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mdpi.com
mdpi.com > 2076-16/17/3417 > 8712

Applied Sciences, Vol. 16, Pages 8712: Effects of Mild Acid Immersion and Freeze–Thaw Cycling on P-Wave Velocity-UCS Relationships in Dolostone

1+ week, 6+ day ago   (514+ words) Accurate estimation of uniaxial compressive strength (UCS) is essential in geotechnical engineering, but conventional UCS testing is destructive and time-consuming. This study investigates the effects of mild acid exposure and freeze–thaw (F–T) cycling on the relationships between P-wave velocity…...

mdpi.com
mdpi.com > 2076-16/17/3417 > 8709

Applied Sciences, Vol. 16, Pages 8709: Study on Acoustic Emission Response and Failure Characteristics of Rock–Proppant–Rock Composite Constructions Under Uniaxial Compression

1+ week, 6+ day ago   (402+ words) To reveal the bearing and instability mechanisms after filling proppants in the blasting pressure-relief fracture, four types of proppant-containing sandstone composite construction with interface inclinations of 0°, 4°, 8°, and 12° were prepared. A uniaxial compression test was conducted by combining Acoustic Emission (AE)…...

mdpi.com
mdpi.com > 2076-16/17/3417 > 8586

Applied Sciences, Vol. 16, Pages 8586: Analysis of Physico-Mechanical Deterioration and Abrasivity Evolution of Granite Subjected to Rapid Heating–Cooling Shock

2+ week, 3+ day ago   (736+ words) To address the issues of low mechanical rock-breaking efficiency and severe tool wear in hard rock, this study investigates the mechanical deterioration and abrasivity response of granite subjected to rapid flame-jet heating followed by liquid nitrogen cooling, with rock pre-treatment…...