Discrepancies Between Predicted and Actual Rock Mass Conditions in Himalayan Tunnelling: Insights from the Upper Trishuli 3B Project, Nepal. AJEG [Internet]. 2026 Oct. 11 [cited 2026 Oct. 12];3(Sp Issue):51-2. Available from: https://ajeg.nseg.org.np/index.php/ajeg/article/view/362