Shanchao Hu

Shandong University of Science and Technology

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Yunliang Tan

Shandong University of Science and Technology

Weijia Guo

Beijing Institute of Technology

Jianguo Ning

Zhejiang University of Science and Technology

Qingheng Gu

Anhui University of Science and Technology

Wenkai Ru

Central South University

Xuesheng Liu

Shandong University of Science and Technology

Yousheng Lin

Yuan Ze University

Lei Yang

Shenyang University

Tongbin Zhao

Shandong University of Science and Technology

Jinming Han

Capital Medical University

Cooperative Institutions

Shandong University of Science and Technology

Ministry of Science

South China University of Technology

Chinese Academy of Sciences

University of Chinese Academy of Sciences

China University of Mining and Technology

Central South University

Shihezi University

Shandong University

Key Laboratory of Guangdong Province

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Co-pyrolysis between microalgae and textile dyeing sludge by TG–FTIR: Kinetics and products

Energy Conversion and Management (2015)

Xiaowei Peng Xiaoqian Ma Yousheng Lin Zhenge Guo Shanchao Hu

10.1016/j.enconman.2015.05.025

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Citations (215)

Experimental study of factors affecting fault slip rockbursts in deeply buried hard rock tunnels

Bulletin of Engineering Geology and the Environment (2016)

Fanzhen Meng Hui Zhou Zaiquan Wang Liming Zhang Liang Kong

Classification of discontinuities

Acoustic Emission

Fault plane

10.1007/s10064-016-0926-y

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Citations (61)

Impact of Bedding Planes on Mechanical Properties of Sandstone

Rock Mechanics and Rock Engineering (2017)

Shanchao Hu Yunliang Tan Hui Zhou Weijia Guo Dawei Hu

Bedding

Bed

10.1007/s00603-017-1239-6

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Citations (58)

Case Studies of Rock Bursts in Tectonic Areas with Facies Change

Energies (2019)

Weijia Guo Qingheng Gu Yunliang Tan Shanchao Hu

Although tectonic areas with facies change (i.e., variation of coal seam thickness, coal seam dip angle, or coal quality) are one of the three major geological structures that induce rock bursts, case studies of rock bursts in these tectonic structures are rare. The main objective of this study is to illustrate this issue and provide case studies that may inspire future research. Based on several typical cases of rock bursts induced by tectonic areas with facies change, the conditions conducive for these bursts are introduced and investigated in detail. Subsequently, numerical simulation is performed, showing that stress concentration exists in regions with variable coal seam thicknesses or dip angle. When stoping or tunnelling approaches this region, the peak stress increases rapidly. Thus, the burst occurs via a mechanism involving the superposition of high in-situ stress from tectonic areas with facies change and abutment pressure from stoping or tunnelling, leading to high stress concentration. Strategies for mitigating rock bursts are also provided. Rock bursts induced by tectonic areas with facies change can be mitigated by avoiding regions of high tectonic stress concentration and reducing mining induced stress.

Rock burst

Tectonic phase

10.3390/en12071330

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Citations (39)

Rock burst criteria of deep residual coal pillars in an underground coal mine: a case study

Geomechanics and Engineering (2019)

Pengqi Qiu Jun Wang Jianguo Ning Xuesheng Liu Shanchao Hu

The reliability of reinforced concrete structures is frequently compromised by the deterioration caused by reinforcement corrosion. Evaluating the effect caused by reinforcement corrosion on structural behaviour of corrosion damaged concrete structures is essential for effective and reliable infrastructure management. In lifecycle management of corrosion affected reinforced concrete structures, it is difficult to correctly assess the lifecycle performance due to the uncertainties associated with structural resistance deterioration. This paper presents a stochastic deterioration modelling approach to evaluate the performance deterioration of corroded concrete structures during their service life. The flexural strength deterioration is analytically predicted on the basis of bond strength evolution caused by reinforcement corrosion, which is examined by the experimental and field data available. An assessment criterion is defined to evaluate the flexural strength deterioration for the time-dependent reliability analysis. The results from the worked examples show that the proposed approach is capable of evaluating the structural reliability of corrosion damaged concrete structures.

