Retraction: Roy S. Performance of Grouted Coupler Embedded in Reinforced Concrete ABC Bridge Pier at Vehicle Impact. Recent Progress in Materials 2023; 5(1): 001
Recent Progress in Materials Editorial Office 
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Received: February 28, 2023 | Accepted: February 28, 2023 | Published: February 28, 2023
Recent Progress in Materials 2023, Volume 5, Issue 1, doi:10.21926/rpm.2301011
Recommended citation: Recent Progress in Materials Editorial Office. Retraction: Roy S. Performance of Grouted Coupler Embedded in Reinforced Concrete ABC Bridge Pier at Vehicle Impact. Recent Progress in Materials 2023; 5(1): 001. Recent Progress in Materials 2023; 5(1): 011; doi:10.21926/rpm.2301011.
© 2023 by the authors. This is an open access article distributed under the conditions of the Creative Commons by Attribution License, which permits unrestricted use, distribution, and reproduction in any medium or format, provided the original work is correctly cited.
Retraction of the article:
Roy S. Performance of Grouted Coupler Embedded in Reinforced Concrete ABC Bridge Pier at Vehicle Impact. Recent Progress in Materials 2023; 5(1): 001; doi:10.21926/rpm.2301001.
The author has retracted this article because the manuscript was developed based on the idea of transmitting the apportioned impact load to the coupler and receiving the load by each coupler. This leads to investigating the post impact performance of the coupler subjected to the integrity analysis. The load fractionation method was developed and used for research based on the approximation that has a substantial effect on design calculations. This needs some deeper and critical investigation before it is implemented by the design office.
As a result, the author and the journal have agreed to retract this article.
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