Mechanical behavior of fine-grained sandstone in triaxial compression and elastoplastic modeling by return mapping algorithms
Sign Up to like & getrecommendations! Published in 2017 at "Bulletin of Engineering Geology and the Environment"
DOI: 10.1007/s10064-017-1094-4
Abstract: The study is devoted to the strength and deformation behavior of fine-grained sandstone. A series of triaxial compression tests were conducted on rock samples under various confining pressures (3, 5, 10, 15, and 20 MPa) in… read more here.
Keywords: triaxial compression; behavior fine; fine grained; grained sandstone ... See more keywords
Microscopic characteristics of partially saturated dense sand and their link to macroscopic responses under triaxial compression conditions
Sign Up to like & getrecommendations! Published in 2020 at "Acta Geotechnica"
DOI: 10.1007/s11440-020-01049-w
Abstract: This paper presents a set of triaxial compression tests on partially saturated dense sands to clarify the microscopic characteristics and their link to the macroscopic responses. Constant suction tests (CS tests) and constant water content… read more here.
Keywords: sand; macroscopic responses; water; test ... See more keywords
Temperature effects on the mechanical properties of slates in triaxial compression test
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Mountain Science"
DOI: 10.1007/s11629-016-4171-4
Abstract: High geothermal temperatures appear to be unfavorable for the construction of tunnels in slate rocks with high overburden. To investigate the mechanical characteristics of slates at various levels of geothermal temperature, conventional triaxial compression tests… read more here.
Keywords: strength; temperature; decrease; mechanical characteristics ... See more keywords
Triaxial compression in sands using FDEM and micro-X-ray computed tomography
Sign Up to like & getrecommendations! Published in 2020 at "Computers and Geotechnics"
DOI: 10.1016/j.compgeo.2020.103638
Abstract: Abstract Triaxial compression experiments on dry Ottawa sand are numerically simulated using Finite Discrete Element Method (FDEM) in conjunction with X-ray CT imaging. A novel framework is introduced and validated where particle shape is captured… read more here.
Keywords: compression; using fdem; compression sands; sands using ... See more keywords
Determination of the mechanical parameters of the microstructure of rockfill materials in triaxial compression DEM simulation
Sign Up to like & getrecommendations! Published in 2021 at "Computers and Geotechnics"
DOI: 10.1016/j.compgeo.2021.104265
Abstract: Abstract An approach is devised to determine the mechanical parameters of the microstructure of Dalian limestone rockfill material (DLRM) in triaxial compression DEM simulation. The parameters of the rockfill materials include the crushing strength parameters… read more here.
Keywords: mesoscopic parameters; dem simulation; simulation; mechanical parameters ... See more keywords
Study on the mechanical properties of the mortars exposed to the sulfate attack of different concentrations under the triaxial compression with constant confining pressure
Sign Up to like & getrecommendations! Published in 2017 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2017.04.019
Abstract: Abstract The ingress of sulfate ion and mechanical load are two main reasons to induce the degradation of the properties in the marine structures. In this study, the mechanical properties of the samples exposed to… read more here.
Keywords: confining pressure; confining; study mechanical; mechanical properties ... See more keywords
Investigation of the curing time on the mechanical behavior of normal concrete under triaxial compression
Sign Up to like & getrecommendations! Published in 2017 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2017.04.180
Abstract: Abstract Due to its hydration process and applications under complex loadings, concrete is a live material and might be subjected to triaxial loadings in short time after pouring. The aim of this study is to… read more here.
Keywords: normal concrete; mechanical behavior; curing time; time ... See more keywords
Rock brittleness evaluation based on energy dissipation under triaxial compression
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2019.106349
Abstract: Abstract Evaluating the brittleness of rock is significant for strategy determination of hydraulic fracturing, such as candidate selection and parameter optimization. A series of definitions and indices of brittleness have been proposed to characterize the… read more here.
Keywords: brittleness; peak stage; strain; energy ... See more keywords
Evolution of shear wave velocity during triaxial compression
Sign Up to like & getrecommendations! Published in 2020 at "Soils and Foundations"
DOI: 10.1016/j.sandf.2020.07.008
Abstract: Abstract Accurate design of geotechnical structures requires precise estimation of the shear wave velocity (Vs) and the small-strain shear modulus. However, the interpretation of Vs data measured in deformed/sheared soil has not been extensively considered.… read more here.
Keywords: compression; shear wave; spherical particles; wave velocity ... See more keywords
Undrained triaxial compression tests on three-dimensional reinforced sand: effect of the geocell height
Sign Up to like & getrecommendations! Published in 2020 at "European Journal of Environmental and Civil Engineering"
DOI: 10.1080/19648189.2020.1728581
Abstract: AbstractThis paper presents an experimental thorough study on geocell reinforced loose sand (Dr = 25%), focusing on the improvement of the shear strength in undrained conditions. The experimental p... read more here.
Keywords: geocell; undrained triaxial; sand; tests three ... See more keywords
Mechanical and Failure Criteria of Air-Entrained Concrete under Triaxial Compression Load after Rapid Freeze-Thaw Cycles
Sign Up to like & getrecommendations! Published in 2017 at "Advances in Materials Science and Engineering"
DOI: 10.1155/2017/6786270
Abstract: The experiment study on the air-entrained concrete of 100 mm cubes under triaxial compression with different intermediate stress ratio : was carried out using a hydraulic-servo testing system. The influence of rapid freeze-thaw cycles and intermediate… read more here.
Keywords: strength; air entrained; rapid freeze; entrained concrete ... See more keywords