Experimental study on the influences of charging structure with various filling mediums on rock blasting performances
Decoupled charge blasting is widely used in tunnel contour excavation to mitigate
overbreak/underbreak and the extent of excavation damaged zone, which plays a pivotal …
overbreak/underbreak and the extent of excavation damaged zone, which plays a pivotal …
Experimental and theoretical analysis of charge length on single-hole vibration amplitude from underground deep-hole blasting
Y Gou, M Ye, Z Yu, X Qiu, Y Chen - … Journal of Rock Mechanics and Mining …, 2024 - Elsevier
Deep-hole blasting, characterized by large diameter and long charge length, is a prevalent
practice in large-scale underground mining. However, the increasing charge length in each …
practice in large-scale underground mining. However, the increasing charge length in each …
In situ tests comparing the support effects of thin spray-on liner and shotcrete on a roadway subjected to blasting
Z Zhang, X Shi, X Qiu, J Ouyang, W Wang - Rock Mechanics and Rock …, 2024 - Springer
Shotcrete has been widely used in the support of tunnels and mine roadways, but frequent
blasting disturbances can easily cause it to spall from rock surfaces. In previous laboratory …
blasting disturbances can easily cause it to spall from rock surfaces. In previous laboratory …
On-site tests investigating the effects of blasting vibration amplitude on the dynamic response of thin spray-on liner
Z Zhang, X Shi, X Qiu, J Ouyang - Tunnelling and Underground Space …, 2024 - Elsevier
Studying the dynamic response of support systems under blasting impact holds significance
for ensuring the safety of underground space and roadways. Thin spray-on Liner (TSL), an …
for ensuring the safety of underground space and roadways. Thin spray-on Liner (TSL), an …
Experimental investigation into the damage evolution of sandstone under decreasing-amplitude stress rates and its implications for coalbed methane exploitation
Z Bichuan, L Yunpei, Z Quanle, D Lingqi… - Environmental Earth …, 2023 - Springer
Coalbed methane (CBM) in the overlying strata of coal mines is recognized as an important
alternative clean energy source. Under constant and cyclic loading of overlying strata, the …
alternative clean energy source. Under constant and cyclic loading of overlying strata, the …
Optimization of the matching relationship between the stemming length and minimum burden in cut blasting of large-diameter long-hole stopes
Z Zhang, X Qiu, X Shi, J Zhou, Z Luo, J Ouyang… - … and Geophysics for Geo …, 2023 - Springer
Cut blasting, in which new surfaces and relief space for subsequent blasting are created, is
one of the most critical steps in the establishment of large-diameter long-hole (LDL) stopes …
one of the most critical steps in the establishment of large-diameter long-hole (LDL) stopes …
Influence of detonator delay scatter on rock fragmentation by bunch-holes blasting
S Zhang, X Qiu, X Shi, X Huo, Y Liu - … and Geophysics for Geo-energy and …, 2022 - Springer
Bunch-holes blasting (several blastholes arranged in a bunch with short spacing and
detonated simultaneously to form a large common blasting crater) is typically used in …
detonated simultaneously to form a large common blasting crater) is typically used in …
Impact of bedding planes, delay interval and firing orientation on blast induced ground vibration in production blasting with controlling strategies
Traditional techniques of production blasting and delay timing patterns are restructured to
minimise ground vibrations for the geological setting of Jharia coal field, a prime coking coal …
minimise ground vibrations for the geological setting of Jharia coal field, a prime coking coal …
[HTML][HTML] Evaluation of underground blast-induced ground motions through near-surface low-velocity geological layers
Y Gou, X Shi, Z Yu, X Huo, X Qiu - Journal of Rock Mechanics and …, 2023 - Elsevier
Surface ground motion produced by underground blasts is significantly influenced by near-
surface geological conditions. However, near-surface low-propagation velocity layers were …
surface geological conditions. However, near-surface low-propagation velocity layers were …
Time–Frequency–Energy Characteristics Analysis of Vibration Signals in Digital Electronic Detonators and Nonel Detonators Exploders Based on the HHT Method
H Yin, H Chen, Y Feng, J Zhao - Sensors, 2023 - mdpi.com
The China Society of Explosives and Blasting required a larger than 20% annual increase in
the national use of digital electronic detonators since 2018. So, this article conducted a large …
the national use of digital electronic detonators since 2018. So, this article conducted a large …