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Laser rock-breaking mechanism considering rock inhomogeneity …
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Fracture and fractal characteristics of high
20241220· The thermal response of the rock in the preheating and cooling process of jet impingement is affected by the mineral composition of the rock itself, the test environment and …
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The Rock-Breaking Mechanism of Thermal Spalling-Assisted Rock …
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Effect of microwave irradiation on the breaking and linear cutting …
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Application of Thermal Fragmentation in Australian Hard Rock
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Rock breaking using liquid nitrogen and water jet: a case of
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Investigation of the Heat-Treatment Effect on Rock Fragmentation
Thermal Hard Rock Crushing - syci.frRock fragmentation by creating a thermal inclusion with. A new concept of thermal crushing of hard rocks is examined in this study. The theoretical …
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A study on a new concept of thermal hard rock crushing
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Experimental study on the characteristics and mechanism of high
51· Rock breaking using a high-pressure water jet is an emerging drilling technique for high-temperature deep-ground resources. The damage characteristics associated with …
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Experimental study of high-speed particle jets impacting deep hard rock …
91· As the rock-breaking hole is created, both the thermal and gravitational potential energies change, but their effects are negligible relative to the change in kinetic energy [32]. …
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A Study On A New Concept Of Thermal Hard Rock Crushing
ABSTRACT. ABSTRACTA new concept of thermal crushing of hard rocks is examined in this study. The theoretical methods developed to analyze thermal stresses and fragmentation …
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Mechanical behavior and thermal damage characterization of …
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A Study On A New Concept Of Thermal Hard Rock Crushing
1972611· ABSTRACT. ABSTRACTA new concept of thermal crushing of hard rocks is examined in this study. The theoretical methods developed to analyze thermal stresses and …
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Novel hard rock breaking technique using ultra-high-frequency …
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Pre-treatment of rocks prior to comminution
201731· The results of the application of thermal shock presented indicate toward an alternative and more efficient method of pre-treatment. The means to induce thermal stresses …
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Experimental study on the characteristics and mechanism of high
51· The superposition of jet dynamic load stress waves and thermal stress causes the fracture of high-temperature hard rock. Fig. 11 represents a schematic diagram of the …
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Experimental research on laser thermal rock breaking and …
121· The high-energy beam laser breaking of rock is an emerging noncontact physical rock-breaking method. The technology of laser thermal rock breaking has the …
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Experimental research on laser thermal rock breaking and …
121· With increasing laser power, the energy density of laser radiation increases, resulting in a violent rock thermal crushing, thereby causing more rock-breaking melting, …
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DETERMINATION OF ROCK DAMAGE CHARACTERISTICS …
by deep hard rock layers, new rock-breaking methods have emerged rapidly. Techniques such as laser [3], microwave, water jet [4], and electric pulse [5] rock-breaking have seen significant …
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