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653 Results Found

  • Article
  • Open Access
1 Citations
1,255 Views
24 Pages

30 March 2024

Aiming at the problem of large deformations and difficult maintenance of cross-mining floor roadways, taking the track transportation roadway of the cross-mining east wing floor in Qinan Coal Mine as the engineering background, the stress field distr...

  • Article
  • Open Access
4 Citations
2,281 Views
15 Pages

Study on the Stress Variation Law of Inclined Surrounding Rock Roadway under the Influence of Mining

  • Qian Jia,
  • Hai Wu,
  • Tao Ling,
  • Kai Liu,
  • Weiwei Peng,
  • Xu Gao and
  • Yanlin Zhao

19 April 2022

This study takes three roadways with similar burial depths in different strata in Xieqiao Mine of Huainan as its research object. This study involves the observation and analysis of borehole stress gauge data under the influence of mining pressure. T...

  • Article
  • Open Access
9 Citations
1,585 Views
22 Pages

14 November 2022

The problem of asymmetric large deformation of surrounding rock of heading roadways is prominent due to the superposition of mining stress in the mining intersection area. Therefore, on the basis of the background of 18,106 tailentry in the Xiegou Co...

  • Article
  • Open Access
5 Citations
1,882 Views
21 Pages

Instability Mechanism, Pressure Relief, and Long Anchorage Control Countermeasures for Surrounding Rock of Strong Mining Roadway at Large Mining Height Working Face

  • Deyu Qian,
  • Hexi Jiao,
  • Jinping Deng,
  • Jingxuan Yang,
  • Mingzhi Jiao,
  • Guihong Xian,
  • Chenshi Yu,
  • Yingli Zhu,
  • Jiale Liu and
  • Sen Huang
  • + 1 author

10 March 2023

Double-roadway tunneling could mitigate the contradiction between mining production needs and tunneling speed, which is pivotal to the sustainable development of underground mines. However, it is very difficult to control the stability of a mining ro...

  • Article
  • Open Access
31 Citations
3,500 Views
22 Pages

8 July 2019

The mining induced subsidence and strata deformation are likely to affect the stability of the aquiclude, resulting in loss of water resources in the mining area. In order to reduce the disturbance of coal mining to the overlying strata and to preser...

  • Article
  • Open Access
5 Citations
1,740 Views
16 Pages

9 December 2022

Many problems exist in the layout of working surfaces in high-gas mines, such as the low efficiency of roadway excavation, difficulties in maintenance after excavation, and serious resource wastes due to difficulties in recovering coal pillars betwee...

  • Article
  • Open Access
11 Citations
2,332 Views
19 Pages

8 November 2019

Under the superposed action of the primary rock stress and the mining stress, the compound roof of a roadway will have irregular plastic failure zone with greater depth, resulting in a wide range of non-uniform deformations and roof failures. Masteri...

  • Article
  • Open Access
27 Citations
3,719 Views
18 Pages

Stability Control of a Goaf-Side Roadway under the Mining Disturbance of an Adjacent Coal Working Face in an Underground Mine

  • Houqiang Yang,
  • Changliang Han,
  • Nong Zhang,
  • Changlun Sun,
  • Dongjiang Pan and
  • Minghui Dong

14 November 2019

Goaf-side roadway driving could not only notably reduce the loss of coal resources and improve the coal recovery rates, but also greatly mitigate the imbalance between excavation speed and production needs, which are able to prolong the service life...

  • Article
  • Open Access
7 Citations
1,742 Views
19 Pages

Mechanism of Roof Deformation and Support Optimization of Deeply Buried Roadway under Mining Conditions

  • Yanqing Liu,
  • Pengqiang Zheng,
  • Liqiang Xu,
  • Wenjing Li,
  • Yueqi Sun,
  • Weiwei Sun and
  • Zhen Yuan

25 November 2022

Large deformations in local areas during service in a mine roadway are prone to roofing hazards, seriously threatening people’s lives and urgently needing to be addressed by means of support optimization. Traditional methods of studying the sta...

