Tubing Yin
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View article: Mining-induced land use change and ecological restoration: Lessons from three developing economies
Mining-induced land use change and ecological restoration: Lessons from three developing economies Open
View article: Key Technologies for and Cases of Open-Stope-to-Backfill Transition in China’s Small and Medium Mines
Key Technologies for and Cases of Open-Stope-to-Backfill Transition in China’s Small and Medium Mines Open
Globally, the open-stope method is used in over 60% of small- and medium-sized mines because of its low cost and high initial efficiency, but it has issues like high ore loss and a great goaf-collapse risk, becoming a core bottleneck for m…
View article: Research Progress and Typical Case of Open-Pit to Underground Mining in China
Research Progress and Typical Case of Open-Pit to Underground Mining in China Open
As Chinese open-pit mines progressively transition to deeper operations, challenges such as rising stripping ratios, declining slope stability, and environmental degradation have become increasingly pronounced. The sustainability of tradit…
View article: The Recent Progress China Has Made in Mining Method Transformation, Part I: Shrinkage Method Transformed into Backfilling Method
The Recent Progress China Has Made in Mining Method Transformation, Part I: Shrinkage Method Transformed into Backfilling Method Open
The shrinkage method is one of the earliest and most widely used mining methods in China’s underground mines, but shrinkage mining is often accompanied by a number of problems and safety hazards. With the continuous improvement of the fill…
View article: Experimental Investigation on Rock Failure Characteristics of Large-Span Goafs Using Digital Image Correlation Analysis and Acoustic Emission Monitoring
Experimental Investigation on Rock Failure Characteristics of Large-Span Goafs Using Digital Image Correlation Analysis and Acoustic Emission Monitoring Open
Rockmass in deep mining is highly susceptible to large-scale collapses under high stress and blast-induced disturbances, leading to casualties and economic losses. To investigate the evolution characteristics of goaf instability and the ty…
View article: The Recent Progress China Has Made in Mining Method Transformation: Part II Sublevel Caving Method Transformed into Backfilling Method
The Recent Progress China Has Made in Mining Method Transformation: Part II Sublevel Caving Method Transformed into Backfilling Method Open
As the world’s largest resource production and consumption country, China is rich in mineral resources, but its per capita occupancy is lower than the world average. In this context, mining enterprises need to choose efficient, green, and …
View article: Grain-based coupled thermo-mechanical modeling for stressed heterogeneous granite under thermal shock
Grain-based coupled thermo-mechanical modeling for stressed heterogeneous granite under thermal shock Open
Microscopic damage and macroscopic mechanical properties of granite under the coupling effect of thermal load and initial stress are crucial considerations for the safe construction of underground geo-energy engineering. However, visualizi…
View article: Study on dynamic mechanical properties and microscopic damage mechanisms of granite after dynamic triaxial compression and thermal treatment
Study on dynamic mechanical properties and microscopic damage mechanisms of granite after dynamic triaxial compression and thermal treatment Open
As underground mining operations gradually extend deeper, the conditions for orebody occurrence become increasingly complex, and various geological disasters occur frequently. Rock masses are prone to different degrees and types of damage,…
View article: Digital Fracture Surface Morphology and Statistical Characteristics of Granite Brazilian Tests after Non-Steady-State Thermal Disturbance
Digital Fracture Surface Morphology and Statistical Characteristics of Granite Brazilian Tests after Non-Steady-State Thermal Disturbance Open
With the widespread advent of digital technologies, traditional perspectives in rock mechanics research are poised for further expansion. This paper presents a Brazilian test conducted on granite after non-steady-state thermal disturbance …
View article: Study on Dynamic Mechanical Properties and Microscopic Damage Mechanisms of Granite after Dynamic Triaxial Compression and Thermal Treatment
