Explanipedia

Research on Fractional-Order Control of Anchor Drilling Machine Optimized by Intelligent Algorithms Open

Jingkai Li, Jun Zhang, Jiaquan Xie, Wei Shi, J. Zhao · 2025

Anchor–bolt support operations are lengthy and conducted under harsh conditions, restricting the efficiency and safety of roadway excavation. To address these challenges, we developed an integrated solution combining mechanical structure o…

Development and application of tail brush elastic test device Open

Jingkai Li, Jingbo Guo, Shaopu Yang, Mingming Han, Jie Li , et al. · 2025

The shield tail brush loss elasticity is the key reason for the failure of shield tail seal. However, due to the limitation of test equipment, there is little research on the elastic properties of tail brush. In this research, a tail brush…

Steroids combined with anticoagulant in acute/subacute severe cerebral venous thrombosis Open

Shimin Hu, Yaqin Gu, Tingyu Zhao, Kaiyuan Zhang, Jingkai Li , et al. · 2025

Background: Inflammation plays a critical role in severe cerebral venous thrombosis (CVT) pathogenesis, but the benefits of anti-inflammatory therapies remain unclear. This study aimed to investigate the association between steroid therapy…

Uniaxial Compression Response and Instability Mechanisms of Parallel Dual Coal Pillar–Roof Combinations Open

Jingkai Li, Chunge Li, Shiqiang Zhao, Changde Yang, Kun Niu , et al. · 2025

The remaining coal pillars and roof form an integral coal pillar–roof system (CPRS) that plays an important role in the safety of the room mining goaf. In this research, two different sets of parallel dual coal pillar–roof combinations (PD…

Time Domain Nonlinear Dynamic Analysis of Vertically Loaded Tapered Pile in Layered Soils Open

Qiangqiang Shua, Kexing Liu, Jingkai Li, Wenbo Tu · 2024

A simplified model is proposed for predicting the nonlinear dynamic response of vertically loaded tapered piles in the time domain, in which the tapered pile is divided into several frustum segments and the four-spring is used for the simu…

Study on Failure Mechanism and Mechanical Behaviour Scale Effect of Coal Pillar in Vertical Layered Mining of Extra-Thick Coal Seam Open

Chao Wu, Zhiqiang Wang, Yaoru Liu, Jingkai Li, Wenyu Zhuang , et al. · 2024

Mesoscopic study on instability characteristics of residual coal pillars–roof system based upon domino effect in pillar goaf Open

Zhiqiang Wang, Jingkai Li, Lin Lu, Binyu Liu, Ivan V. Ushakov · 2023

The stability of pillar goaf is affected by the composite structure composed of residual coal pillars and roof, it is necessary to study the instability characteristics of residual coal pillars–roof system. Double coal pillar–roof combined…

Combination of Steroid and Anticoagulant Therapy to Treat Acute/Subacute Severe Cerebral Venous Thrombosis Open

Chen Zhou, Tingyu Zhao, Yansu Guo, Shuyuan Hu, Kaiyuan Zhang , et al. · 2023

Background: Accumulating evidence suggest that the inflammatory response plays a vital role in regulatingsevere CVT pathogenesis. However, whether CVT patients can benefit from anti-inflammatory therapy has been debated. This study explore…

Research and Application of Prefilled Concrete Wall to Reduce the Size of Stopping Mining Coal Pillar Open

Jiao Zhang, Shuwei Sun, Zhiqiang Wang, Jingkai Li · 2022

The long-term stability and width of stopping mining coal pillar have an important influence on mine safety production. In view of the “┤” type spatial structure of stop mining position of 6105 working face in Hongshuliang Coal Mine, the m…

Comparison of Image Quality and Radiation Dose Between Single-Energy and Dual-Energy Images for the Brain With Stereotactic Frames on Dual-Energy Cerebral CT Open

Xiaojing Zhao, Chao Wang, Yi Shan, Jingkai Li, Cheng Zhao , et al. · 2022

Background Preoperative stereotactic planning of deep brain stimulation (DBS) using computed tomography (CT) imaging in patients with Parkinson's disease (PD) is of clinical interest. However, frame-induced metal artifacts are common in cl…

Height identification of water-permeable fractured zone based on synchronous movement in overlying strata Open

Zhiqiang Wang, Jingkai Li, Zhongcheng Qin, Yue Su, Shermatova Sayyora Sidikovna · 2022

