Browsing Journal Articles by Author "Farah Farhana, Zainal"
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Corrosion performance of reinforcement bar in geopolymer concrete compare with its performance in ordinary portland cement concrete: A short review
Farah Farhana, Zainal; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Azmi, Rahmat, Prof.; Mohd Mustafa Al-Bakri, Abdullah; Norainiza, Saud (Trans Tech Publications, 2013)Since decades ago, corrosion is the crucial factors for million dollars loss in construction industry. Corrosion of reinforcement bar in ordinary Portland cement (OPC) concrete is mainly due to chloride and acid attack and ... -
The effect of chloride ion diffusion on corrosion activity of kaolin geopolymer paste in artificial seawater
Sahrul, Abd Hakim; Yusrina, Mat Daud; Mohammad Firdaus, Abu Hashim; Mohd Mustafa Al Bakri, Abdullah; Hasri; Hartati (IOP Publishing Ltd, 2019-12)This paper presents the effect of chloride ion diffusion on the corrosion activity of kaolin geopolymer paste in artificial seawater. An aluminosilicate material that rich with aluminium and silicon such as kaolin is ... -
A study on relationship between porosity and compressive strength for geopolymer paste
Farah Farhana, Zainal; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Azmi, Rahmat, Prof.; Mohd Mustafa Al-Bakri, Abdullah (Trans Tech Publications, 2013-12)This paper presents a study on the relationship between porosity and compressive strength for geopolymer paste. In this research, geopolymer paste was made from fly ash class F based geopolymer mixed with alkaline activator; ... -
Weibull and hargreaves methods to determine the wind and solar energy - Case study
Noor Syafawati, Ahmad; Ismail, Daut, Prof. Dr.; Muhammad Irwanto, Misrun; Saidatul Shema, Saad; Farah Farhana, Zainal; Nurul Razliana, Abd Razak; Shatri, C.; Arizadayana, Zahalan (Trans Tech Publications, 2012)This paper presents a case study of Weibull and Hargreaves methods used to determine the wind speed characteristic and solar radiation pattern in Perlis the northern part of Peninsular Malaysia. These two methods are then ...