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Open Access

Correction

Correction: A new criterion for defining tunnel portal failure using the strength reduction method

  • Chengya Hua,
  • Hongzhou Zhang,
  • Chenguang Song,
  • Leihua Yao

The Funding statement for this article is incorrect. The correct Funding statement is as follows: This study was financially supported by the Science Research Project of Hebei Education Department (https://kygl.hdvtc.edu.cn) in the form of a grant (ZC2025097) received by CH. This study was also financially supported by the National Natural Science Foundation of China (https://www.nsfc.gov.cn) in the form of a grant (41807228) received by LY.

Reference

  1. 1. Hua C, Zhang H, Song C, Yao L. A new criterion for defining tunnel portal failure using the strength reduction method. PLoS One. 2026;21(4):e0345953. pmid:41955190

Citation: Hua C, Zhang H, Song C, Yao L (2026) Correction: A new criterion for defining tunnel portal failure using the strength reduction method. PLoS One 21(6): e0351737. https://doi.org/10.1371/journal.pone.0351737

Published: June 12, 2026

Copyright: © 2026 Hua et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.