Forthcoming and Online First Articles

International Journal of Structural Engineering

International Journal of Structural Engineering (IJStructE)

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International Journal of Structural Engineering (5 papers in press)

Regular Issues

  • A review on textile waste production, management and its applications in construction engineering field   Order a copy of this article
    by Mantesh Basappa Khot, K.S. Sridhar, D. Sethuram 
    Abstract: The textile and clothing commercial enterprise is very necessary to the international financial system in phrases of investment, employment revenue and trade. This assessment article is supposed to spotlight and pick out the most applicable new research that have been undertaken to look at the recycling strategies for the usage of a cloth waste as a reinforcement with epoxy and different matrix materials. This work tries to evaluate most of the lookup finished in current years (2015-2021). Many corporations and lookup agencies have taken this notion severely and are working to create extra and greater advantageous alternatives, especially in industrialised countries. Even industries are keen to locate and increase environmentally pleasant merchandise while adhering to extreme environmental-related authorities policies in order to shield the environment. The existing overview paper includes: 1) a short define on producing composites the usage of material waste; 2) material recycling techniques and its barriers; 3) exploring viable purposes of fabric waste into a thermoplastic and thermosetting matrices; 4) A compressive conclusions on the lookup work carried out presently and on the possible to strengthen engineering for a range of applications.
    Keywords: environmental impact; textile waste; recycling; re-use.
    DOI: 10.1504/IJSTRUCTE.2022.10048617
  • Effects of the near-fault acceleration and non-acceleration pulses on the inter-story drift ratio of the building structures   Order a copy of this article
    by Amir H. Akhaveissy, M. Fathi, B. Ganbari, H. Mousavi 
    Abstract: In this study, effects of two types of velocity pulses: visible acceleration pulses (acc?pulses) and succession of high-frequency one-sided acceleration spikes (non?acc?pulses) are investigated on inter-story drift ratio of multi-story buildings. For this purpose, it is considered a simplified model of multi-story buildings as a continuous cantilever beam including a combination of flexural cantilever beam and shear cantilever beam. 41acc-pulse motions and 38 non-acc-pulse motions are used to calculate the maximum inter-story drift ratio (MIDR) of multi-story buildings with different lateral resisting systems and fundamental periods that ranges from 0.05 to 10 s. The results showed that in the intermediate period (1 < T < 3.5 s) building structures the MIDRs obtained from the acc?pulse motions were about two times larger than non?acc?pulse motions. Also, under acc?pulses motion, the height-wise location of MIDR (HMID) in the flexural-type structural system is very sensitive to the period of vibration. So that with the increase of the fundamental period of the building structure, the HMID moved towards the lower half of building.
    Keywords: velocity pulse; acceleration pulse; inter-story drift ratio; continuous beam model.
    DOI: 10.1504/IJSTRUCTE.2022.10050647
  • Experimental and analytical study of the behavior of a composite floor with novel types of shear connectors   Order a copy of this article
    by Aniket A. Shirgaonkar, Yogesh D. Patil, Hemant S. Patil 
    Abstract: The horizontal shear transmission action at the steel-concrete interface is responsible for the composite slab’s strength. The bond strength is improved by embossment and by the shear connector; which creates a link between concrete and steel sheeting. Fixing shear studs by welding reduces the strength properties and also adds to the cost. In this paper, five composite slab specimens were cast and tested in accordance with Eurocode 4 and also three novel shear connection systems were proposed. These three shears connection systems were compared with end shear studs. The results of nonlinear finite element analysis show a strong agreement with the results of the experimental study. It is found that the staggered scheme of reduced flange channel shear connectors with and without longitudinal rebars approaches the complete interaction condition. Transverse rebars integrated with profiled deck sheet also proves to be a better alternative to conventionally used end shear studs.
    Keywords: composite slab; channel connector; finite element analysis; slip.
    DOI: 10.1504/IJSTRUCTE.2022.10051131
  • Blast performance enhancement prediction of circular column with helical mesh reinforcement and strengthened with UHPFRC plaster, and CFRP wrapping under close-in blast   Order a copy of this article
    by Rafat Tahzeeb, Mehtab Alam, S.M. Muddassir 
    Abstract: A 3-D model of the circular reinforced concrete (RC) column equivalent to the validated square RC column is developed in ABAQUS/explicit software with 10 mm finite element size and its response is investigated under the axial compression of 950 kN and explosion loading of 82 kg-TNT at scaled distance 1 m/kg1/3. To improve the anti-blast resistance of the column, the provision of helical reinforcement mesh with six bars of the area of cross-section equal to the single bar helix, turning each of the six bars successively in the opposite directions has been considered. Performance of the columns is compared. Also, on the columns with helical mesh: 1) 15 mm thick UHPFRC plaster; 2) 2 mm thick wrapping of CFRP, are considered for the blast performance enhancement. Superior blast performance was observed in the case of the column with helical reinforcement mesh strengthened with the CFRP wrapping in terms of damage and maximum displacement.
    Keywords: blast loading; CFRP; damage; helical reinforcement; RC columns; UHPFRC.
    DOI: 10.1504/IJSTRUCTE.2022.10052065
  • Does concrete modular system add value in residential buildings? - Case study and qualitative evaluation   Order a copy of this article
    by Jason Lim, Muhammad Nurul Afla, Elia Oey 
    Abstract: The concept of modularity has been widely accepted in production environment. However, its adoption in the construction sector is still limited. The research aims to address what are the main (sub) challenges in adopting concrete modularity concept in residential housing. The study collected possible challenges from previous studies, and asked expert respondents to perform AHP-pair wise comparison. It also used parameters from two case projects of a two-storey housing to examine the time and cost implications for modular concrete construction. The results shown the high upfront investment cost, lack of interest from consumers, no/lack of guidelines and regulation in design, lack of suppliers/products and complexity to integrate with onsite structure as the top five sub-challenges. From the project case 4% cost increase and 25% time saving can be expected from modular concrete adoption to a two-storey housing project.
    Keywords: modular concrete; AHP; challenges; time saving; cost saving.
    DOI: 10.1504/IJSTRUCTE.2023.10053448