  • Article
  • Open Access
6 Citations
1,262 Views
19 Pages

6 September 2024

When the coal mining face enters the final stage of mining, the roadway faces the superimposed influence of surrounding rock stress redistribution and roof rotary moment. As affected by the strong disturbance in the coal mining process, the roof plat...

  • Article
  • Open Access
1 Citations
1,409 Views
16 Pages

23 July 2023

The mining confrontation caused by a super-long working face is an important factor that leads to difficulties in the control of surrounding rock in facing-mining roadways. To address this issue, this study takes the 18106 working face of Xiegou Coal...

  • Article
  • Open Access
24 Citations
3,604 Views
21 Pages

4 August 2019

This study considered the mining roadway with coal pillar protection in the fully mechanized caving face of the Dananhu No.1 Coal Mine, China. Theoretical analysis, numerical simulation, and field tests were conducted, and the stress environment, def...

  • Article
  • Open Access
34 Citations
2,567 Views
18 Pages

21 June 2022

In this study, taking the Sheng’an coal mine as an engineering background, the failure characteristics of the surrounding rock of a roadway under repeated mining in a close-distance coal seam is comprehensively illustrated through field measure...

  • Article
  • Open Access
7 Citations
2,196 Views
22 Pages

5 September 2022

High gassy mines have low recovery rates of coal resources in the stoping of high-seam coal resources in addition to difficulties in the gas control of the working face and gas accumulation in the goaf and upper corner. Pillar-free gob-side entry-ret...

  • Article
  • Open Access
9 Citations
1,569 Views
19 Pages

Mechanism and Control of Asymmetric Floor Heave in the Gob-Side Coal Roadway under Mining Pressure in Extra-Thick Coal Seams

  • Deqiu Wang,
  • Yun Zheng,
  • Fulian He,
  • Jiayu Song,
  • Jianlong Zhang,
  • Yanhao Wu,
  • Pengpeng Jia,
  • Xiaohui Wang,
  • Baoping Liu and
  • Feifei Wang
  • + 2 authors

26 June 2023

Due to their tense mining succession relationship, gob-side roadways may undergo significant deformation under multi-mining pressure. In this article, many methods, such as on-site research, a theoretical analysis, a numerical simulation and an indus...

  • Article
  • Open Access
21 Citations
2,802 Views
12 Pages

Roadway Backfill Mining with Super-High-Water Material to Protect Surface Buildings: A Case Study

  • Erhu Bai,
  • Wenbing Guo,
  • Yi Tan,
  • Guangshuai Huang,
  • Mingjie Guo and
  • Zhibao Ma

21 December 2019

As coal resources trapped under surface buildings in the Wangtaipu coal mine area impede the efficient mining of coal seams and constrain the sustainable development of coal mines, a super-high-water roadway backfill mining technique for preventing b...

  • Article
  • Open Access
347 Views
24 Pages

17 September 2025

Deep multi-coal seam mining is plagued by intense mining pressure, significant impacts of multi-working face mining on system roadways, and difficult surrounding rock deformation control—these issues severely threaten the safe and normal operat...

  • Article
  • Open Access
10 Citations
2,176 Views
16 Pages

20 January 2023

In order to solve the problem of serious deformation and failure of surrounding rock and difficult maintenance of gob-side entries with strong mining-induced small coal pillars, taking the A110607 return airway of the Shanwenjiaba Coal Mine as the en...

  • Article
  • Open Access
8 Citations
1,492 Views
17 Pages

24 November 2023

Due to the strong disturbance of a mining face, the surrounding rock of the withdrawal roadway is susceptible to deformation and failure, which restricts the safe and efficient evacuation of mining equipment. To resolve this longstanding technical pr...

  • Article
  • Open Access
441 Views
18 Pages

Transferring Pressure Mechanism Across Gob-Side Roadway Goaf with Coal Pillar During Distant Face Mining: A Case Study

  • Houqiang Yang,
  • Changliang Han,
  • Nong Zhang,
  • Jiande Wang,
  • Qingguang Chen,
  • Jie Liu and
  • Shenghan He

12 April 2025

The gob-side roadway technique is extensively utilized in coal extraction due to its capacity to enhance coal resource recovery efficiency and mitigate mining sequence conflicts. Nevertheless, increasing mining depths lead to progressively intricate...

