Abstract
This research provides informationabout the finite element analysis of the structural behavior of an innovative new type of two-wayhollow reinforced concrete (RC) slabs of two-way plastic piping system under the effects of concentratedpunching repeated loads. This new type of two-way hollow slab could be constructedbyreplacing part of the concrete volume by a continuous network of two-way plastic piping systemsto cutportion of the dead loads by reducing the self-weight of the createdslabsas well as offering networks of voids inside the RC slab which could be valuable for passing utility lines. The reliability of elements forms, material characteristics, types of constantsand the convergence study of the proposed finite element model of the new type of two-way hollow RC slabswas confirmed by the outcomes of the numerical study and the experimental results using five different parametric studies. The proposed FE modeshowed satisfactoryaccuracy with a maximum varianceratio of about 0.11in comparison with the ultimate loading capacity of the experimental behavior. The results weredemonstratingthe efficiency of the new methodology of producing two-way hollow RC slabs using the two-way piping system by reducing the self-weight by about 24% with maintaining about 79% of the total strength. Moreover, the reduction in the strength could be eliminated by locating the networks of plastic pipes out of the locations of the maximum stresses, adding micro steel fiber, using high strength concrete or increasing the reinforcement ratio.
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This article (and all articles in the proceedings volume relating to the same conference) has been retracted by IOP Publishing following an extensive investigation in line with the COPE guidelines. This investigation has uncovered evidence of systematic manipulation of the publication process and considerable citation manipulation.
IOP Publishing respectfully requests that readers consider all work within this volume potentially unreliable, as the volume has not been through a credible peer review process.
IOP Publishing regrets that our usual quality checks did not identify these issues before publication, and have since put additional measures in place to try to prevent these issues from reoccurring. IOP Publishing wishes to credit anonymous whistleblowers and the Problematic Paper Screener [1] for bringing some of the above issues to our attention, prompting us to investigate further.
[1] Cabanac G, Labbé C and Magazinov A 2021 arXiv:2107.06751v1
Retraction published: 23 February 2022