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Introduction

Bimonthly, started in 1957
Administrator
Shanxi Provincial Education Department
Sponsor
Taiyuan University of Technology
Publisher
Ed. Office of Journal of TYUT
Editor-in-Chief
SUN Hongbin
ISSN: 1007-9432
CN: 14-1220/N
Links
Shanxi Provincial Education Department
Taiyuan University of Technology
location： home> 2024,55(02)
Deep Neural Network Algorithm of Intelligent Backfilling in Goaf
【Purposes】 The intelligent filling of goaf is an important direction of green， safe， intelligent， and efficient mining of coal resources， and the key lies in intelligent decision-making and control of gangue-filling process in underground goaf.【Methods】 To realize this， the stress and deformation of surrounding rock after filling are taken as monitoring indicators， and a deep neural network algorithm for intelligent filling in goaf is established， which can calculate and analyze the st...
Taiyuan University of technology 2024,55(02): ZHOU Zhongbin LIANG Weiguo GUO Fengqi YAN Wulong. ;PDFviewed：abstract
Rescue Path Planning and Simulation Analysis of Mining Robot Based on Improved A* Algorithm
【Purposes】The situation of post-disaster site of coal mine underground is complex. Aiming at the fact that traditional A* algorithm-based coal mine robot rescue path planning bears path insecurity， low efficiency， and other problems， and by combining with the raster map and the characteristics that the rescue robot can move along any direction， multi-faceted improvement of the traditional A* algorithm is realized. 【Methods】First， the concept of robot size superimposed to obstacles is int...
Taiyuan University of technology 2024,55(02): DUAN Biying CHAI Zhaoyun XIN Zipeng YAN Ke XIAO Chang LIU Xiangyu LI Tianyu LIU Xinyu. ;PDFviewed：abstract
Experimental Study on the Characteristics of Concealed Faults’ Activation and Conduction under Two Layer Confined Aquifers Underlying Coal Seam Floor
【Purposes】The existing researches on mining induced water inrush through concealed faults underlying coal seam floor only consider the condition of single confined aquifer under coal seam floor. The activation characteristics of water inrush through concealed faults under the condition of two layer confined aquifers need to be studied. 【Methods】The mining stress and pore pressure evolution of concealed faults at different depths during mining were analyzed by means of similar physical simulat...
Taiyuan University of technology 2024,55(02): ZHANG Jian GUO Liangliang TU Kun. ;PDFviewed：abstract
Study on Shear Failure Characteristics of Oil Shale under High-temperature Steam Treatment
【Purposes】In the process of in-situ steam-assisted oil shale extraction， the shear strength of oil shale plays a crucial role in the stability of injection and production wells as well as the mining gallery. Additionally， the shear strength of rock formation is influenced by temperature. The variations in the shear characteristics of oil shale under different temperatures and shear angles are investigated. 【Methods】 A steam generation apparatus was employed to heat the oil shale. In the exp...
Taiyuan University of technology 2024,55(02): CAO Jingzhe YANG Dong KANG Zhiqin FENG Lihong. ;PDFviewed：abstract
Analysis of Anisotropic Heat Transfer Properties of Oil Shale and Simulation of In-situ Thermal Conduction Exploitation
【Purposes】 In the in-situ mining of oil shale， poor heat transfer efficiency and pronounced anisotropic differences present challenges. 【Methods】 In this study， standard samples from Xinjiangs Barikun oil shale are adopted to explore heat transfer variations in horizontal and vertical bedding at different temperatures through indoor experiments， and in-situ mining simulation was conducted. 【Findings】 The experimental results show that： 1） With the increase of temperature， the heat con...
Taiyuan University of technology 2024,55(02): ZHANG Xuanhao YU Lingjie MA Zhongliang LI Yilong JIANG Xing. ;PDFviewed：abstract
Experimental Study on the Evolution Law of Mechanical Properties of High Temperature Granite under Different Cooling Modes
英文摘要 【Purposes】The mechanical properties of granite in the same high temperature state under different cooling modes （thermal shock cooling in water at 20 ℃ and natural cooling in air at 20 ℃） are different. 【Methods】By using the laboratory self-developed thermal shock fracture experimental platform， uniaxial compression， Brazilian splitting， and variable-angle shearing （45， 55， 65） were carried out on granite in different temperature states （25-600 ℃） under two cooling mode...
Taiyuan University of technology 2024,55(02): XIN Guoxu XI Baoping YANG Xinxin DONG Yunsheng HE Shuixin WU Yangchun. ;PDFviewed：abstract
Influence of Slippage Effect on the Low Temperature Permeability of Coal Rock Under the Action of Heat Flow Solid Coupling
【Purposes】Increasing the permeability of coal reservoirs is a key technology to improve the recovery rate of coalbed methane， and in-situ thermal injection mining is an effective method to enhance coalbed methane production.【Methods】In order to explore the change rule of coal reservoir permeability under the coupling of heat， fluid， and solid， pyrolysis seepage experiments of anthracite with different burial depths and temperatures were conducted， and theoretical analysis and research we...
