Results 11 to 20 of about 14,170 (290)
BLASTING TECHNOLOGIES FOR THE EXCAVATION OF THE EVACUATION TUNNEL VRANDUK II ON THE MAIN ROAD M-17 [PDF]
e-Zbornik. Elektronički Zbornik Radova Građevinskog Fakulteta, 2021 The Vranduk II tunnel is located on the main road route of the City of Zenica, on the main road M-17, section Topčić Polje - Lašva 0 with a total length of 1,062 m. A service tube at an axial distance of 25 meters and cross passages from the service tube
Ekrem Bektašević +5 more
doaj +1 more source
European Journal of Remote Sensing, 2020 China has entered a high-speed construction period on hydropower engineering since the late 20th century. Blasting is the major way for rock excavation on large projects, especially for ultra-high steep rock slope.
Ke Deng, Ming Chen
doaj +1 more source
Geofluids, 2020 With the improvement of informatization and standardization of mine development, it is an inevitable trend to apply computer technology to the intelligent design of tunnel blasting excavation.
Zhengyu Wu, Dayou Luo, Guan Chen
doaj +1 more source
PHYSICAL & CHEMICAL PROCESES FOR COAL DESTRUCTION IN UNDERGROUND GAS GENERATOR [PDF]
, 2018 Estimate the material and thermal balance for providing the chemical reactions in underground gasgenn according to physical spreads of their ...
DYCHKOVSKYI, Roman +7 more
core +3 more sources
Advances in Civil Engineering, 2020 Blasting-induced vibration during the excavation of transition section in a branching-out tunnel causes damage and hence affects the safety and stability of the supporting structure and surrounding rock.
Feng Cao, Sheng Zhang, Tonghua Ling
doaj +1 more source
Effect of blast induced rock fragmentation and muckpile angle on excavator performance in surface mines [PDF]
, 2019 Purpose. A fit excavator in a surface mine gives a trouble free production. To maintain the condition and safety of an excavator, proper sizes of rock fragmentation and muckpile parameters are crucial besides its maintenance.
Choudhary, B.S.
core +1 more source
A Brief History of the Development of Blasting and the Modern Theory of Rock Breaking [PDF]
, 2016 The article is devoted to the task today to improve the effectiveness of blasting during construction of horizontal and inclined mine excavations. Construction of new and reconstruction of existing mines requires large volume of excavation works, which ...
Kirsanov, A. K. (A) +2 more
core +2 more sources
Use of Rock Mass Rating (RMR) values for support designs of tunnels excavated in soft rocks without squeezing problem [PDF]
, 2019 Effect of the rock material strength on the RMR value and tunnel support designs were investigated within this study including site works, analytical and numerical analyses.
Demir, Serhat, Komurlu, Eren
core +1 more source
Excavation Method of Reducing Blasting Vibration in Complicated Geological Conditions
Shock and Vibration, 2018 Drilling and blasting method as a common excavation method is widely used in the underground engineering construction. However, in the complicated geological conditions, the path of blasting excavation available has limitation, and then the larger ...
Lixiang Xie +3 more
doaj +1 more source
The Efficiency of Large Hole Boring (MSP) Method in the Reduction of Blast-Induced Vibration
Applied Sciences, 2021 Drill and blast is the most cost-effective excavation method for underground construction, however, vibration and noise, induced by blasting, have been consistently reported as problems.
Min Seong Kim, Sean Seungwon Lee
doaj +1 more source