Shamshinar Salehuddin
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Shamshinar Salehuddin
Official Name
Shamshinar, Salehuddin
Alternative Name
Salehuddin, Shamshinar
Salehuddin, S.
Salehuddin, Shamshinar Binti
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Scopus Author ID
55755201700
Researcher ID
FUC-0584-2022

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  • Publication
    Experimental Investigation on the Effectiveness of Truss-Shaped Punching Shear Reinforcement in Flat Slab
    ( 2022-07-18)
    Shamshinar Salehuddin
    ;
    Zaini S.S.
    ;
    Johari M.A.M.
    ;
    Nur Liza Rahim
    ;
    Mustaqqim Abdul Rahim
    The use of reinforced concrete flat slabs in building construction increases the floor-to-floor clearance, expedites site operations, and offers aesthetically rewarding features. However, punching shear failure in a flat slab is brittle in nature and can be potentially catastrophic. Many studies have been conducted to improve the punching shear capacity of flat slabs but some of the proposed punching shear reinforcements were complicated and costly. This research aimed to evaluate the effectiveness of a simple and cost-effective; truss-shaped punching shear reinforcement embedded in a 1200 mm × 1200 mm × 175 mm thick flat slab specimen. Three types of truss-shaped punching shear reinforcements were prepared. All specimens were supported at the edges and subjected to gravity load tests. The results showed that the introduction of truss-shaped punching shear reinforcement increased the punching shear capacity in the range of 7.71% to 21.47%. The maximum deflection of these specimens exhibited an insignificant increase compared to the control specimen, suggesting that punching failure governed the ultimate behavior. The additional strength offered by truss-shaped punching shear reinforcement makes flat slabs as a construction material more appealing because they allow them to withstand higher design loads.
  • Publication
    Assessment on the performance of flat slab under service load and ultimate load using ABAQUS
    ( 2020-06-10)
    Shamshinar Salehuddin
    ;
    Zaini S.S.
    ;
    Nik Zainab Nik Azizan
    ;
    Nur Liza Rahim
    ;
    Norlia Mohamad Ibrahim
    ;
    Mustaqqim Abdul Rahim
    ;
    Asyraf Mamat Ghani
    The research carried out to study on the performance of the flat slab under the design load. The design loads consist of service load, 14.68 kN/m2 and the ultimate load, 21.31 kN/m2. The justification on the design load was from the car park. The Three-Dimensional (3D) Finite Element Analysis (FEA) were conducted to investigate their failures modes with the appropriate modelling of element, mesh and concrete parameter. The size of flat slab was 1200 mm x 1200 mm x 175 mm while the material parameters were the Grade 25 for concrete and S275 for steel. It is found that the improvements more than 20% to the strength of model flat slab with shear reinforcement. Another outcome of the study indicated that the punching shear location using the FEA was less than 250 mm from column perimeter which is within the two times the depth (2d) from column face as proposed by the Eurocode 2: Design of Concrete Structures.
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