This page provides access to research works by Dr Zarina Yahya, currently a Lecturer of Faculty Engineering Technology, Universiti Malaysia Perlis.

News

Skills and Expertise: Structural Analysis, X-ray Diffraction, Construction, Construction Engineering, Civil Engineering Materials, Structural Dynamics, Earthquake Engineering, Building Materials, Construction Materials, Building, Concrete Technologies, Civil Engineering Technology, Construction Technology, Materials Engineering, Sustainable Construction, Civil Engineering, Construction Project Management, Concrete Durability, Concrete Material Technology, Cement, Structural Reliability, Scanning Electron Microscopy, Civil Engineering Highway Engineering, Concrete, Nondestructive Testing, Porosity, Compressive Strength, Silicate Cement, Fourier Transform Infrared Spectroscopy, Silicate, Calcination, Concrete Technology and Geopolymers.

Recent Submissions

  • The effect of curing temperature on physical and chemical properties of geopolymers 

    Mohd Mustafa, Al Bakri Abdullah; Kamarudin, Hussin; Mohammed Amjad, Hussain; Khairul Nizar, Ismail; Zarina, Yahya; Rafiza, Abdul Razak (Elsevier BV, 2011)
    Fly ash-based geopolymers required heat to increase the geopolymerization process in order to obtain higher compressive strength. As such, geopolymer samples were prepared using different curing temperatures (room temperature, ...
  • Chemical and physical characterization of boiler ash from palm oil industry waste for geopolymer composite 

    Zarina, Yahya; Mohd Mustafa, Al Bakri Abdullah; Kamarudin, Hussin; Khairul Nizar, Ismail; Andrei Victor, Sandu; Petricǎ, Vizureanu; Rafiza, Abdul Razak (Syscom 18 SRL/ SC BIBLIOTECA CHIMIEI SA, 2013-12)
    The characterizations of boiler ash waste from waste of palm oil industry were performed. The boiler ash was obtained from the boiler in the palm oil processing factory. The chemical and physical characterization has been ...
  • Effect of NaOH concentration on microstructure of boiler ash based geopolymer 

    Zarina, Yahya; Mohd Mustafa, Al Bakri Abdullah; Kamarudin, Hussin; Khairul Nizar, Ismail; Abdul Rahim, Abdul Razak (Trans Tech Publications Ltd., 2015)
    Boiler ash is one of the waste material from palm oil processing industry and it was widely available. The role of alkaline activator in geopolymer is important for its mechanical properties. NaOH and sodium silicate ...
  • Microstructure study on volcano ash geopolymer aggregate at different sintering temperature 

    Rafiza, Abdul Razak; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Djwantoro, Hardjito, Dr.; Wan Hamidon Wan Badaruzzaman, Ir. Dr.; Zarina, Yahya (Trans Tech Publications, 2014)
    Recent research shows that the by-product materials such as fly ash can be used as raw material in producing aggregates and lightweight aggregates. The usage of this material can improve the quality of the aggregates ...
  • Effect on strength and hardness of clay ceramic substrate after treatment using koalin based geopolymer glaze 

    Mohd Mustafa Al Bakri, Abdullah; Liyana, Jamaludin; Muhammad Faheem, Mohd Tahir; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Rafiza, Abdul Razak; Zarina, Yahya; Alida, Abdullah (Trans Tech Publications, 2014)
    Geopolymerization is an alternative for ceramic industry by using clay based material such as kaolin or calcined kaolin geopolymer. Geopolymer paste is initially produced by alkaline activation of calcined kaolin with NaOH ...
  • Compressive strength and morphology of fly ash based geopolymer as artificial aggregate with different curing temperature 

    Alida, Abdullah; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Zarina, Yahya; Mohd Arif Anuar, Mohd Salleh; Nurhamidah, Zakaria; Muhammad Faheem, Mohd Tahir (Trans Tech Publications, 2014)
    This paper presented the compressive strength of geopolymer paste with different NaOH concentration and morphology analysis for sintered artificial aggregate. This artificial aggregate was produce based on mix design with ...
  • Influence of dolomite on the mechanical properties of boiler ash geopolymer paste 

    Zarina, Yahya; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Mustafa Al-Bakri, Abdullah; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Rafiza, Abdul Razak (Trans Tech Publications, 2014)
    The waste material from palm oil industry has been increasing since Malaysia was the world largest exported of palm oil mill. The waste such as palm fibers, nut shells, palm kernel and empty fruit bunches are the solid ...
  • Design, processing and characterization of fly ash-based geopolymers for lightweight concrete application 

    Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Sandu, Andrei Victor; Mohamed, Bnhussain, Prof. Dr.; Zarina, Yahya; Rafiza, Abdul Razak (Institute for Scientific Information (ISI), 2013-04)
    The mix design of geopolymers plays important role in obtaining desirable compressive strength. Optimum mix design of geopolymers can be applied for application, such as lightweight concrete. In order to determine the ...
  • Comparison of geopolymer fly ash and ordinary Portland cement to the strength of concrete 

    Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohamed, Bnhussain, Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Rafiza, Abdul Razak; Zarina, Yahya (American Scientific Publishers, 2013-12)
    The aim of this study is to evaluate the effect of various fly ash: aggregate ratios by using fly ash (FA) based geopolymer compared to ordinary Portland cement (OPC) on the compressive strength of concrete. The different ...
  • Correlation between Na 2SiO 3/NaOH ratio and fly ash/alkaline activator ratio to the strength of geopolymer 

    Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Mohamed, Bnhussain, Prof. Dr.; Zarina, Yahya; Rafiza, Abdul Razak (Trans Tech Publications, 2012)
    Geopolymer requires an alkaline activator to induce it pozzolanic property and to accelerate the geopolymerisation process. The geopolymerisation process occurs due to the mixing of fly ash, sodium silicate and sodium ...