Norlia Mohamad Ibrahim
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Preferred name
Norlia Mohamad Ibrahim
Official Name
Norlia, Mohamad Ibrahim
Alternative Name
Ibrahim, Norlia Mohamad
Norlia, M. I.
Norlia, M.
Ibrahim, N. M.
Mohamad, N.
Main Affiliation
Scopus Author ID
57195339786
Researcher ID
AAV-6726-2021

Research Output

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  • Publication
    Risk of contamination of sturgeon species along the lower Danube with AcIV-E virus from sturgeons raised in aquaculture systems
    (IOP Publishing, 2023)
    Gy Deák
    ;
    R Matache
    ;
    R Prangate
    ;
    G Dumitrescu
    ;
    E Holban
    ;
    L Lupea
    ;
    Nur Liza Rahim
    ;
    Norlia Mohamad Ibrahim
    It is considered that most infections caused by pathogen agents in fish species raised in the closed medium like fishing farms originate from the natural environment, thus there are few information on virus transmission from species raised in aquaculture programs to the wild ones. This issue is important taking into account that the wild sturgeon populations are critically endangerment, and regarding to the IUCN Red List, two of these are already declared extinct. Within Danube Basin, environmental and anthropic factors series (reproduction habitats lost, hydrotechnical works) have caused the sturgeon distribution area to be restricted mainly in the lower segment of the river. In addition, intensive fishing or the introduction of invasive species have produced negative effects and hence the decrease in the population effectiveness. As result, from six native sturgeon species within Danube Basin, in our days, only four are still found. This review shall include an analysis of the status of knowledge, regarding the possible influence which the transmission of some viruses within sNCLDV from aquaculture species to the wild ones, also it shall propose an assessment of the risk of infection within Danube ichthyofaunal.
  • Publication
    Physical properties of Dolomite fines as partially replacement of cement
    ( 2023-01-01)
    Mustaqqim Abdul Rahim
    ;
    Ivin C.
    ;
    Norlia Mohamad Ibrahim
    ;
    Shahidan S.
    ;
    Afizah Ayob
    ;
    Nor Faizah Bawadi
    ;
    Shamilah Anudai @ Anuar
    ;
    Zuki S.S.M.
    ;
    Shamshinar Salehuddin
    Since the cost of cement increases and the pollution to environment due to greenhouse effect are becoming more serious year by year, thus, dolomite fines subjected to replace the cement in concrete mix as it has lower cost compared to cement and it is obtain directly from the Earth ground without any manufactured process. Dolomite fines also shows almost similar physical and chemical properties as cement. The various replacement of cement with dolomite fines carried out in this study is 0%, 5%, 10%, 15% and 25%. The grade of concrete sample designed to be 30. The properties of concrete sample in terms of physical characteristics; slump, density and water absorption for various percentage replacement are determined in this study. In this study, it shows the dolomite fines are lightweight aggregate compared to the cement and the water absorption of is lower compare to that of the control concrete.
      2
  • Publication
    The Effect of Chemical Treated Spent Mushroom Substrate (SMS) on Lignocellulosic Content
    ( 2023-01-01)
    Adi M.R.M.
    ;
    Tengku Nuraiti Tengku Izhar
    ;
    Norlia Mohamad Ibrahim
    ;
    Norhidayah Abd Aziz
    ;
    Hadiyanto H.
    ;
    Matei M.
    A by-product of the mushroom industry, spent mushroom substrate (SMS) is primarily made of lignocellulosic agricultural waste. SMS contains cellulose (38-46.6%), lignin (25-34.5%), and hemicellulose (19-27.7%) and is nutrient-rich. The primary objectives of this study included the characterization of SMS, analysis of lignocellulosic content prior to and following pre-treatment, analysis of the effects of various NaOH concentrations with varying molarities (1.0 to 5.0 Molar), and analysis of surface morphology using a scanning electron microscope (SEM). The result that comparison between untreated and treated sample The result for untreated are contain high amount of lignin from 23.85% to 27.39% and for treated are amount reduce from 20.6% to 23.85%. The difference of NaOH concentration from 1.0 to 5.0 Molar, so the best pre-treatment is alkaline pre-treatment from 1.0 to 3.0 M are the best concentration to treat SMS sample from alkaline pre-treatment and proved sodium hydroxide pre-treatment as an effective method to reduce the hemicellulose and lignin contents. Images clearly showed how the pre-treatment could alter the biomass's structural makeup and distort it, increasing the surface area that was open to enzymatic attack. The pre-treated SMS's surface had numerous sporadic pores and cracks. The study's findings demonstrated that SMS from the P. sajor-caju species has the potential to provide a new source of glucose for bioethanol production.
      1
  • Publication
    Physical and mechanical properties of coconut shell concrete (CSC)
    ( 2021-07-21)
    Mustaqqim Abdul Rahim
    ;
    Cheah S.W.
    ;
    Afizah Ayob
    ;
    Norlia Mohamad Ibrahim
    ;
    Shamilah Anudai @ Anuar
    ;
    Nor Faizah Bawadi
    ;
    Shahidan S.
