Analysis of damage mechanisms and optimization of cut blasting design under high in-situ stresses
During excavation using the cut blasting method in deep rock masses, there are difficulties
resulting from the in-situ stress influences. This study uses numerical simulation methods to …
resulting from the in-situ stress influences. This study uses numerical simulation methods to …
Experimental and numerical investigation on rock fracturing in tunnel contour blasting under initial stress
In tunnel contour blasting, the rock fracturing is generally subjected to in-situ stress. In this
investigation, the rock cracking and damage in tunnel contour blasting (smooth blasting and …
investigation, the rock cracking and damage in tunnel contour blasting (smooth blasting and …
[HTML][HTML] Numerical study on the effect of in-situ stress on smoothwall blasting in deep tunnelling
X Li, K Liu, J Yang, Y Sha, R Song - Underground Space, 2023 - Elsevier
In the present study, a numerical model is first calibrated against the crack networks and
pressure attenuation data in laboratory blasting test. Then, based on the calibrated …
pressure attenuation data in laboratory blasting test. Then, based on the calibrated …
A study of innovative cut blasting for rock roadway excavation based on numerical simulation and field tests
H Zhang, T Li, S Wu, X Zhang, W Gao, Q Shi - Tunnelling and Underground …, 2022 - Elsevier
Drilling and blasting is a common excavation method in underground engineering. In
modern mine construction, improving the efficiency of rock roadway excavation is a …
modern mine construction, improving the efficiency of rock roadway excavation is a …
Study on cyclic blasting failure characteristics and cumulative damage evolution law of tunnel rock mass under initial in-situ stress
Z Li, Y Hu, G Wang, M Zhou, W Hu, X Zhang… - Engineering Failure …, 2023 - Elsevier
Although in-situ stress significantly affects tunnel rock mass excavation blasting, the crack
propagation law of the rock mass under both in-situ stress and cyclic blasting load has not …
propagation law of the rock mass under both in-situ stress and cyclic blasting load has not …
An AI-powered approach to improving tunnel blast performance considering geological conditions
Y Liu, A Li, F Dai, R Jiang, Y Liu, R Chen - Tunnelling and Underground …, 2024 - Elsevier
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 …
excavation, which is based on a multilayer perceptron (MLP) and incorporates meta …
A study of cut blasting for one-step raise excavation based on numerical simulation and field blast tests
Over the past several decades, raise excavation has been widely employed in underground
mining, civil engineering and military engineering. One-step raise excavation with burn cuts …
mining, civil engineering and military engineering. One-step raise excavation with burn cuts …
Optimization of smooth blasting parameters for mountain tunnel construction with specified control indices based on a GA and ISVR coupling algorithm
K Liu, B Liu - Tunnelling and underground space technology, 2017 - Elsevier
The smooth blasting method has been widely used in the construction of mountain tunnels
to decrease the volume of overbreak or underbreak and maintain the tunnel outline in the …
to decrease the volume of overbreak or underbreak and maintain the tunnel outline in the …
Practical engineering geology
S Hencher - 2013 - pubs.geoscienceworld.org
Practical Engineering Geology (Hencher, 2012) states that the ''book presents a broad and
fresh view on the importance of engineering geology to civil engineering projects.''It goes on …
fresh view on the importance of engineering geology to civil engineering projects.''It goes on …
Stability analysis of the blast-induced damage zone by continuum and coupled continuum–discontinuum methods
D Saiang - Engineering Geology, 2010 - Elsevier
The presence of a blast-induced damage zone (BIDZ) around a tunnel boundary is of
significant concern mainly with regard to safety, stability, costs and the overall performance …
significant concern mainly with regard to safety, stability, costs and the overall performance …