Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Tareq AL-Attar"'
Publikováno v:
Engineering and Technology Journal, Vol 42, Iss 11, Pp 1290-1303 (2024)
The inclusion of polyvinyl alcohol fiber (PVA) into an engineered cementitious composite (ECC) material is essential to impart mechanical and thermal properties, in addition to the enhancement of porosity and microstructural properties. Therefore, th
Externí odkaz:
https://doaj.org/article/1f65202d1a8d4dd1987bb4aa5f34d47d
Publikováno v:
Engineering and Technology Journal, Vol 41, Iss 11, Pp 1346-1354 (2023)
Global warming on planet Earth results from the high emission of greenhouse gases, especially CO2. The Portland cement industry releases high amounts of CO2 and is responsible for about 5-8% of total emissions. Efforts have been made to look for alte
Externí odkaz:
https://doaj.org/article/266beafad4c4410896359d685104f895
Publikováno v:
Engineering and Technology Journal, Vol 42, Iss 5, Pp 516-524 (2023)
The incorporation of fibers into engineered cementitious composite concrete imparts flexibility to the material. Therefore, using different types and contents of polymeric fibers would affect the behavior of such concrete types, and it is worth conte
Externí odkaz:
https://doaj.org/article/4fc4b09f163d4a49a4751c8f26df1f10
Publikováno v:
Engineering and Technology Journal, Vol 40, Iss 5, Pp 819-831 (2022)
One of the most user-friendly alternatives to ordinary concrete is geopolymer concrete(GPC), which achieves the same result. GPC is a unique substance made by activating source materials with a high concentration of silica and alumina. As a result, g
Externí odkaz:
https://doaj.org/article/ff149539ec894f07a58cad6d7b82e6a9
Publikováno v:
Engineering and Technology Journal, Vol 39, Iss 12, Pp 1875-1881 (2021)
Self-compacting geopolymer concrete (SCGPC) is a cutting-edge sustainable engineering material in construction that eliminates the need for both compaction and Portland cement. In this study, the impact of various steel fiber content on the workabili
Externí odkaz:
https://doaj.org/article/d23911ffb9c04b36adc1c0fb4c48b508
Publikováno v:
Engineering and Technology Journal, Vol 38, Iss 11A, Pp 1629-1639 (2020)
Currently, the use of high-volume fly ash lightweight concrete, HVFALWC, has acquired popularity as a durable, resource-efficient, and an option of sustainability for varying concrete applications. Electrochemical characteristics such as half- cell p
Externí odkaz:
https://doaj.org/article/471b6f10a55b486cb34d034400bed284
Publikováno v:
Engineering and Technology Journal, Vol 38, Iss 5A, Pp 728-737 (2020)
Decreasing the emissions of CO2 that come from vehicle exhaust, especially in car parking and tunnels, is so vital. CO2 emissions cause corrosion to a reinforcement of concrete. Thus, there is a need to provide a layer that protects the reinforcement
Externí odkaz:
https://doaj.org/article/105871213950416baef20b831ae3900d
Publikováno v:
Engineering and Technology Journal, Vol 37, Iss 7A, Pp 248-255 (2019)
Torsion of structural members and the behavior of steel fiber self- compacting reinforced concrete became the area of interest for many researchers nowadays. The experimental program of the present work consists of casting nine reinforced self-compac
Externí odkaz:
https://doaj.org/article/922fa65841774365a6d4689884c4ebab
Publikováno v:
Engineering and Technology Journal, Vol 37, Iss 3A, Pp 78-84 (2019)
In this study, the effect of rapid freezing and thawing (ASTM C666 – procedure A) on three different types of Geopolymer concrete studied using three types of pozzolanic material: fly ash, metakaolin and ground granulated blast furnace slag (GGBFS)
Externí odkaz:
https://doaj.org/article/db1fc8822cc6465e8190fc0a5473ced0
Autor:
Tareq Al-Attar, Ahmed Taha
Publikováno v:
Engineering and Technology Journal, Vol 36, Iss 12A, Pp 1260-1266 (2018)
This paper investigates the durability of high-volume Fly ash self-compacting concrete, HVFASCC that exposed to internal sulfate attack. At the present work, HVFASCC was produced with two Fly ash replacements: 50 and 60% by weight of Portland cement.
Externí odkaz:
https://doaj.org/article/00eaee1b5f9c40f6a48d7e06dc8bb6d6