Study on Dynamic Mechanical Properties and Microscopic Damage Mechanisms of Granite after Dynamic Triaxial Compression and Thermal Treatment Open
View article: Study on Dynamic Mechanical Properties and Microscopic Damage Mechanisms of Granite after Dynamic Triaxial Compression and Thermal Treatment
Study on Dynamic Mechanical Properties and Microscopic Damage Mechanisms of Granite after Dynamic Triaxial Compression and Thermal Treatment Open
View article: Energy Storage Characteristics and Damage Constitutive Model of Thermally Treated Granite: An Experimental Investigation
Energy Storage Characteristics and Damage Constitutive Model of Thermally Treated Granite: An Experimental Investigation Open
View article: Performances of fissured red sandstone after thermal treatment with constant-amplitude and low-cycle impacts
Performances of fissured red sandstone after thermal treatment with constant-amplitude and low-cycle impacts Open
In the engineering practices, it is increasingly common to encounter fractured rocks perturbed by temperatures and frequent dynamic loads. In this paper, the dynamic behaviors and fracture characteristics of red sandstone considering tempe…
View article: Three-Dimensional Simulation Stability Analysis of Slopes from Underground to Open-Pit Mining
Three-Dimensional Simulation Stability Analysis of Slopes from Underground to Open-Pit Mining Open
The stability of mine slopes is an important factor influencing the orderly production of mines and the safety of people’s lives and property. The stability of slopes can be effectively determined by means of three-dimensional simulation a…
View article: Damage Effect of Thermal Shock on the Heated Granite at Different Cooling Rates
Damage Effect of Thermal Shock on the Heated Granite at Different Cooling Rates Open
This study investigates the affecting pattern of cooling rates on the physical and mechanical properties of granite at high temperature. The different cooling rates are realized by cooling the heated granite specimens in the air at room te…
View article: An Innovative Method to Analyze the Hydraulic Fracture Reopening Pressure of Hot Dry Rock
An Innovative Method to Analyze the Hydraulic Fracture Reopening Pressure of Hot Dry Rock Open
This paper focuses on a new test method and theoretical model for measuring and evaluating the reopening pressure during hot dry rock hydraulic fracturing. Firstly, rock blocks of four lithologies were collected from the hot dry rock strat…
View article: Quasi-Static and Dynamic Tensile Behavior of Water-Bearing Sandstone Subjected to Microwave Irradiation
Quasi-Static and Dynamic Tensile Behavior of Water-Bearing Sandstone Subjected to Microwave Irradiation Open
Microwave irradiation on rocks before excavation is an effective method to reduce equipment wear and energy consumption during mechanical cutting. Rock mass excavation is usually carried out in a water-rich environment and exposed to dynam…
View article: Dynamic compressive strength and failure mechanisms of microwave damaged sandstone subjected to intermediate loading rate
Dynamic compressive strength and failure mechanisms of microwave damaged sandstone subjected to intermediate loading rate Open
To investigate the influence of microwave heating on the dynamic behavior and failure mechanisms of rock, dynamic compression tests were conducted on microwave-irradiated sandstone specimens using a modified split Hopkinson pressure bar (S…
View article: Effects of microwave radiation on dynamic compressive properties of basalt
Effects of microwave radiation on dynamic compressive properties of basalt Open
The dynamic mechanical properties of basalt affected by microwave were investigated by performing dynamic compressive tests using the SHPB system. Meanwhile, the thermal damage of the treated basalt was characterized by ultrasonic non-dest…
View article: Hazard Classification and Stability Analysis of High and Steep Slopes from Underground to Open-Pit Mining
Hazard Classification and Stability Analysis of High and Steep Slopes from Underground to Open-Pit Mining Open
The stability of high and steep slopes in open-pit mines is closely related to the mine operations and the lives of the surrounding residents, so it is important to ensure the safety and stability of the slopes. Hazard classification and s…
View article: Determination of dynamic mode I fracture toughness of rock at ambient high temperatures using notched semi-circular bend method
