Zobrazeno 1 - 10
of 66
pro vyhledávání: '"Ahmed M. Tahwia"'
Autor:
Hani Mahanna, Heba Salah, Abdelrhman Mansour, Ahmed Elareed, Aref A. Abadel, Moncef.L. Nehdi, Ahmed M. Tahwia
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e03011- (2024)
Water treatment sludge (WTS) disposal in landfills and estuaries has significant negative environmental effects. This study aims to produce a cleaner approach to recycling solid waste sludge from water treatment plants into eco-friendly construction
Externí odkaz:
https://doaj.org/article/0b10ade7838d408dbccb5248fb83c86c
Autor:
Mohamed Abdellatief, Mohamed Mortagi, Mohamed Abd Elrahman, Ahmed M. Tahwia, Ayed E. Alluqmani, Hani Alanazi
Publikováno v:
Case Studies in Construction Materials, Vol 19, Iss , Pp e02549- (2023)
Due to the deterioration and environmental issues of cement-based ultra-high-performance concrete (UHPC), there is an increasing interest in utilizing geopolymer technology to develop UHPC. In this regard, a statistically based model using response s
Externí odkaz:
https://doaj.org/article/0f8bdb4dd118460da064336916101b22
Autor:
Ahmed M. Tahwia, Mohamed Abd Ellatief, Ghada Bassioni, Ashraf M. Heniegal, Mohamed Abd Elrahman
Publikováno v:
Journal of Materials Research and Technology, Vol 23, Iss , Pp 5681-5697 (2023)
This research evaluates the effect of high temperatures up to 800 °C on the compressive strength and microstructure of the developed ultra-high performance geopolymer concrete (UHPGC) containing waste glass (WG) and ceramic (WC). Fine aggregate was
Externí odkaz:
https://doaj.org/article/817f55e7d42a4b75a86a68e4959ec774
Publikováno v:
Journal of Materials Research and Technology, Vol 23, Iss , Pp 2160-2176 (2023)
For many years, several research has been conducted to investigate the use of tyre rubber waste as a substitute for concrete fine and coarse aggregates to decrease its unfavourable impacts on the environment. This resulted in producing crumb rubber c
Externí odkaz:
https://doaj.org/article/3b0836b88f564eeabac07893e9677fa7
Publikováno v:
Journal of Materials Research and Technology, Vol 21, Iss , Pp 4344-4359 (2022)
Utilization of waste crushed bricks (WCB), which are obtained from brick factories and demolition waste as coarse and fine aggregate for preparing concrete, is an adequate strategy to reuse them and save natural resources to achieve environmental sus
Externí odkaz:
https://doaj.org/article/60e6f9e66e204e85ab9b05c97440575e
Publikováno v:
Case Studies in Construction Materials, Vol 18, Iss , Pp e02105- (2023)
The shear capacity of Ultra-High Performance Fiber Reinforced Concrete (UHPFRC) deep beams with web openings located between the provided stirrups was investigated experimentally. All the tested beams were constructed from the same UHPFRC mix contain
Externí odkaz:
https://doaj.org/article/11038f8b4ecf425ab2cc9d49a79bfdeb
Publikováno v:
Case Studies in Construction Materials, Vol 18, Iss , Pp e01807- (2023)
Due to its high cement content, ultra-high performance concrete (UHPC) is not an eco-friendly material. Utilizing alternative materials as a replacement of cement could improve UHPC's sustainability and reduce environmental impact. This study intends
Externí odkaz:
https://doaj.org/article/524edf722d3e466e941885c7bc6c717b
Autor:
Mohamed Abdellatief, Saeeb M. AL-Tam, Walid E. Elemam, Hani Alanazi, Gamal M. Elgendy, Ahmed M. Tahwia
Publikováno v:
Case Studies in Construction Materials, Vol 18, Iss , Pp e01724- (2023)
Industrial waste contributes to serious environmental issues. However, these issues can be solved by utilizing them as building materials. This paper investigated the effects of substituting the cement with a variety of industrial wastes and metakaol
Externí odkaz:
https://doaj.org/article/62ba682c102c4025b46b5ac44b772d0a
Publikováno v:
Buildings, Vol 14, Iss 1, p 37 (2023)
The high production of carbon dioxide from concrete cement manufacturing and the high utilization of natural resources in concrete has been a concern for research in recent decades. Eco-friendly concrete (Eco-Con) is a type of concrete that uses less
Externí odkaz:
https://doaj.org/article/c2f27d5a5bea4d4db532557ed1e3a963
Publikováno v:
Buildings, Vol 13, Iss 11, p 2726 (2023)
A viable strategy for promoting sustainable development and a cleaner environment is the reuse of demolition-related ceramic waste and ceramic manufacturing byproducts in the production of concrete. The purpose of this study is to assess the possibil
Externí odkaz:
https://doaj.org/article/629c5cc38634446b972c91a3109516fc