  • Article
  • Open Access
15 Citations
2,337 Views
18 Pages

14 November 2021

The gob-side roadway in an isolated island working face is a typical representative of a strong mining roadway, which seriously restricts the efficient and safe production of underground coal mines. With the engineering background of the main transpo...

  • Article
  • Open Access
3 Citations
1,154 Views
18 Pages

5 January 2025

This paper aims to address the issue of hydraulic support crushing accidents or support failures in the retracement roadway (RR) that frequently occurs when a fully mechanized mining face is retraced during the end-mining stage. The deformation and i...

  • Article
  • Open Access
1 Citations
1,360 Views
19 Pages

Research on the Control of Mining Instability and Disaster in Crisscross Roadways

  • Xiangye Wu,
  • Shuai Wang,
  • Jingya Wang,
  • Zhongchen Wang,
  • Shankun Zhao and
  • Qingwei Bu

28 November 2022

In order to solve the disaster caused by the instability of spatial crisscross roadways under the action of leading abutment pressure in the coal mine face, combined with a specific engineering example, the methods of theoretical analysis, numerical...

  • Article
  • Open Access
672 Views
16 Pages

31 May 2025

This study focuses on the importance of the real-time monitoring of bolt loads in roadways affected by high-intensity mining and the limitations of conventional monitoring methods. Fiber Bragg grating (FBG) sensors were embedded and encapsulated in r...

  • Article
  • Open Access
31 Citations
4,727 Views
15 Pages

Controlling floor heave plays an important role in the stability of mining roadways that is pivotal to the sustainable, safe, and efficient development of coal resources in underground coal mines. In order to propose highly efficient and economical m...

  • Article
  • Open Access
8 Citations
1,860 Views
12 Pages

Multi-Level Support Technology and Application of Deep Roadway Surrounding Rock in the Suncun Coal Mine, China

  • Hengbin Chu,
  • Guoqing Li,
  • Zhijun Liu,
  • Xuesheng Liu,
  • Yunhao Wu and
  • Shenglong Yang

5 December 2022

To solve these problems of poor supporting effect and serious deformation and failure of surrounding rock of mining roadway under deep mining stress, a FLAC-3D numerical calculation model is established with −800 m level no. 2424 upper roadway...

  • Article
  • Open Access
36 Citations
6,095 Views
17 Pages

12 April 2018

For large underground coal mines producing 10 million tons a year, rapid excavation and stability of deep roadways are pivotal to ensure sustainable, safe, and efficient production. This paper provides a case study of Hulusu Coal Mine in Inner Mongol...

  • Article
  • Open Access
939 Views
18 Pages

6 November 2024

Rockburst, one of the leading types of disaster in mining and rock engineering causing serious injuries and the loss of property, frequently occurs, involving various features and complex evolutionary mechanisms. Compared to rockbursts occurring at m...

  • Article
  • Open Access
3 Citations
1,794 Views
17 Pages

26 October 2023

Aiming at the traffic congestion problem of mining vehicles in the intersection area of three-fork roadways in coal mines, this paper proposes a speed guidance strategy based on a vehicle–road cooperative environment to adjust the running state...

  • Article
  • Open Access
1,551 Views
16 Pages

14 February 2024

The mine roadway is a special restricted space where wireless signals cannot freely propagate. The research on the transmission characteristics of wireless signals in mine roadways is of great significance for establishing a safe and reliable undergr...

  • Article
  • Open Access
7 Citations
2,730 Views
27 Pages

29 July 2021

Deep horizontal high stress and high permeability geological factors appear when coal mines are converted to deep horizontal mining. When the roadway is damaged by the mining face, and the supporting components are mismatched, the deep roadways neces...