Determination of dynamic mode I fracture toughness of rock at ambient high temperatures using notched semi-circular bend method Open
To investigate the influence of loading rate and high temperature on the dynamic fracture toughness of rock, dynamic fracture tests were carried out on notched semi-circular bend specimens under four temperature conditions based on the spl…
View article: Experimental Investigation on the Energy Properties and Failure Process of Thermal Shock Treated Sandstone Subjected to Coupled Dynamic and Static Loads
Experimental Investigation on the Energy Properties and Failure Process of Thermal Shock Treated Sandstone Subjected to Coupled Dynamic and Static Loads Open
Thermal shock (TS) is known as the process where fractures are generated when rocks go through sudden temperature changes. In the field of deep rock engineering, the rock mass can be subjected to the TS process in various circumstances. To…
View article: Experimental and Numerical Investigation on Thermal Damage of Granite Subjected to Heating and Cooling
Experimental and Numerical Investigation on Thermal Damage of Granite Subjected to Heating and Cooling Open
Rock mass is frequently subjected to rapid cooling in geothermal reservoir during water injection and reinjection. In this paper, to understand the effects of cooling treatments on heated granite, heat conduction tests, magnetic resonance …
View article: Dynamic Properties of Thermal Shock Treated Sandstone Subjected to Coupled Dynamic and Static Loads
Dynamic Properties of Thermal Shock Treated Sandstone Subjected to Coupled Dynamic and Static Loads Open
In deep rock engineering, the rock mass can be subjected to thermal stress caused by sudden changes in temperature, which is referred to as thermal shock (TS). To study the effect of TS on heated sandstone, three cooling methods are used t…
View article: A waveform modification method for testing dynamic properties of rock under high temperature
A waveform modification method for testing dynamic properties of rock under high temperature Open
In this study, a waveform modification method was proposed using a self-designed heating device combined with the split Hopkinson pressure bar (SHPB) technique for determination of dynamic behaviors of rock at high temperature. Firstly, th…
View article: Temperature-dependent factors on hydraulic fracturing of hot dry rock (HDR): An experimental investigation
Temperature-dependent factors on hydraulic fracturing of hot dry rock (HDR): An experimental investigation Open
Hot dry rock (HDR) is rich in geothermal energy and renewable and does not cause pollution; therefore, it has attracted considerable research attention. Previous studies have extensively discussed the process of HDR hydraulic fracturing ba…
View article: High-Temperature Effect on the Physical and Dynamic Compressive Properties of Pre-Stressed Cement Mortar
High-Temperature Effect on the Physical and Dynamic Compressive Properties of Pre-Stressed Cement Mortar Open
Cement mortars are extensively used in tunnels and underground facilities, where the risk of high temperatures due to fires and explosions triggered by traffic accidents, earthquakes or electrical malfunctions cannot be ruled out. It is ne…
View article: Effect of Heating Rate on the Dynamic Compressive Properties of Granite
Effect of Heating Rate on the Dynamic Compressive Properties of Granite Open
Variation in the heating rate due to different geothermal gradients is a cause of much concern in underground rock engineering such as deep sea and underground tunnels, nuclear waste disposal, and deep mining. By using a split Hopkinson pr…
View article: Effects of acid and phosphate on arsenic solidification in a phosphogypsum-based cement backfill process
Effects of acid and phosphate on arsenic solidification in a phosphogypsum-based cement backfill process Open
Phosphogypsum (PG) produced during phosphoric acid production contains significant amounts of arsenic and can potentially cause adverse environmental and health effects.
View article: Mechanical Behaviors and Damage Constitutive Model of Thermally Treated Sandstone Under Impact Loading
Mechanical Behaviors and Damage Constitutive Model of Thermally Treated Sandstone Under Impact Loading Open
Thermal-mechanical coupling damage is an important factor leading to instability and failure of rock mass engineering. The constitutive relation and damage evolution of rock-like materials under high strain rate is crucial parameters for t…