Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Abideng Hawa"'
Autor:
Abideng Hawa
Publikováno v:
Engineering and Applied Science Research, Vol 49, Iss 6, Pp 731-734 (2022)
This paper presents geopolymer mortars from palm oil ash (POA) containing alumina powder (AP) with palm oil clinker (POC) for fine aggregate. Different AP contents in the geopolymers were investigated along with binder (BD) to alkali activator (AK) r
Externí odkaz:
https://doaj.org/article/ab9e5343386347b494185eb670e2cf6f
Autor:
Woraphot PRACHASAREE, Abideng HAWA
Publikováno v:
Medžiagotyra, Vol 23, Iss 4, Pp 378-383 (2017)
Very early high strength geopolymers are gaining acceptance as alternative repair materials for highways and other infrastructure. In this study, a very rapid geopolymer binder based on Metakaolin (MK) and Parawood ash (PWA), developed by the authors
Externí odkaz:
https://doaj.org/article/5f2c7f012359459d95ad7e67eda9ac87
Publikováno v:
Medžiagotyra, Vol 20, Iss 3, Pp 339-344 (2014)
Experimental tests were used to identify the optimum mix of metakaolin (MK) geopolymer mortars needed to achieve high early compressive strength. These tests investigated compressive strength, drying shrinkage, and sodium sulfate expansion of binary
Externí odkaz:
https://doaj.org/article/d8948362af764325bc2ef50e87643dcc
Publikováno v:
Advances in Materials Science and Engineering, Vol 2013 (2013)
High early strength is the most important property of pavement repair materials to allow quick reopening to traffic. With this in mind, we have experimentally investigated geopolymers using low cost raw materials available in Thailand. The geopolymer
Externí odkaz:
https://doaj.org/article/7209996bf1f244019a14a6d01597edb7
Publikováno v:
The Scientific World Journal, Vol 2013 (2013)
This study reports on the microstructure, compressive strength, and drying shrinkage of metakaolin (MK) based geopolymers produced by partially replacing MK by oil palm ash (OPA). The OPA was used as raw material producing different molar ratios of S
Externí odkaz:
https://doaj.org/article/293112b7cf40403da72cc80e4c8cf646
Autor:
Abideng Hawa, Preecha Salaemae, Akkadath Abdulmatin, Krittiya Ongwuttiwat, Woraphot Prachasearee
Publikováno v:
Civil Engineering Journal. 9:1271-1288
Most geopolymer binder is produced using raw materials comprising powder with high silica and alumina content. Additionally, fine aggregate is prepared with river sand for high bulk density. This research proposes using palm oil ash (POA) for the mai
Publikováno v:
Iranian Journal of Science and Technology, Transactions of Civil Engineering. 46:1103-1116
The aim of this study was to develop and propose classification criteria for practical assessment of concrete quality with a rapid sulfate resistance test. The rapid electrochemical sulfate resistance test based on ASTM C1202 has various advantages o
Autor:
Woraphot Prachasaree, Suchart Limkatanyu, Prinya Chindaprasirt, Abideng Hawa, Piti Sukontasukkul
Publikováno v:
Journal of Building Engineering. 32:101704
Geopolymer concrete has progressively gained acceptance as one of the best alternative construction materials in civil and infrastructural engineering applications. The geopolymer binders have excellent mechanical properties and commercial potential,
Publikováno v:
Arabian Journal for Science and Engineering. 39:8549-8558
Advances in research and development of geopolymer concrete have made it a feasible alternative material for civil and infrastructural applications. However, currently, there is a gap in design methodology due to lack of knowledge on geopolymer concr
Publikováno v:
Journal of Composites. 2014:1-7
The purpose of this study was to improve the mechanical characteristics and moisture resistance of parawood particle (PWP) cement composite board developed by the authors. PWP cement composites were prepared with a mixture containing 15.0% parawood p