  • Article
  • Open Access
12 Citations
2,185 Views
17 Pages

26 October 2022

To study the stability control of stope mining roadways below remaining coal pillars, the present study investigates the destabilization mechanism of coal pillars and roadways in sections under the dual action of supporting pressure on the floor of t...

  • Article
  • Open Access
443 Views
13 Pages

29 July 2025

Roadway deformation failure is often related to the presence of weak structural planes (WSPs) in the surrounding rock mass. Especially in coastal mining environments, WSP-induced deformation can create pathways that connect faults with seawater, acce...

  • Article
  • Open Access
30 Citations
3,098 Views
17 Pages

Stability Analysis of Roadway Groups under Multi-Mining Disturbances

  • Yuantian Sun,
  • Ruiyang Bi,
  • Qingliang Chang,
  • Reza Taherdangkoo,
  • Junfei Zhang,
  • Junbo Sun,
  • Jiandong Huang and
  • Guichen Li

28 August 2021

The roadway stability has been regarded as the main challenging issue for safety and productivity of deep underground coal mines, particularly where roadways are affected by coal mining activities. This study investigates the −740 m main roadway in t...

  • Article
  • Open Access
2 Citations
607 Views
22 Pages

Stability Analysis and Support Optimization for a Coal Mine Roadway Subjected to High Horizontal Stress

  • Shulin Liu,
  • Huanhuan Liu,
  • Kai Xie,
  • Lei Shan,
  • Fukun Xiao,
  • Baochen Wang and
  • Yiwei Wang

20 February 2025

Based on the engineering problem of large deformation and support failure in the roadway of Ronghua No. 1 Mine, on-site in situ stress testing was carried out to understand the distribution characteristics of the in situ stress around the roadway. Th...

  • Article
  • Open Access
293 Views
20 Pages

14 October 2025

When excavating roadways in underground mines, stress redistribution within the surrounding rock mass leads to stress concentration and release. Should the concentrated stresses exceed the rock mass’s tensile or shear strength, rock deformation...

  • Article
  • Open Access
9 Citations
2,413 Views
18 Pages

The Stability of Roadway Groups under Rheology Coupling Mining Disturbance

  • Sen Yang,
  • Guichen Li,
  • Ruiyang Bi,
  • Bicheng Yao,
  • Ruiguang Feng and
  • Yuantian Sun

8 November 2021

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 effect of rheological deformation and coal mining on the stability of th...

  • Article
  • Open Access
10 Citations
2,163 Views
23 Pages

18 August 2023

The thermal insulation method is one of the effective methods for controlling the thermal environment of a high-temperature mine. In order to explore the thermal insulation mechanism and characteristics of thermal insulation roadways in high-temperat...

  • Article
  • Open Access
8 Citations
1,888 Views
26 Pages

New Technology of Pressure Relief Control in Soft Coal Roadways with Deep, Violent Mining and Large Deformation: A Key Study

  • Shengrong Xie,
  • Hui Li,
  • Dongdong Chen,
  • Shaohua Feng,
  • Xiang Ma,
  • Zaisheng Jiang and
  • Junqi Cui

5 December 2022

Previous studies have shown that the influence of deep dynamic pressure on the surrounding rock control of a coal roadway is one of the difficulties in mine roadway support. Based on the investigation of the headgate 11231 in a coal mine, this study...

  • Article
  • Open Access
434 Views
19 Pages

Voxel-Based Roadway Terrain Risk Modeling and Traversability Assessment in Underground Coal Mines

  • Wanzi Yan,
  • Zhencai Zhu,
  • Yidong Zhang,
  • Hao Lu,
  • Minti Xue,
  • Yu Tang and
  • Shaobo Sun

18 September 2025

Effective roadway environment sensing is critical for intelligent underground vehicle navigation. Dust pollution and complex terrain in underground roadways present key challenges for quantifying passability risks: (1) Over-filtering of dust noise in...

