Results 11 to 20 of about 9,313 (263)
The Relationship Between the Manifestations of Rock Pressure and the Relative Deformation of Surrounding Rocks [PDF]
E3S Web of Conferences, 2017 On the basis of analysis of the manifestations of the rock pressure in domestic and abroad practice the authors have the aim to research above named manifestations in conditions of new coal deposits of Kuzbass (Erunakovskoe, Kazankovskoe etc.) and to form the normative document for mining in these conditions.
Kostyuk Svetlana +3 more
openaire +2 more sources
Comprehensive safety evaluation method of surrounding rock during underground cavern construction
Underground Space, 2021 The deformation instability of surrounding rock and the collapse of rock blocks are two common failure modes observed during the construction of underground caverns.
Qingwen Ren +6 more
doaj +1 more source
Advances in Civil Engineering, 2022 Large compressive deformation of tunnels is a phenomenon involving plastic deformation and failure of surrounding rocks and often refers to the weak surrounding rock self-bearing capacity loss or partial loss.
Hao Tang +3 more
doaj +1 more source
Advances in Materials Science and Engineering, 2020 The stability control of a soft rock roadway is a crucial problem for sustainable utilization of limited coal resources in deep mining practices. To solve it, the soft rock types and failure mechanism of −890 entrance surrounding rock have been analyzed,
Yong Zhang +7 more
doaj +1 more source
Support Technology of Long Bolt in Roadway under Crushing Condition [PDF]
E3S Web of Conferences, 2020 In order to solve the problem that the roadway roof is large and easy to collapse under crushing conditions. Test shows that: Under the crushing condition, a considerable part of roadway surrounding rock deformation is in a given deformation state.
Pengde Sang
doaj +1 more source
矿业科学学报, 2023 This study analyzes the large deformation failure mode and mechanical mechanism of tunnel surrounding rock, with an aim to lessen the damage of high ground stress soft rock tunnel support structure and large deformation of surrounding rock in southwest ...
Tao Zhigang +4 more
doaj +1 more source
Prevention of Large Deformation of Soft Surrounding Rock in Tunnel Construction
Journal of Measurements in Engineering, 2023 Large deformation of surrounding rock makes the internal space of a tunnel cannot meet the requirements of normal use after support, even leads to the instability of surrounding rock and destruction of the tunnel structure. In order to optimize the parameters of the primary support to control the deformation of surrounding rock, field tests and ...
Xiaoqing Suo +4 more
openaire +1 more source
Design of Monitoring System for the Measurement of Surrounding Rock Deformation in Underground Tunnels [PDF]
2017 International Conference on Computer Technology, Electronics and Communication (ICCTEC), 2017 This study designs an automatic monitoring system for non-contact measurement of the surround rock deformation in underground tunnels in an unattended operation mode. This system can automatically and periodically monitor the deformation of the surrounding rocks in underground tunnels with low power consumption, and write the monitored deformation data
Chunyan Wang +4 more
openaire +1 more source
Deformation Mechanism and Surrounding Rock Control in High‐Stress Soft Rock Roadway: A Case Study [PDF]
Advances in Civil Engineering, 2021 Stability control for soft and broken surrounding rock of roadways is one important segment of mining support. Taking 1412 Roadway of a mine in Guizhou province as a research background, this paper studies the large deformation of surrounding rock and the failure of bolts and cables.
Yuwen Gao +4 more
openaire +2 more sources
Deformation and Failure Mechanism of Surrounding Rock in Mining‐Influenced Roadway and the Control Technology [PDF]
Shock and Vibration, 2021 Aiming at the problem of surrounding rock deformation and failure of mining roadway and its control, a mechanical model of the circular roadway under the mining environment is established, and the implicit equation of the plastic zone boundary is derived.
Jicheng Feng +6 more
openaire +2 more sources