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Correction to: Bulletin of Engineering Geology and the Environment (2022) https://doi.org/10.1007/s10064-022-02594-2
Originally, Eq. 2 contains an error. This is now correctly presented here.
$$\begin{array}{lcl}{F}_{N}&=&{F}_{T}cos(\beta )\\ {F}_{R}&=&{F}_{T}sin(\beta )\\ \varphi &=&{\mathrm{cos}}^{-1}(\frac{R-P}{R}) \\ \beta &=&\varphi /2\end{array}$$
The original article has been corrected.
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Li, B., Hu, M., Zhang, B. et al. Correction to: Numerical simulation and experimental studies of rock‑breaking methods for pre‑grooving‑assisted disc cutter. Bull Eng Geol Environ 81, 129 (2022). https://doi.org/10.1007/s10064-022-02623-0
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DOI: https://doi.org/10.1007/s10064-022-02623-0