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Experimental study of improved cement silicate grouting material for broken surrounding rock
T Li, Z Yue, J Li, Q Li, Y Li, G Chen - Journal of Building Engineering, 2023 - Elsevier
The broken surrounding rock seriously affects the safety production of coal mines. This
paper design the orthogonal experiment of fly ash-cement-silicate grouting material and the …
paper design the orthogonal experiment of fly ash-cement-silicate grouting material and the …
Research on theory and technology of floor heave control in semicoal rock roadway: Taking longhu coal mine in Qitaihe mining area as an Example
As one of the most common disasters in deep mine roadway, floor heave has caused
serious obstacles to mine transportation and normal production activities. The third section …
serious obstacles to mine transportation and normal production activities. The third section …
Velocity tomography of cross-sectional damage evolution along rock longitudinal direction under uniaxial loading
Rock pillars in rock engineering are affected by the stress concentration, which is uneven
and can lead to potential instability after loading disturbance. In this paper, considering the …
and can lead to potential instability after loading disturbance. In this paper, considering the …
Analysis of mining roadway with large deformation of broken soft coal and research on supporting technology: A case study in **n'an coal mine, China
J Hao, X Li, Y Song, P Zhang, H Liu - Engineering Failure Analysis, 2021 - Elsevier
The safe mining of **n'an Coal Mine was challenging because of several problems,
including the soft roadway seams, fracture development, fracturing and deformation of the …
including the soft roadway seams, fracture development, fracturing and deformation of the …
Study on failure mechanism and treatment measures of floor heave of high-speed railway tunnel in the interbedded surrounding rock with high geostress
J Feng, L Gong, L Wang, P Zhou, P Zhang, Y Li… - Engineering Failure …, 2023 - Elsevier
The tunnel floor heave is easy to occur in the interbedded surrounding rock with high
geostress, which has a serious impact on the safety of the tunnel structure and the normal …
geostress, which has a serious impact on the safety of the tunnel structure and the normal …
Study on deformation mechanism and control technology of surrounding rock during reuse of gob side entry retaining by roof pre-splitting
F He, X Xu, B Qin, L Li, K Lv, X Li - Engineering Failure Analysis, 2022 - Elsevier
In this study, we aiming at the problems of severe surrounding rock deformation and support
failure during the reuse of gob side entry retaining, we conducted field observations …
failure during the reuse of gob side entry retaining, we conducted field observations …
Non-orthogonal failure behavior of roadway surrounding rock subjected to deep complicated stress
Z Ma, J Zuo, F Zhu, H Liu, C Xu - Rock Mechanics and Rock Engineering, 2023 - Springer
Based on the characteristics of real stress distribution in coal mining, the evolution law of
plastic zone shape and spatial position were investigated. The stress model of roadway with …
plastic zone shape and spatial position were investigated. The stress model of roadway with …
Asymmetric deformation and failure behavior of roadway subjected to different principal stress based on biaxial tests
J Zuo, Z Ma - Tunnelling and Underground Space Technology, 2025 - Elsevier
The magnitude and direction of stress will affect the failure of roadway. The impact of stress
magnitude and direction on roadway failure was investigated using a rock failure system …
magnitude and direction on roadway failure was investigated using a rock failure system …
Floor heave control in gob-side entry retaining by pillarless coal mining with anti-shear pile technology
The severe floor heave in gob-side entry retaining is the major restriction factor of the wide
application of pillarless mining thin coal seams. Reinforcement and stress-relief floor heave …
application of pillarless mining thin coal seams. Reinforcement and stress-relief floor heave …
Development of a three-dimensional stress monitoring system for coal rock and its application in a mine
R Shen, Z Hou, Z Yuan, Y Li, Y Gu - Rock Mechanics and Rock …, 2024 - Springer
To conduct directed tests on the multi-dimensional stresses of coal rock mass and their
evolution law, a three-dimensional stress (3DS) monitoring system is developed in this …
evolution law, a three-dimensional stress (3DS) monitoring system is developed in this …