    ;
    Ahmad A.N.A.
    The use of waste products as partial replacement for the material in concrete can help to reduce the environmental and economic problem. Coconut shell (CS) is one of the agricultural waste that suitable to use as and coarse aggregates replacement due availability of CS which not only can help to decrease the cost of the concrete and reduce the environmental problem, it also can maintain the properties of the concrete. In this study, the compressive strength of the concrete has been chosen to be investigated. Three different types concrete cube have been casted in this study; 0, 10%, 15%, 20% of CS to replace for coarse aggregates. The size of the cube samples to be casted is 100 x 100 x 100 mm and were cured for 7 and 28 days. The study shows that the optimum percentage for CS concrete is 10% due to in this percentage of replacement, it gives the highest compressive strength value compare to other percentage at 28 days.
      4
  • Publication
    Workability and density of concrete containing Coconut Fiber
    ( 2022-01-01)
    Norlia Mohamad Ibrahim
    ;
    Nur Liza Rahim
    ;
    Roshazita Che Amat
    ;
    Mustaqqim Abdul Rahim
    ;
    Woo Chin Kah
    ;
    Irnis Azura Zakaria
    ;
    Moncea Andreea
    Use of natural fiber in concrete to enhance the strength of concrete have been used widely and become as part of an alternative building materials. For instance, the use of coconut fiber (CF) which are non-hazardous, environmental-friendly and can improves the engineering properties of concrete. The aim of this study is to identify the workability and density of CF modified concrete. CF were added into the mixture in 3 different amount that is 200 g, 400 g, and 600 g. The size of the cube samples is 100 × 100 × 100 mm and were cured for 14 days, and 28 days. To evaluate the effect of CF in improving the properties of concrete, the properties of ordinary concrete are used as a reference which consist 0% CF. The fresh and hardened densities for all samples also show that when more fiber was added into mixture, densities reduced. As summary, the study shows that by adding CF in concrete reduced the workability and density of concrete.
      1  29
  • Publication
    The stiffness of steel-wood-steel connection loaded parallel to the grain
    ( 2022-01-01)
    Nur Liza Rahim
    ;
    Raftery G.
    ;
    Quenneville P.
    ;
    Ing D.S.
    ;
    Nabialek M.
    ;
    Jaya R.P.
    ;
    Norlia Mohamad Ibrahim
    ;
    Mohd. Mustafa Al Bakri Abdullah
    ;
    Śliwa A.
    In Eurocode 5, the stiffness equation for bolted steel-wood-steel is stated as a function of wood density and fastener diameter only. In this research, an experimental study on various configurations of tested bolted steel-wood-steel (SWS) connections has been undertaken to predict the initial stiffness of each connection. In order to validate the Eurocode 5 stiffness equation, tests on 50 timber specimens (40 glued laminated timbers and 10 laminated veneer lumbers (LVL)) with steel plates were undertaken. The number of bolts was kept similar and the connector diameter, timber thickness, and wood density were varied. The results obtained in the experimental tests are compared with those obtained from the Eurocode 5 stiffness equation. From the analysis, it is signified that the stiffness equation specified in Eurocode 5 for bolted SWS connections does not adequately predict the initial stiffness. The results from Eurocode 5 stiffness equation are very far from the experimental values. The ratio of stiffness equation to experimental results ranges from 3.48 to 4.20, with the average at 3.77, where the equation over-predicted the experimental stiffness value for the connection. There is a need to consider or incorporated other parameters such as geometric configurations in Eurocode 5 stiffness equation to improve the ratio with the experimental data.
      2
  • Publication
    The stiffness of steel-wood-steel connection loaded parallel to the grain
    ( 2022-01-01)
    Nur Liza Rahim
    ;
    Raftery G.
    ;
    Quenneville P.
    ;
    Ing D.S.
    ;
    Nabialek M.
    ;
    Jaya R.P.
    ;
    Norlia Mohamad Ibrahim
    ;
    Mohd. Mustafa Al Bakri Abdullah
    ;
    Śliwa A.
    In Eurocode 5, the stiffness equation for bolted steel-wood-steel is stated as a function of wood density and fastener diameter only. In this research, an experimental study on various configurations of tested bolted steel-wood-steel (SWS) connections has been undertaken to predict the initial stiffness of each connection. In order to validate the Eurocode 5 stiffness equation, tests on 50 timber specimens (40 glued laminated timbers and 10 laminated veneer lumbers (LVL)) with steel plates were undertaken. The number of bolts was kept similar and the connector diameter, timber thickness, and wood density were varied. The results obtained in the experimental tests are compared with those obtained from the Eurocode 5 stiffness equation. From the analysis, it is signified that the stiffness equation specified in Eurocode 5 for bolted SWS connections does not adequately predict the initial stiffness. The results from Eurocode 5 stiffness equation are very far from the experimental values. The ratio of stiffness equation to experimental results ranges from 3.48 to 4.20, with the average at 3.77, where the equation over-predicted the experimental stiffness value for the connection. There is a need to consider or incorporated other parameters such as geometric configurations in Eurocode 5 stiffness equation to improve the ratio with the experimental data.
