Overbreak is a detrimental phenomenon caused by tunnel blasting, which can lead to
increased time and cost in the construction schedule. It is very important to establish a model …

This paper presents a 3D coupled Smoothed Particle Hydrodynamics (SPH) and Finite
Element Method (FEM) model, which was developed to investigate the extent of damage …

In this study, a hybrid model was developed to improve blast performance during tunnel
excavation, which is based on a multilayer perceptron (MLP) and incorporates meta …

Overbreak is a prevalent and detrimental phenomenon in hard rock tunnel excavation that
escalates construction costs and compromises tunnel structural stability. Therefore, accurate …

Underground tunnel excavation using the drill-and-blast method often results in underbreak
occurrences due to improper blasting parameters and complex geological environment. This …

In rock engineering, blasting works are often carried out near the existing underground
caverns, like tunnels, mine roadways and storage caverns. Moreover, the natural fractures …

Optimizing blasting parameters is of paramount importance in minimizing overbreak during
tunneling. Hence, this paper proposed an intelligent approach, which integrates separate …

Engineering projects are confronted with many problems resulting from overbreak in tunnel
blasting, necessitating the optimization of design parameters to minimize overbreak. In this …

Due to the detrimental effects of detonation waves on the stability of surrounding rock, non-
explosive excavation techniques for tunnel peripheral holes have been developed. One …

Accurate assessments of over-and-under-excavation volumes during tunnel construction are
critical for stability and structural safety. Over-and-under-excavation assessment is typically …