Taiyuan University of technology 2024,55(02): LI Ming MENG Qiaorong XIN Jialong ZHANG Runhua LI Yajun LIN Feng CHEN Tao. ;PDFviewed：abstract
Prediction of Coal Calorific Value Based on the Combined Optimization of BP by Bionic Algorithm
【Purposes】 Accurate prediction and evaluation of coal heat generation is an important foundation for coal quality analysis and thermal engineering calculation. The current model of neural network prediction of coal heat generation can effectively fit the nonlinear relationship， yet there are problems such as the ease to fall into the local minimum and slow convergence speed. 【Methods】 In order to accurately predict the heat generation of coal in the combustion process of industrial boilers，...
Taiyuan University of technology 2024,55(02): ZHANG Yi YAO Suling DONG Xianshu FU Yuanpeng FAN Yuping MA Xiaomin. ;PDFviewed：abstract
Geochronology Definition of Jian'ancun Formation in Wutai Hutuo Group and Its Implications
【Purposes】 The Hutuo Group belongs to the Early Proterozoic strata. As one of the most typical Paleoproterozoic strata in North China， the timing redefinition of the Hutuo Group is of great significance to the establishment of the early Precambrian stratigraphic chronology framework， the discussion of the early Precambrian geological evolution process in North China and the study of plate assembly. 【Methods】 This article conducts a detailed study of the Dongye Subgroup strata of the Hutuo G...
Taiyuan University of technology 2024,55(02): LI Chao LEI Yong HAN Wei FENG Zhiqiang LI Jianrong YAN Tao TANG Chenyan CUI Jie. ;PDFviewed：abstract
Study on Mineral Composition and Mechanical Properties of Clayey Slip Soil of Soft Rock Landslide in Shanxi Coal Measures
【Purposes】 For the Shanxi Coal Measures， the slip soil in coal bearing soft rock landslides generally contains a large number of clay minerals， and is a typical slip soil with certain expansibility and is different from the conventional slip soil in mechanical properties. 【Methods】 Four typical cases of clayey slip soil in coal bearing soft rock landslides in the Yellow River Basin in Shanxi Province are taken as research objects to reveal the unique mechanical properties. The research meth...
Taiyuan University of technology 2024,55(02): LIU Muqin YI Zhiqiang LONG Jianhui JIN Yuqi YAN Hongyan CAO Chenyang. ;PDFviewed：abstract
Overall Stability Analysis of the Flying Bridge across Fish Ponds in Jinci Temple
【Purposes】 As the "worlds oldest overpass"， the Flying Bridge across Fish Ponds in Jinci Temple highlights the cultural characteristics of ancient buildings in Shanxi. 【Methods】 In this paper， the compressive strength of the stone pillars of the Flying Bridge across Fish Ponds in Jinci Temple was tested with the rebound meter. AutoCAD software was used for three-dimensional modeling according to the mapping paper， and Abaqus finite element analysis software was used to simulate a...
Taiyuan University of technology 2024,55(02): LI Jinfang HAN Pengju AN Yijing CHAI Lin WANG Chongen BAI Xiangling. ;PDFviewed：abstract
Study on Thermal Activation of Coal-bearing Kaolinite and Its Influence on Long-term Strength of Cement Paste
【Purposes】 The high-value utilization of coal gangue has attracted attention， and the activation and action of coal-bearing kaolin have great significance value for utilization of coal gangue. 【Methods】 The thermal activation parameters of kaolinite in coal gangue were optimized by orthogonal test， and the compressive strength and microstructure of paste consisting of cement and metakaolin formed under the optimal activation conditions were studied. 【Findings】 The experimental results sho...
Taiyuan University of technology 2024,55(02): WANG Linhao CHENG Yin GAO Shufeng YAN Xiaoyan ALFRED Attoh YANG Hong. ;PDFviewed：abstract
Electrical Resistivity Characteristics and Mechanism of Solidified Loess Mixed with Calcium Oxide-modified Red Mud
【Purposes】This study focues on the resistivity characteristics and mechanism of solidified loess mixed with CaO-modified red mud.【Methods】 The resistivity of the samples with different CaO and red mud contents and curing ages was tested. In addition， XRD， SEM， EDS， porosity， and pore-throat distribution of these samples under different conditions were tested to analyze the mechanism of resistivity change. 【Findings】 The results show that the resistivity decreases with the increase of C...
