Forthcoming and Online First Articles

International Journal of Structural Engineering

International Journal of Structural Engineering (IJStructE)

Forthcoming articles have been peer-reviewed and accepted for publication but are pending final changes, are not yet published and may not appear here in their final order of publication until they are assigned to issues. Therefore, the content conforms to our standards but the presentation (e.g. typesetting and proof-reading) is not necessarily up to the Inderscience standard. Additionally, titles, authors, abstracts and keywords may change before publication. Articles will not be published until the final proofs are validated by their authors.

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International Journal of Structural Engineering (2 papers in press)

Regular Issues

  • Carbonation based deterioration of concrete structures and effect of carbonation curing   Order a copy of this article
    by Pankaj Rathore, Sanjeev Kumar Verma 
    Abstract: Deterioration of reinforced concrete structures due to carbonation induced corrosion is a significant problem. As a result, several significant researches were performed in recent decades for understanding the mechanisms and determining effective measures to control it. In urban areas, where environmental pollution results in considerable concentration of carbon dioxide, carbonation of concrete in structure takes place. In the case of carbonation, chemical reaction between carbon dioxide from air and the hydration products of cement in concrete causes reduction in the alkalinity of concrete and consequently reduce its ability to protect the steel from corrosion. This paper reviewed several researches on carbonation of concrete and describes the different methods for determining the carbonation state, and also describes carbonation curing method for reducing carbonation rate and enhancing the characteristics of concrete.
    Keywords: concrete; corrosion; carbonation; deterioration; curing.
    DOI: 10.1504/IJSTRUCTE.2023.10055579
     
  • Behaviour of RC beams and mechanical properties of geopolymer concrete   Order a copy of this article
    by Hisham Y. Makahleh, Haitham A. Badrawi 
    Abstract: The effects of substituting ordinary Portland cement (OPC) with fly ash and ground granulated blast furnace slag (GGBFS) on fresh and mechanical properties of concrete and the behaviour of reinforced concrete (RC) beams are explored. A control mix and two geopolymer concrete (GPC) mixes using 50% GGBFS and 50% fly ash for the first and 70% GGBFS and 30% fly ash for the second were used to cast 189 samples. Testing revealed that GPC samples reached the design compressive strength after 56 days of curing. Moreover, GPC demonstrated better durability when compared to conventional concrete. Upon testing of RC beams, it was concluded that GPC exhibits more ductility. Finally, GPC RC beams experienced the expected failure mode, i.e., flexural testing samples experienced a tension-controlled failure mode and shear testing samples exhibited a diagonal crack that propagated from the loading point to the support.
    Keywords: flexure; shear; fly ash; ground granulated blast furnace slag; GGBFS; geopolymer concrete; GPC; ordinary Portland cement; OPC; RC; ASTM; BS.
    DOI: 10.1504/IJSTRUCTE.2023.10055877
     

 

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