Exploring the structural behavior of recycled aggregates concrete pipe under dynamic loads through experimental and numerical investigation

Shaymaa Abdelghany Mohamed, Mahdisabber Whaib, Marawan Mohammed Hamid, Mohammed Elwi, Wameedh Ghassan Abdul-Hussein

Abstract


The most used material in construction is concrete. This study aimed to investigate the impact of recycled aggregate on compressive and tensile strength in concrete. To address the issue of accumulating tons of recycled aggregates, a new method was developed using chemical additive fractions to convert these aggregates into valuable products. The overconsumption of materials is a significant problem that leads to route overflow, pollution, and road fragmentation. The mechanical properties of corroded concrete pipes were also examined through a series of tests and the development of an ABAQUS-based 3D finite element model. It was discovered that the inside of the pipe wall was more vulnerable to damage than the outside, with corroded areas experiencing large stresses and strains. As corrosion depth increased, so did maximum principal stress and hoop strain in the affected region. Fear increased rapidly at first (0-10°), then decreased rapidly (10-45°), before gradually decreasing with increasing erosion latitude (45-180°). Additionally, both circumferential strain and maximum principal stress increased rapidly with greater depth of coverage or increasing moving loads.

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DOI: http://dx.doi.org/10.21533/pen.v11i3.3610

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Copyright (c) 2023 Shaymaa Abdelghany Mohamed, Mahdisabber Whaib, Marawan Mohammed Hamid, Mohammed Elwi, Wameedh Ghassan Abdul-Hussein

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This work is licensed under a Creative Commons Attribution 4.0 International License.

ISSN: 2303-4521

Digital Object Identifier DOI: 10.21533/pen

Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 International License