Research of Surrounding Rock Control of Gob-Side Entry Retaining Based on Deviatoric Stress Distribution Characteristics Open

Zhiqiang Wang, Jiao Zhang, Jingkai Li, Peng Wang, Chao Wu , et al. · 2022

In view of the difficulty of the surrounding rock control of retaining a roadway along a goaf, this paper takes the 5504 working face of the Hongshuliang Coal Mine as the engineering context. The uniaxial compressive strength and tensile s…

Roof Failure Mechanism of Thin Bedrock Working Faces under Loading and Analysis Based on Microseismic Monitoring Technology Open

Wei Miao, Lin Zhao, Shiqi Liu, Wenhao Jiang, Ermeng Zhang , et al. · 2022

The resistance transfer coefficient of supports plays an important role in support selection in coal mines, which is the main factor in support crushing accidents. Based on the key layer theory, the formula for calculating the resistance t…

Study on Coal Pillar Size Design Based on Non-integral Contact Structure of Coal and Rock Under Static and Dynamic Loads Open

Qinghai Li, Jingkai Li, Zhiqiang Wang, Kaixin Li, Cunzhi Zhang · 2021

Reasonable coal pillar size of roadway protection is an important guarantee for roadway stability under the action of static-dynamic coupling loadings in deep mines. Coal pillar and roof-floor rock form a non-integral contact structure of …

Table of Contents Open

Xiaofang Zhao, Xin Jia, Qufei Shi, Jian Wu, Fang Guo , et al. · 2021

Analysis on Subsidence Law of Bedrock and Ultrathick Loose Layer Caused by Coal Mining Open

Weiping Shi, Kaixin Li, Shengwen Yu, Cunzhi Zhang, Jingkai Li · 2021

In the process of coal mining, when the buried depth is large and the loose layer is thick, the ground subsidence tends to be abnormal, thus causing great damage to the surface ecological environment. In order to reveal the mechanism of mi…

Study on Influence Laws of Strata Behaviors for Shallow Coal Seam Mining beneath Gully Terrain Open

Zhiqiang Wang, Jingkai Li, Chao Wu, Wenyu Lv, Jiao Zhang , et al. · 2021

The study on influence laws of strata behaviors is the basic guarantee of safety mining for shallow coal seam beneath gully terrain. Taking 3302 mining face of Zhujiamao Coal Mine as the engineering background, the laws of strata behaviors…

Evaluation of Surface Integrity in 18CrNiMo7-6 Steel after Multiple Abrasive Waterjet Peening Process Open

Yun Zou, XU Ya-feng, Jingkai Li, Shuhao Liu, Dong Wang , et al. · 2020

Abrasive waterjet peening (AWJP) as an important surface strengthening method can effectively improve surface properties. In this study, after multiple AWJP, the distribution of compressive residual stress and roughness on the surface of 1…

Numerical Simulation Analysis of New Steel Sets Used for Roadway Support in Coal Mines Open

Qinghai Li, Jingkai Li, Jinpeng Zhang, Changxiang Wang, Kai Fang , et al. · 2019

The surrounding rock control is a tough issue in the roadway with the swelling soft rock. The steel set is an important material for the control of swelling soft rock roadways. However, traditional steel sets failed to prevent the expansiv…

Extension of Water Flowing Fractured Zone during Coal Seams Mining in No.1 Mine of Tashendian Area Open

Qinghai Li, Tongbin Zhao, Zhen Li, Jingkai Li · 2018

In coal seams mining in No. 1 mine of Tashendian area, three methods of theoretical analysis, UDEC numerical simulation, and physical simulation test were used in this research to analyze the extension height of water flowing fractured zon…

Strength and Cost Analysis of New Steel Sets as Roadway Support Project in Coal Mines Open

Qinghai Li, Renshu Yang, Jingkai Li, He Wang, Zhijie Wen · 2018

Roadway support in swelling soft rocks in coal mines has become a critical challenge in recent years. For deformation control in swelling soft rocks, high strength sets are preferred in sites. But high strength always means high costs. The…

The Bloggers' Personality Traits Categorizing Algorithm Based on Text Features Analysis Open

Guohua Ou, Jingkai Li, Junjia Guo, Zhao-quan CAI, Mengping Lu · 2016

Nowadays, researches of blogs mining mainly concentrate on opinion mining, community mining, blogs recommendation system and so on, with little concentration on personalities mining.How to mine bloggers' personality accurately and effectiv…

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