Predictive Behaviour from Finite Element Analysis on PVC-Ducted Reinforced Concrete Column
Felix Kwarteng *
Bosome Freho District Assembly, Asiwa-Ashanti, Ghana.
Charles K. Kankam
Civil Engineering Department, KNUST, Kumasi, Ghana.
Jack O. Banahene
Civil Engineering Department, KNUST, Kumasi, Ghana.
George Oti Boateng
Civil and Environmental Engineering Department, UENR, Sunyani, Ghana.
Edward Ceasar Mansal
Civil Engineering Department, USET, the Gambia.
*Author to whom correspondence should be addressed.
Abstract
This research investigated the behaviour of square reinforced concrete columns with embedded PVC pipes, aiming to comprehensively analyze their performance. The study addressed the lack of significant research on the contributions and effects of embedded PVC pipes on structural performance compared to hollow columns. The objectives of the study sought to evaluate the contributions and effects of embedded PVC pipes on the structural performance of columns under loading conditions, determine how the presence of PVC pipes influenced the columns' ability to deform and dissipate energy, and identify the optimal size of PVC pipes to enhance column performance while maintaining stability and safety. Numerical analysis using ABAQUS CEA 2020 software was employed to simulate the behavior of reinforced concrete columns with embedded PVC pipes. The computational model used the same cross-sections with varying diameters of PVC pipes (50mm, 75mm and 100mm). The analysis focused on assessing load-bearing capacities, deformation characteristics, and energy dissipation patterns under axial vertical displacement loading scenario. Findings indicated that PVC-embedded columns exhibit, on average, approximately 0.5% higher load-bearing capacities than Perforated columns. With a composite average of 0.00543 for plastic strains (LE) in PVC-Embedded columns compared to 0.00673 in Perforated columns, a composite average of 5.87E-03 for Equivalent Plastic Strains (PEEQ) in PVC-Embedded columns compared to 7.41E-03 in Perforated columns, and a composite average of 0.0091 for Magnetic Potential Energy (PEMag) in PVC-Embedded columns compared to 0.012 in Perforated columns, collectively suggested that PVC pipes positively impact controlled deformation and energy dissipation. The observed trend is particularly evident in specific instances, with PVC-Embedded-50mm exhibiting a marginal load-bearing increase of approximately 0.2%, PVC-Embedded-75mm indicating an improvement of about 0.5%, and PVC-Embedded-100mm manifesting a load-bearing capacity increase of roughly 0.7%. Overall, these findings highlight that smaller sizes of embedded PVC pipes result in better load-bearing performance. The study recommended meticulous attention to material composition and structural design during PVC-embedded column implementation, careful selection of PVC pipe sizes based on structural requirements and project specifications, further research on dynamic loading conditions to comprehensively understand column behavior, and implementation of stringent quality control measures during manufacturing and construction processes.
Keywords: PVC embedded column, perforated column, force-displacement relationship, plastic strains, equivalent plastic strains, magnetic potential energy
How to Cite
Downloads
References
Nilson AH, Darwin D, Dolan CW. Design of Concrete Structures (14th ed.). McGraw-Hill Education; 2010.
Ambrose J, Tripeny P, Ambrose B. Simplified Engineering for Architects and Builders (11th ed.). Wiley; 2010.
Rajkumar A, Madhavaraj K. Behaviour of Concrete Filled PVC Plastic Tubes (CFPT) Placed in Columns; 2016.
Hussien A. Numerical Investigation On the Effects of Embedding PVC Pipes in Reinforced Concrete Beams. Afribary. Accessed on [March 20, 2023]; 2019. Available:https://afribary.com/works/numerical-investigation-on-the-effects-of-embedding-pvc-pipes-in-reinforced-concrete-beams
Najafabadi SHM. Experimental study of reinforced concrete columns with embedded pipe: University Teknologi Malaysia; 2010.
Kani GN. Effect of Size and Shape of Hollow Concrete Column on Strength. International Journal of Scientific and Research Publications. 2013;3(10):1-4.
Elmaguid MA, El-Salakawy EF, Rizkalla SH. Hollow reinforced concrete columns: A review of research developments. Journal of Materials in Civil Engineering. 2021;33(1):04020306.
Basravi A. Finite element analysis of reinforced concrete column with longitudinal hole. Faculty of Civil Engineering Universiti Teknologi Malaysia; 2010.
Abaqus/CAE. Abaqus 6.11 Analysis user's manual (Elements) (Vol. IV). RI, USA: Dassault system simulia corporation; 2020.
Elkady A. "ABAQUS_CDP Generator: A tool for generating concrete damage parameters for ABAQUS" Zenodo, Version v23.04; 2023. DOI: 10.5281/zenodo.7755926
Elkady A. "ABAQUS_SteelMat_Generator: A tool for generating metal plastic and damage parameters for ABAQUS" Zenodo, Version v23.04; 2023. DOI: 10.5281/zenodo.7756886
Mosley WH, Bungey JH, Hulse R. Reinforced concrete Design, New York: Palgrave; 1999.
ACI 318. ACI 318-14. Building Code Requirements for Structural Concrete. Farmington Hills, Michigan.: American Concrete Institute; 2014.
Ayatullah Khomeni M. Experimental investigation and numerical simulation. Master of Science in Civil Engineering (Structural), Bangladesh University of Engineering & Technology, Department of Civil Engineering, Dhaka; 2018.
BS 8110. Structural Use of Concrete, Part:1 Code of Practice for Design and Construction, Part 2: Code of Practice for Special Circumstances. London, U.K: British Standards Institution; 1997.
Elwell DJ, Fu G. Compression testing of concrete: Cylinders vs. cubes; 1995.
Kim NH. Introduction to Nonlinear Finite Element Analysis. Gainesville, F L, USA; 2014. DOI:10.1007/978-1-4419-1746-1
UPVC high pressure pipes & fittings. (n.d.). Accessed on [November 21, 2023], Available:https://5.imimg.com/data5/SELLER/Doc/2020/10/TG/BL/QZ/650416/upvc-pipes.pdf