Study on Dynamic Tensile Strength of Red Sandstone Under Impact Loading and Negative Temperature
Sign Up to like & getrecommendations! Published in 2019 at "Geotechnical and Geological Engineering"
DOI: 10.1007/s10706-019-00927-9
Abstract: In western China, red sandstone is widely distributed. This type of rock is susceptible to generate cracks after being disturbed, and thus becomes a communication channel for groundwater, which poses a great hidden danger in… read more here.
Keywords: tensile strength; temperature; red sandstone; dynamic tensile ... See more keywords
Evaluation of internal microcrack evolution in red sandstone based on time–frequency domain characteristics of acoustic emission signals
Sign Up to like & getrecommendations! Published in 2020 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2020.120435
Abstract: Abstract Rocks are commonly used as building stone and construction materials in many engineering applications. To study the internal microcrack evolution characteristics of red sandstone specimens during deformation and failure, a uniaxial compression experiment was… read more here.
Keywords: frequency; red sandstone; acoustic emission; deformation ... See more keywords
Changes in glossiness, electrical properties and hardness of red sandstone after thermal treatment
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Geophysics"
DOI: 10.1016/j.jappgeo.2020.104005
Abstract: Abstract The physical properties (glossiness, hardness, capacitance and electrical impedance) of red sandstone after thermal treatment at different temperature will be performed differently. The experiments show that the entire process can be divided into three… read more here.
Keywords: sandstone thermal; red sandstone; changes glossiness; sandstone ... See more keywords
Effect of microwave treatment on thermal properties and structural degradation of red sandstone in rock excavation
Sign Up to like & getrecommendations! Published in 2021 at "Minerals Engineering"
DOI: 10.1016/j.mineng.2020.106730
Abstract: Abstract Weakening rocks using microwave irradiation has been a major topic in research for the past 50 years. However, the thermal effect of microwaves on rocks is mostly studied with a multi-mode metal cavity, in which… read more here.
Keywords: red sandstone; treatment; microwave treatment; rock excavation ... See more keywords
Reinterpreting the age of the uppermost ‘Old Red Sandstone' and Early Carboniferous in Scotland
Sign Up to like & getrecommendations! Published in 2018 at "Earth and Environmental Science Transactions of the Royal Society of Edinburgh"
DOI: 10.1017/s1755691018000968
Abstract: ABSTRACT In Scotland, the base of the Ballagan Formation has traditionally been placed at the first grey mudstone within a contiguous Late Devonian to Carboniferous succession. This convention places the Devonian–Carboniferous boundary within the Old… read more here.
Keywords: kinnesswood formation; age; old red; red sandstone ... See more keywords
Experimental Study on the Spatial–Temporal Failure Characteristics of Red Sandstone with a Cemented Structural Surface under Compression
Sign Up to like & getrecommendations! Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.2c02169
Abstract: A geological structural surface frequently appears in underground engineering and it significantly affects the stability of engineering structures. To elucidate the spatial–temporal failure characteristics of discontinuities between rocks, red sandstone with a firmly cemented discontinuity… read more here.
Keywords: failure; red sandstone; structural surface; failure characteristics ... See more keywords
Dynamic Compression Properties and Deterioration of Red-Sandstone Subject to Cyclic Wet-Dry Treatment
Sign Up to like & getrecommendations! Published in 2019 at "Advances in Civil Engineering"
DOI: 10.1155/2019/1487156
Abstract: Rock engineering is usually associated with impact loads induced by blasting, drilling, vibration, or earthquake. In the engineering fields of tunnelling, slopes, dams, and mining, rocks are always subjected to cyclic wet-dry caused by periodical… read more here.
Keywords: dynamic compression; cyclic wet; wet dry; red sandstone ... See more keywords
Experimental Study on the Influence of Specimen Shape on Rockburst Proneness of Red Sandstone
Sign Up to like & getrecommendations! Published in 2020 at "Shock and Vibration"
DOI: 10.1155/2020/4182861
Abstract: To investigate the specimen shape effect on rockburst proneness of rock materials, a string of conventional and single-cycle loading-unloading uniaxial compression tests was performed with cylindrical and cuboid red sandstone specimens. Despite similar development paths… read more here.
Keywords: rockburst proneness; red sandstone; specimen shape; energy ... See more keywords
The Uniaxial Creep Characteristics of Red Sandstone under Dry-Wet Cycles
Sign Up to like & getrecommendations! Published in 2020 at "Advances in Civil Engineering"
DOI: 10.1155/2020/8841773
Abstract: Water is one of the most important factors that affect the long-term stability of geotechnical engineering structures. Rainfall often results in periodic changes in the water content in underground rock, which is subjected to alternating… read more here.
Keywords: number dry; red sandstone; dry wet; wet cycles ... See more keywords
Engineering Characteristics and Application Analysis of Red Sandstone in the Lanzhou Metro
Sign Up to like & getrecommendations! Published in 2023 at "Geofluids"
DOI: 10.1155/2023/8927005
Abstract: The water-rich red sandstone strata at the Lanzhou Metro site area have special engineering properties and vary greatly in their speed of disintegration when exposed to water. There is an urgent need for a comprehensive… read more here.
Keywords: sandstone; lanzhou metro; red sandstone; disintegration ... See more keywords
Pore Structure Characteristics and Strength Variation of Red Sandstone under Freeze–Thaw Cycles
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15113856
Abstract: To study pore structure characteristics and the strength of red sandstone under freeze–thaw cycles, the saturated red sandstone was studied by the combination of freeze–thaw cycle test, high-pressure mercury injection test, uniaxial compression test and… read more here.
Keywords: times times; freeze thaw; thaw cycles; red sandstone ... See more keywords