RMTEC News & Insights
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The NTNU & QTBM Methods of Prognosis
The NTNU and QTBM models help predict TBM performance and risks in hard rock and mixed-face conditions, improving planning, delays, and cost control.
Pre-grouting of Transport Tunnels in Jointed Rock for Successful Control of Water
Effective pre-grouting can create dry tunnels and reduce support needs, but only with correct grout selection and proper injection methods.
Time, Tunnel Length, Geology
How geology and time cause TBM advance rates to slow, and why PR alone cannot predict real tunneling progress.
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