      3  2
  • Publication
    Exploring the potential of agricultural waste as natural resource-based adsorbents for methylene blue removal
    ( 2024-01-01)
    Nur Liza Rahim
    ;
    Muhamad Farid Idham Sulaiman
    ;
    Ain Nihla Kamarudzaman
    ;
    Norlia Mohamad Ibrahim
    ;
    Roshazita Che Amat
    ;
    Syakirahafiza Mohammed
    ;
    Norazian Mohamed Noor
    ;
    Deák G.
    ;
    Liyana Ahmad Sofri
    Excessive agricultural waste in the agricultural industry leads to various forms of pollution, including water pollution. To address this issue, there's a growing interest in finding alternative methods. One approach is to utilize agricultural waste as natural resource-based adsorbents to eliminate contaminants, such as the case of methylene blue (MB) in this study. The study specifically focuses on using rice husk (RH) from a local rice mill in Perlis, Malaysia, to absorb methylene blue. The structure of rice husk, characterized by scanning electron microscopy (SEM), reveals a coarser and more compact outer area, contributing to its absorption capacity for methylene blue. The study on rice husk involves three main aspects: contact time, adsorbent dosage, and dye concentration. The removal percentage of MB increased as the three studied adsorption parameters increased. The adsorption data were analyzed using Langmuir and Freundlich adsorption isotherms, with the the Freundlich Isotherms were found to be more suitable based on higher coefficient of correlation (R2) values compared to Langmuir. The pseudo-second-order kinetics model demonstrated a higher R2value (1.00) compared to the pseudo-first-order model (0.747). The results indicate promising potential for addressing pollution through sustainable means and provide insights into the adsorption process under varying conditions.
      2
  • Publication
    Effect of bottom ash and limestone on the optimum binder content in Hot Mix Asphalt (HMA)
    ( 2022-01-01)
    Nur Liza Rahim
    ;
    Syakirah Afiza Mohammed
    ;
    Noor Aina Misnon
    ;
    Nurhidayah Hamzah
    ;
    Roshazita Che Amat
    ;
    Norlia Mohamad Ibrahim
    ;
    Christina Remmy Entalai
    ;
    Deák György
    One of the most effective and simplest methods to minimize waste as well as reduce the environmental problems associated with waste disposal is by utilizing waste materials as a cement replacement in hot mix asphalt (HMA) mixtures which can provide the same or better stability as the conventional method. Fillers play an important role in the stability and strength of the pavement by filling voids between the aggregate particles in the performance of the HMA mixture. This research investigated the effect of the utilization of different types of filler (bottom ash and limestone) on the optimum binder content of HMA. Flow, stability, stiffness, air void in mix (VIM) and void filled with bitumen (VFB) were determined using the Marshal Method test in order to determine the optimum binder content of HMA for all mineral filler. The results of the Marshall test for each filler have been compared with the JKR standard specification. The optimum binder content for bottom ash, limestone and Ordinary Portland Cement (OPC) was 5.42%, 5.65% and 5.54%, respectively. All values of mineral filler used meet the JKR standard specification, where the range is between 4 and 6%. From the result achieved, the bottom ash has the lower optimum binder content value compared to the limestone and OPC. When the lower binder content is used in the bituminous mixture, the cost for pavement construction will be reduced.
      4  2
  • Publication
    Investigation of bamboo as concrete reinforcement in the construction for low-cost housing industry
    ( 2020-06-10)
    Rahim N.L.
    ;
    Norlia Mohamad Ibrahim
    ;
    Shamshinar Salehuddin
    ;
    Syakirah Afiza Mohammed
    ;
    Othman M.Z.
    Concrete is the most consumed material, with three tonnes per year used for every person in the world. Twice as much concrete is used in construction as all other building materials combined. Concrete has excellent characteristic in compressive strength, but low in tensile strength. Steel commonly used in reinforcing material because of high tensile strength. The usage of steel as reinforcing material is limited because it is costly and also has an effect on air pollution during its manufacturing process. As an alternative to overcome this problem, bamboo material has been used as a replacement of reinforcement in concrete. Bamboo is a suitable material because it is a natural material, cheap and also available material. In this research, the performance of bamboos as an alternative material in reinforced concrete has been evaluated. Tensile strength test of bamboos has been performed to identify the yields stress of bamboos. From the test, result has shown that bamboo has a similar characteristic with steel and bamboo can be used as an alternative material for reinforcing concrete. However, the characteristic of bamboos showed high water absorption and low bonding strength between bamboo's surface and concrete. In this research, a waterproofing agent has been used to minimize water absorption and increase the bonding strength. Flexural strength test of the bamboo singly reinforced beam with the size of 150 mm x 150 mm x 750 mm has been undertaken to determine the performance of bamboo as reinforcement. From the test, it has resulted that bamboo give good potential as an alternative material in concrete reinforcement for low-cost housing industry.
      1  41