  • Article
  • Open Access
170 Views
22 Pages

Assessing the Performance of a Cascaded Composite Phase Change Material Roadway Cooling System Against Heat Hazard from Sustainable Mine Geothermal Energy

  • Hengfeng Liu,
  • Jiahao Guo,
  • Baiyi Li,
  • Alfonso Rodriguez-Dono,
  • Peng Huang,
  • Xinying Li,
  • Erkan Topal and
  • Shuqi Liu

7 November 2025

Sustainable mine geothermal energy causes high-temperature hazards in mine roadways, severely endangering miners’ lives. There is an urgent need to enhance research on the performance of composite phase change material (CPCM) roadway cooling sy...

  • Article
  • Open Access
6 Citations
1,989 Views
16 Pages

1 August 2022

Multiple roadways are opened to solve the difficulties in gas control in the high seam working face of high gassy mines, resulting in a large width of coal pillars between roadway groups. Moreover, recovering coal pillars is challenging during stopin...

  • Article
  • Open Access
2 Citations
1,805 Views
11 Pages

The design and development process of wind velocity sensors for mining has been a challenging task due to the complexity of a large number of field tests. To resolve this problem, this study aimed to provide a comprehensive test device for the design...

  • Article
  • Open Access
5 Citations
2,034 Views
19 Pages

Evaluation of Anti-Burst Performance in Mining Roadway Support System

  • Rupei Zhang,
  • Siyuan Gong,
  • Linming Dou,
  • Wu Cai,
  • Xuwei Li,
  • Hui Li,
  • Xinyuan Tian,
  • Xiaomin Ding and
  • Jiasheng Niu

13 January 2023

The hazardous effect of a mine earthquake on a roadway is not only related to its energy scale but also to its distance from the roadway. In this study, a signal attenuation model and a disaster-causing model were established to evaluate the mine ear...

  • Article
  • Open Access
12 Citations
2,005 Views
24 Pages

4 November 2022

A large coal pillar (usually more than 90 m) is generally left in place to ensure the stability of main roadway groups, due to its long service lifespan, which commonly also causes a significant loss of coal resources. The design of the width of the...

  • Article
  • Open Access
5 Citations
2,040 Views
23 Pages

Evaluation of Real-Time Perception of Deformation State of Host Rocks in Coal Mine Roadways in Dusty Environment

  • Pengfei Shan,
  • Chengwei Yan,
  • Xingping Lai,
  • Haoqiang Sun,
  • Chao Li and
  • Xingzhou Chen

3 February 2023

Intelligent mining needs to achieve real-time acquisition of surrounding rock deformation data of roadways and analysis and provide technical support for intelligent mining construction. To solve problems such as significant error, information lag, a...

  • Article
  • Open Access
23 Citations
6,052 Views
14 Pages

2 November 2019

Renewable energy (wind and solar power, etc.) are developing rapidly around the world. However, compared to traditional power (coal or hydro), renewable energy has the drawbacks of intermittence and instability. Energy storage is the key to solving t...

  • Article
  • Open Access
6 Citations
1,697 Views
14 Pages

26 April 2023

The underground roadway of the Buertai Coal Mine adopts the double-roadway layout. Double-roadway layout mode has a roadway that is affected by repeated mining, called reserved roadways. The reserved roadway is strongly affected by mining, and the st...

  • Article
  • Open Access
2 Citations
1,071 Views
17 Pages

Non-Pillar Coal Mining by Driving Roadway During Mining Period in High-Gas Top-Coal-Caving Working Face

  • Haisheng Shen,
  • Zhongshun Chen,
  • Yong Yuan,
  • Bo Li and
  • Samuel Kofi Anamor

20 November 2024

To solve the problem of the inability to achieve Y-shaped ventilation in the boundary coal mining of high-gas mines and the problem of gas accumulation in the upper corner of a fully mechanized mining face, non-pillar coal mining technology is propos...

  • Article
  • Open Access
37 Citations
3,736 Views
21 Pages

7 December 2017

The small throw fault zones cause serious problems for mining engineers. The knowledge about the range of fractured zone around the roadway and about roadway’s contour deformations helps a lot with the right support design or its reinforcement. The p...

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