Search

Your search keyword '"Johari, Megat Azmi Megat"' showing total 14 results
Start Over Author "Johari, Megat Azmi Megat" Journal construction and building materials
14 results on '"Johari, Megat Azmi Megat"'

5. Influence of composition and concentration of alkaline activator on the properties of natural-pozzolan based green concrete

Author

Ibrahim, Mohammed, Johari, Megat Azmi Megat, Maslehuddin, Mohammed, Rahman, Muhammed Kalimur, Salami, Babatunde Abiodun, and Mohamed, Hatim Dafalla

Subjects
Composite building materials -- Mechanical properties -- Chemical properties -- Analysis, Aluminum compounds, Sodium silicate, Hydroxides, Silicon compounds, Silicates, Business, Construction and materials industries
Abstract

ABSTRACT The chemical constituents of precursor materials, the composition and concentration of alkaline activators, volume of free water, and curing conditions are some of the mix design variables that influence [...]

Published
2019
Full Text
View/download PDF

6. Synthesis of low temperature cured alkaline activated silicomanganese fume mortar

Author

Najamuddin, Syed Khaja, Johari, Megat Azmi Megat, Maslehuddin, Mohammed, and Yusuf, Moruf Olalekan

Subjects
Compressive strength -- Analysis, Mortar -- Mechanical properties -- Thermal properties -- Chemical properties -- Analysis, Silicomanganese, Industrial wastes, Business, Construction and materials industries
Abstract

ABSTRACT Silicomanganese (SiMn) fume is an industrial waste whose potency in the synthesis of alkaline activated mortar is yet to be explored. The major constituents of SiMn fume are Si[O.sub.2], [...]

Published
2019
Full Text
View/download PDF

7. Impact of Al[(OH).sub.3] addition to POFA on the compressive strength of POFA alkali-activated mortar

Author

Salami, Babatunde Abiodun, Johari, Megat Azmi Megat, Ahmad, Zainal Arifin, Maslehuddin, Mohammed, and Adewumi, Adeshina Adewale

Subjects
Compressive strength -- Analysis, Microstructures -- Analysis, Mortar -- Mechanical properties -- Analysis, Business, Construction and materials industries
Abstract

ABSTRACTThe study reports the influence of Al[(OH).sub.3] as alumina source on the compressive strength of POFA alkaliactivated mortar (POFA AAM). The synthesis of the developed POFA AAM stems from the [...]

Published
2018
Full Text
View/download PDF

8. Enhancing the engineering properties and microstructure of room temperature cured alkali activated natural pozzolan based concrete utilizing nanosilica

Author

Ibrahim, Mohammed, Johari, Megat Azmi Megat, Rahman, Muhammed Kalimur, Maslehuddin, Mohammed, and Mohamed, Hatim Dafalla

Subjects
Compressive strength -- Analysis, Concretes -- Chemical properties -- Thermal properties -- Analysis, Microstructures -- Analysis, Polymerization -- Analysis, Business, Construction and materials industries
Abstract

ABSTRACTThe strength gain of alkali-activated binders (AAB) when cured at room temperature is delayed due to the slow polymerization process. This is the major impediment in the utilization of this [...]

Published
2018
Full Text
View/download PDF

9. An overview and experimental study on hybrid binders containing date palm ash, fly ash, OPC and activator composites

Author

Kutti, Walid Al-, Nasir, Muhammad, Johari, Megat Azmi Megat, Islam, A.B.M. Saiful, Manda, Abdullah A., and Blaisi, Nawaf I.

Subjects
Greenhouse gases -- Research, Binders (Materials) -- Usage, X-ray diffraction -- Usage, Business, Construction and materials industries
Abstract

ABSTRACT Global warming due to high greenhouse gasses emission coupled with excessive energy involved in concrete manufacturing process is indeed an alarming threat. To overcome the problem, numerous researches have [...]

Published
2018
Full Text
View/download PDF

10. Effect of alkaline activators and binder content on the properties of natural pozzolan-based alkali activated concrete

Author

Ibrahim, Mohammed, Johari, Megat Azmi Megat, Rahman, Muhammed Kalimur, and Maslehuddin, Mohammed

Subjects
Concretes -- Research, Pozzolans -- Chemical properties -- Research, Binders (Materials) -- Research, Compressive strength -- Analysis, Business, Construction and materials industries
Abstract

ABSTRACT The stringent conditions are being imposed by the global community to reduce greenhouse gas emissions, will push the search for low carbon footprint alternative binders to ordinary Portland cement. [...]

Published
2017
Full Text
View/download PDF

11. Durability performance of Palm Oil Fuel Ash-based Engineered Alkaline-activated Cementitious Composite (POFA-EACC) mortar in sulfate environment

Author

Salami, Babatunde Abiodun, Johari, Megat Azmi Megat, Ahmad, Zainal Arifin, and Maslehuddin, Mohammad

Subjects
Building materials durability -- Analysis, Concrete curing -- Analysis, Compressive strength -- Analysis, Cements (Building materials) -- Chemical properties -- Mechanical properties -- Analysis, Business, Construction and materials industries
Abstract

ABSTRACT This paper presents an investigation into the durability performance of Palm Oil Fuel Ash-based Engineered Alkaline-activated Cementitious Composite (POFA-EACC) mortar exposed to sulfate environment. Cube specimens measuring 50 mm [...]

Published
2017
Full Text
View/download PDF

12. Influence of curing methods and concentration of NaOH on strength of the synthesized alkaline activated ground slag-ultrafine palm oil fuel ash mortar/concrete

Author

Yusuf, Moruf Olalekan, Johari, Megat Azmi Megat, Ahmad, Zainal Arifin, and Maslehuddin, Mohammed

Subjects
Concrete -- Chemical properties -- Mechanical properties, Sodium hydroxide -- Usage, Business, Construction and materials industries
Abstract

ABSTRACT Efficiency in energy-utilization in the adoption of curing methods and effects of NaOHaq concentration towards achieving a better strength performance in the synthesis of alkaline activated ground-steel-slag (GSS) with [...]

Published
2014
Full Text
View/download PDF

13. Strength and microstructure of alkali-activated binary blended binder containing palm oil fuel ash and ground blast-furnace slag

Author

Yusuf, Moruf Olalekan, Johari, Megat Azmi Megat, Ahmad, Zainal Arifin, and Maslehuddin, Mohammed

Subjects
Slag -- Mechanical properties -- Research, Fly ash -- Mechanical properties -- Research, Business, Construction and materials industries
Abstract

ABSTRACT In this study, combinations of ultrafine palm oil fuel ash (UPOFA) and ground blast furnace slag (GBFS) have been used to study the compressive strength and microstructure of the [...]

Published
2014
Full Text
View/download PDF

14. Effects of addition of Al[(OH).sub.3] on the strength of alkaline activated ground blast furnace slag-ultrafine palm oil fuel ash (AAGU) based binder

Author

Yusuf, Moruf Olalekan, Johari, Megat Azmi Megat, Ahmad, Zainal Arifin, and Maslehuddin, Mohammad

Subjects
Fly ash -- Chemical properties -- Analysis, Business, Construction and materials industries
Abstract

ABSTRACT Effects of Al[(OH).sub.3] content on the compressive-strength of alkaline activated ground blast furnace slag (GBFS)-ultrafine palm oil fuel ash (UPOFA) based mortar (AAGU) were investigated. The mortar was activated [...]

Published
2014
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results