Taiyuan University of technology 2024,55(02): SONG Zhiwei HAN Suli QIN Pengju MIAO Chenxi XIE Mingxing. ;PDFviewed：abstract
A Study on Fault Diagnosis of Heat Network Leakage Based on GA-ACO-BP Model
【Purposes】 This work has been done in order to overcome the problems of low fault recognition rate， slow convergence speed， and easy falling into local extremum in the current traditional back propagation （BP） model for heat network leakage fault diagnosis. 【Methods】 An optimized BP model based on genetic algorithm-ant colony optimization （GA-ACO） algorithm is proposed. The initial value of the pheromone is improved by using the cross-variance operator of the GA algorithm， the iteratio...
Taiyuan University of technology 2024,55(02): HAO Jiangyong DUAN Pengfei DU Yongfeng FENG Mengdan CHEN Jinglei. ;PDFviewed：abstract
A Semi-active Control Method for Structural Vibration Subject to Near-field Earthquakes
【Purposes】 In this paper， a semi-active control method for structural vibration subject to near-field earthquakes is proposed. A neuro-fuzzy model is used to capture rate and temperature dependent nonlinear behavior of the SMA components of the hybrid device. 【Methods】According to characteristics of near-field earthquakes， a non-dominated genetic algorithm is employed to design a self-organizing fuzzy controller. To obtain optimal controllers for concurrent mitigation of displacement and ac...
Taiyuan University of technology 2024,55(02): FAN Changlin XIANG Xueqi. ;PDFviewed：abstract
Analysis of Strength Degradation of Q235 Corroded Steel Based on Pitting Evolution
【Proposes】To evaluate the strength degradation behavior of corroded steel with pitting evolution， an in-situ pitting evolution method is achieved by ABAQUS software combined with Python program according to pit statistics on steel matrix surfaces at different corrosion durations. Following this， the stochastic pitting evolution method for assessing the mechanical properties of corroded steel is proposed. 【Methods】 Then， on the premise of the consistent mass loss rates between the numerical...
Taiyuan University of technology 2024,55(02): FU Benzhao LIN Ruizong ZHAO Yun GUO QI WU Zeyan. ;PDFviewed：abstract
Effects of Hexavalent Chromium on Physiological Function of Heart， Skeletal Muscle and Sciatic Nerve Trunk of Bullfrog
【Proposes】 To investigate the toxicological mechanism of hexavalent chromium， the effects of hexavalent chromium on the heart， gastrocnemius muscle and action potential of sciatic nerve trunk in bullfrog were studied from the perspective of electrophysiology.【Methods】 The bullfrog hearts were treated with different concentrations of potassium dichromate solution by intraperitoneal injection and isolated heart perfusion， and the effects of hexavalent chromium on heart rate and contractility...
Taiyuan University of technology 2024,55(02): ZHANG Yanjun ZHANG Jing ZHANG Quanyou LI Mingzhen LI Pengcui WEI Xiaochun CHEN Weiyi. ;PDFviewed：abstract
Numerical Simulation of Factors Influencing the Effectiveness of Orthokeratology Lens Correction
【Purposes】 The corneal shape and mechanical properties of cornea and contact lens material have a certain impact on the correction effect of contact lens.【Methods】 In this paper， a finite element model of corneal wearing orthokeratology lens was established by using hyperelasticity materials， and the biomechanical response of cornea after wearinglens was analyzed by changing the shape of cornea （different curvature and thickness） and the material parameters of cornea and orthokeratology l...
Taiyuan University of technology 2024,55(02): HU Junqi WANG Xiaojun ZHANG Lihua LI Xiaona HOU Jie. ;PDFviewed：abstract
Substrate Stiffness Mediate Inflammatory Response of Chondrocyte Stimulated by IL-1β
【Purposes】Osteoarthritis （OA） is a degenerative joint disease that commonly occurs in middle-aged and elderly people. Mechanical microenvironment is one of the most significant factors in the development of OA. However， when the mechanical microenvironment changes， the inflammatory response of chondrocyte is elusive. 【Methods】By adopting polydimethylsiloxane （PDMS） substrates with varying stiffness which can mimic the physiological stiffness of chondrocyte pericellular matrix （PCM），...
Taiyuan University of technology 2024,55(02): MENG Nan WANG Xiaoxiao ZHANG Yanjun CHEN Weiyi WEI Xiaochun ZHANG Quanyou. ;PDFviewed：abstract
Biomechanical Analysis of the Effect of Wearing Orthotic Insoles on the Lower Limbs of Patients with Flatfoot
【Purposes】 Orthopedic insoles are an effective means of non-surgical correction of flatfoot， but there is no unified view on its rehabilitation mechanism， and most previous studies have focused on the improvement of plantar pressure.【Methods】 Firstly， a 3D motion capture system， a force platform and a foot test system were used to test the subjects respectively， to obtain the kinematic and dynamic data of the flatfoot patients lower limbs when walking naturally， and then Anybody softwar...
Taiyuan University of technology 2024,55(02): XU Qiang GUO Yuan ZHANG Xushu YIN Long HU Yanjun WEN Yunpeng. ;PDFviewed：abstract

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