp 140-158 (2024)
Reinforced concrete has a weakness for corrosion which can cause the concrete to crack and the concrete structure to fail. To overcome this problem, a self-healing concrete method is needed that can close cracks and inhibit the rate of natural corros
Externí odkaz:
https://doaj.org/article/efc82034c54e46d1b9bbd0934e387ca5
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03422- (2024)
One of the most present types of concrete in buildings is ultra-high-performance concrete. In contrast, large quantities of cement are consumed to achieve the required strength. To minimize the quantity of cement utilized in manufacturing ultra-high-
Externí odkaz:
https://doaj.org/article/92915f7b2c8b4d5a999515f8f6e6f101
Autor:
Sahar A. Mostafa, Ibrahim Saad Agwa, Bahaa Elboshy, Abdullah M. Zeyad, Ahmed M. Seddik Hassan
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e03365- (2024)
Innovative building materials are the primary focus for researchers seeking to reduce energy consumption and advance global sustainability initiatives. This target could accomplished by addressing environmental issues and confronting the adverse impa
Externí odkaz:
https://doaj.org/article/28b15109d0a842f7954cadcda4f28546
Autor:
Abdullah M. Zeyad
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e02808- (2024)
This investigation aims to study the effect of the harsh environment on cement mortar containing pumice powder (natural pozzolana) as a partial substitute for ordinary Portland cement (OPC). The harsh environmental conditions applied in this study co
Externí odkaz:
https://doaj.org/article/8544f7e6a5af402ea3cb7781b51d8238
Publikováno v:
Buildings, Vol 14, Iss 9, p 2806 (2024)
The journal retracts the review article A Review on Building Design as a Biomedical System for Preventing COVID-19 Pandemic [...]
Externí odkaz:
https://doaj.org/article/8195d7d4219b4d89b88d27aede5cf7cf
Autor:
Ibrahim Y. Hakeem, Mohammad Alharthai, Mohamed Amin, Abdullah M. Zeyad, Bassam A. Tayeh, Ibrahim Saad Agwa
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 7444-7461 (2023)
This research aims to study the effect of adding nanosilica (NS) on the properties of sustainable high-strength concrete (SHSC). The SHSC was produced using recycled aggregates from concrete debris as a 100% alternative to coarse aggregate, and indus
Externí odkaz:
https://doaj.org/article/b125d86f6d5d40a8accf4904b6a143b5
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 4060-4073 (2023)
This research investigates the feasibility of using dry crushed pomegranate peel waste as thermal insulator to produce light clay bricks. Pomegranate peel waste (PW) is used with different substitution levels of 0%, 5%, 7.5%, 10% and 15% of clay weig
Externí odkaz:
https://doaj.org/article/dc034410615243698739b8bee82a9361
Publikováno v:
Journal of Materials Research and Technology, Vol 23, Iss , Pp 3196-3218 (2023)
Agricultural countries suffer from growth problems of agricultural waste ash (AWA). This research paper studies the use of AWA as a partial substitute for cement to produce ultra-high-strength concrete (UHSC). This paper also investigates the effect
Externí odkaz:
https://doaj.org/article/4716a32c8bba4cd4a2dd1d9f1883fe71
Publikováno v:
Case Studies in Construction Materials, Vol 18, Iss , Pp e01999- (2023)
Industrial wastes have been widely used worldwide in the construction industry as a pozzolana aiming to reduce Portland cement utilization and to produce economical, energy-efficient, and environment-friendly concrete. Fly ash is a well-recognized an
Externí odkaz:
https://doaj.org/article/11f1980e131d4aa0a9e5370b278349d1