RETRACTION: Z. Yu, L. Wu, C. Zhang, and T. Bangi, “Influence of Distribution Modulus on the Compressive Strength of Ultra-High-Performance Concrete with Coarse Aggregate (UHPC-CA),” Advances in Civil Engineering 2022 (2022): 7615616, https://doi.org/10.1155/2022/7615616.
The above article, published online on 30 April 2022 in Wiley Online Library (wileyonlinelibrary.com), has been retracted following the agreement of the journals Chief Editor, Vipulanandan Cumaraswamy; and John Wiley & Sons Ltd.
The retraction was agreed upon following the investigation of concerns raised by the Nanyang Technological University (NTU) of Singapore relating to the legitimacy of the affiliation and identity of the listed author Toshiyuki Bangi.
Further correspondence with NTU and the corresponding author have confirmed the validity of these concerns, which cause the reliability of the research to be severely limited. The article is therefore retracted.
Cong Zhang agrees with this retraction. The other authors were informed of the decision to retract the article but did not provide a response.