Local Weakening Laws and Energy Transformation of Roadway Surrounding Rock with Structural Planes
Sign Up to like & getrecommendations! Published in 2020 at "Arabian Journal of Geosciences"
DOI: 10.1007/s12517-020-05411-w
Abstract: Coal resources are major energy resources for consumption in China. As the exploration of coal resources gradually turns to deep mining, the problem of supporting roadways in rock with structural planes under high ground stress… read more here.
Keywords: energy; rock structural; surrounding rock; rock samples ... See more keywords
Integrated petrographical and petrophysical studies for reservoir characterization of the Middle Jurassic rocks at Ras El-Abd, Gulf of Suez, Egypt
Sign Up to like & getrecommendations! Published in 2019 at "Journal of African Earth Sciences"
DOI: 10.1016/j.jafrearsci.2019.01.009
Abstract: Abstract Acoustic velocity and petrophysical parameters of thirteen samples from the Middle Jurassic Ras El-Abd exposure, west Gulf of Suez, Egypt, have been measured and integrated with the petrographical analysis to evaluate the effect of… read more here.
Keywords: velocity; ras abd; gulf suez; middle jurassic ... See more keywords
Determining the influence of pressure and temperature on the elastic constants of anisotropic rock samples using ultrasonic wave techniques
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Applied Geophysics"
DOI: 10.1016/j.jappgeo.2018.10.016
Abstract: Abstract Measuring rock elastic constants and anisotropy parameters and understanding their changes in response to changes in pressure and temperature is crucial for modeling and interpreting seismic measurements. The rapid advance in seismic exploration and… read more here.
Keywords: rock samples; rock; elastic constants; pressure temperature ... See more keywords
Comparative study on fracture characteristics of coal and rock samples based on acoustic emission technology
Sign Up to like & getrecommendations! Published in 2021 at "Theoretical and Applied Fracture Mechanics"
DOI: 10.1016/j.tafmec.2020.102851
Abstract: Abstract Monitoring on the damage evolution process of the coal and rock mass in coal resource mining play a vital role in safe production and avoiding economic losses. This study aims at further improving effectiveness… read more here.
Keywords: process; rock samples; coal rock; damage ... See more keywords
Analysis of the relationships between the thermophysical properties of rocks in the Dandong Area of China
Sign Up to like & getrecommendations! Published in 2020 at "European Journal of Remote Sensing"
DOI: 10.1080/22797254.2020.1763205
Abstract: ABSTRACT Data of this paper analysis indicates that the thermal conductivity increases with increasing water content. X-ray diffraction was used to analyze the mineral compositions of the rock samples. The rock samples were found to… read more here.
Keywords: porosity; analysis; thermal conductivity; conductivity ... See more keywords
Petro-mineralogical controls on coda attenuation in volcanic rock samples
Sign Up to like & getrecommendations! Published in 2021 at "Geophysical Journal International"
DOI: 10.1093/gji/ggab198
Abstract: ACKNOWLEDGEMENTS We thank Dr John Millett (Volcanic Basin Petroleum Research VBPR) for providing the rock samples, Dr Maxim Lebedev (Curtin University) for helping us with the acquisition of the µCT images, and Prof Andrew Putnis… read more here.
Keywords: controls coda; coda attenuation; mineralogical controls; petro mineralogical ... See more keywords
Features of Uniaxial Compression Failure of Brittle Rock Samples with Regard to Grain Characteristics
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Mining Science"
DOI: 10.1134/s1062739118023545
Abstract: The results are presented for uniaxial compression testing of brittle rock samples; their failure occur in the form of columnar cracking along the axis of applying the force. Test results are compared with characteristic quantities… read more here.
Keywords: compression; uniaxial compression; grain characteristics; rock samples ... See more keywords
Water Saturation Influences on Engineering Properties of Selected Sedimentary Rocks of Pakistan
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Mining Science"
DOI: 10.1134/s1062739118065060
Abstract: This study is focused on the evaluation of water saturation influence on the mechanical and physical properties of 34 sedimentary rock units selected from different geological formations in Pakistan. The laboratory testing program comprised the… read more here.
Keywords: rock; water; water saturation; rock samples ... See more keywords
Study on Synchronous Response Law of Acoustic and Electrical Signals of Outburst Coal Rock under Load and Fracture
Sign Up to like & getrecommendations! Published in 2023 at "Geofluids"
DOI: 10.1155/2023/1253236
Abstract: A multisignal nanosecond synchronous acquisition system to measure acoustic emission (AE) and electromagnetic radiation (EMR) generated during the process of loading and failure of coal and rock samples is established. The correlation between the energy… read more here.
Keywords: emr; coal; rock samples; outburst coal ... See more keywords
Behavior of seismic-acoustic parameters during deforming and failure of rock samples, large blocks and underground opening: base for monitoring
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Geo-Engineering"
DOI: 10.1186/s40703-017-0050-2
Abstract: Construction of engineered projects, such as underground spaces, tunnels, machine halls etc. is connected with variations in stress-state and deformations of large volumes of rock mass. Latter can results in damage of rocks, their collapse… read more here.
Keywords: large blocks; velocity; rock samples; monitoring ... See more keywords
Experimental Study on the Dissolution Characteristics and Microstructure of Carbonate Rocks under the Action of Thermal–Hydraulic–Chemical Coupling
Sign Up to like & getrecommendations! Published in 2023 at "Materials"
DOI: 10.3390/ma16051828
Abstract: Microdamage in a rock induces a change in the rock’s internal structure, affecting the stability and strength of the rock mass. To determine the influence of dissolution on the pore structure of rocks, the latest… read more here.
Keywords: rock; structure; dissolution; rock samples ... See more keywords