Residual strength

Service life

10.12989/gae.2019.19.6.499

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Citations (9)

Multiparameter Monitoring and Prevention of Fault-Slip Rock Burst

Shock and Vibration (2017)

Shanchao Hu Yunliang Tan Jianguo Ning Weijia Guo Xuesheng Liu

Fault-slip rock burst is one type of the tectonic rock burst during mining. A detailed understanding of the precursory information of fault-slip rock burst and implementation of monitoring and early warning systems, as well as pressure relief measures, are essential to safety production in deep mines. This paper first establishes a mechanical model of stick-slip instability in fault-slip rock bursts and then reveals the failure characteristics of the instability. Then, change rule of mining-induced stress and microseismic signals before the occurrence of fault-slip rock burst are proposed, and multiparameter integrated early warning methods including mining-induced stress and energy are established. Finally, pressure relief methods targeting large-diameter boreholes and coal seam infusion are presented in accordance with the occurrence mechanism of fault-slip rock burst. The research results have been successfully applied in working faces 2310 of the Suncun Coal Mine, and the safety of the mine has been enhanced. These research results improve the theory of fault-slip rock burst mechanisms and provide the basis for prediction and forecasting, as well as pressure relief, of fault-slip rock bursts.

Rock burst

Microseism

Acoustic Emission

10.1155/2017/7580109

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Citations (15)

Thermogravimetric analysis of the co-pyrolysis of paper sludge and municipal solid waste

Energy Conversion and Management (2015)

Shiwen Fang Zhaosheng Yu Yousheng Lin Shanchao Hu Yanfen Liao

Thermogravimetric analysis

10.1016/j.enconman.2015.06.026

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Citations (138)

Effect of hydrothermal carbonization temperature on combustion behavior of hydrochar fuel from paper sludge

Applied Thermal Engineering (2015)

Yousheng Lin Xiaoqian Ma Xiaowei Peng Shanchao Hu Zhaosheng Yu

Hydrothermal Carbonization

Heat of combustion

Carbon fibers

Thermogravimetric analysis

10.1016/j.applthermaleng.2015.08.064

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Citations (198)

Study on Creep Characteristics and Nonlinear Fractional-Order Damage Constitutive Model of Weakly Cemented Soft Rock

Rock Mechanics and Rock Engineering (2023)

Wenkai Ru Shanchao Hu Aohui Zhou Pingkuang Luo Hao Gong

Overburden pressure

10.1007/s00603-023-03493-y

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Citations (12)

Mechanical behavior of rock-coal-rock specimens with different coal thicknesses

Geomechanics and Engineering (2018)

Weijia Guo Yunliang Tan YU Feng-hai T. Zhao Shanchao Hu

To explore the influence of coal thickness on the mechanical behavior and the failure characteristics of rock-coal-rock (RCR) mass, the experimental investigation of uniaxial compressive tests was conducted first and then a systematic numerical simulation by particle flow code (PFC2D) was performed to deeply analyze the failure mechanical behavior of RCR specimens with different coal thicknesses in conventional compression tests. The overall elastic modulus and peak stress of RCR specimens lie between the rock and the coal. Inter-particle properties were calibrated to match the physical sample strength and the stiffness response. Numerical simulation results show that the deformation and strength behaviors of RCR specimens depend not only on the coal thickness, but also on the confining pressure. Under low confining pressures, the overall failure mechanism of RCR specimen is the serious damage of coal section when the coal thickness is smaller than 30 mm, but it is shear failure of coal section when the coal thickness is larger than 30 mm. Whereas under high confining pressures, obvious shear bands exist in both the coal section and the rock section when the coal thickness is larger than 30 mm, but when the coal thickness is smaller than 30mm, the failure mechanism is serious damage of coal section and shear failure of rock section.

Overburden pressure

Particle Flow

10.12989/gae.2018.15.4.1017

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Citations (80)