Highly prestressed NPR cable coupling support technology and its application in the deep roadway

X Sun, M Zhu, Y Zhang, C Zhao, C Miao… - Engineering Failure …, 2022 - Elsevier
The stability control of deep roadways has always been a difficult problem related to the safe
production of mines. This study took the-950 level substation roadway of the Wanfu Coal …

Study of the effects of compaction and split grouting on the structural strengthening characteristics of weakly cemented argillaceous rock masses

L Meng, L Han, H Zhu, W Dong, W Li - KSCE Journal of Civil Engineering, 2022 - Springer
There is a wide distribution of weakly cemented argillaceous rock masses in areas where
there are many coal mines, and their complex characteristics make them more difficult to …

The stability of roadway groups under rheology coupling mining disturbance

S Yang, G Li, R Bi, B Yao, R Feng, Y Sun - Sustainability, 2021 - mdpi.com
The deep roadway groups play an important role in transportation and ventilation in coal
mine production. Therefore, it is very important to comprehensively analyze the coupling …

Control technology for coal roadway with mudstone interlayer in Nui Beo coal mine

DV Doan, B **a - Geomate Journal, 2019 - geomatejournal.com
The insufficient effect of traditional supports (eg the U-shape structural steel support) has
been verified from various vital accidents in terms of roof collapse in Vietnam coal mines …

[PDF][PDF] DETERMINATION OF STEEL ARCH SUPPORT DISTANCE FOR ROADWAYS UNDER THE OPEN-PIT MINE: A CASE STUDY AT THE MONG DUONG COAL …

TT Vu, DV Dao - Scientific Bulletin of National Mining University, 2023 - nvngu.in.ua
Purpose. Nowadays, in Quang Ninh coalfield, the mining activity in quarries is increasing.
For this purpose, mine roadways are dug and supported. After the mine roadways are dug …

Distribution Law of Deep Complex In Situ Stress and Influence of Underground Engineering in Huanghuai Area

W Tao, L Dai, L Yu, B Tang, S Cheng - Scientific Programming, 2022 - Wiley Online Library
Huanghuai area is rich in coal resources, but due to the increasingly complex geological
environment faced by coal mining, the complexity of structural stress is one of the main …

[HTML][HTML] Науковий вісник НГУ

TT Vu, HD Pham - nvngu.in.ua
Purpose. Nowadays, in Quang Ninh coalfield, the mining activity in quarries is increasing.
For this purpose, mine roadways are dug and supported. After the mine roadways are dug …