Gas Permeability and Porosity Evolution of a Porous Sandstone Under Repeated Loading and Unloading Conditions
Sign Up to like & getrecommendations! Published in 2017 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-017-1215-1
Abstract: The permeability and porosity of a porous sandstone under cyclic loading–unloading conditions are measured using an integrated permeability and porosity measurement system. Mineral content analysis of the rock is performed. The rock contains open microcracks… read more here.
Keywords: porosity; unloading conditions; permeability; permeability porosity ... See more keywords
Experimental Study on Rock Strength and Deformation Characteristics Under Triaxial Cyclic Loading and Unloading Conditions
Sign Up to like & getrecommendations! Published in 2020 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-020-02289-8
Abstract: The mechanical behavior of rock under cyclic loading is quite complicated compared to monotonic loading or unloading conditions. The triaxial cyclic loading and unloading testing of rock specimens under 6 confining pressures ( σ 3… read more here.
Keywords: strength; unloading conditions; cyclic loading; loading unloading ... See more keywords
Deformation and mechanical properties of rock: effect of hydromechanical coupling under unloading conditions
Sign Up to like & getrecommendations! Published in 2020 at "Bulletin of Engineering Geology and the Environment"
DOI: 10.1007/s10064-020-01824-9
Abstract: Mechanical behavior and deformation characteristics of rock under unloading conditions are of particular significance for analyzing excavation-induced instability problems of underground rock masses. In this paper, triaxial compression tests with progressive unloading of confining pressure… read more here.
Keywords: pore pressure; confining pressure; initial confining; unloading conditions ... See more keywords
Experimental and finite element analysis of marble with double pre-existing flaws under loading-unloading conditions
Sign Up to like & getrecommendations! Published in 2020 at "Arabian Journal of Geosciences"
DOI: 10.1007/s12517-020-05368-w
Abstract: In order to study the failure mechanism of fractured rock mass under different loading and unloading conditions, marble was used as the test material, which contained 45° double pre-existing cracks. The main processes, which initiation,… read more here.
Keywords: pre existing; double pre; unloading conditions; pre ... See more keywords
Influence of the unloading conditions on capping and lamination: study on a compaction simulator.
Sign Up to like & getrecommendations! Published in 2019 at "International journal of pharmaceutics"
DOI: 10.1016/j.ijpharm.2019.118468
Abstract: Capping and lamination are classical industrial issues that can be challenging during the scale up of solid dosage forms. Previous publications showed that changing the unloading conditions (triaxial decompression, loaded ejection) made it possible to… read more here.
Keywords: lamination; unloading conditions; study; compaction simulator ... See more keywords
Influences of the Height to Diameter Ratio on the Failure Characteristics of Marble under Unloading Conditions
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Geomechanics"
DOI: 10.1061/(asce)gm.1943-5622.0001777
Abstract: Abstract Failure characteristics of rocks under different loading and unloading conditions have been an important subject of laboratory tests. This study aims to investigate the influence of the he... read more here.
Keywords: height diameter; influences height; unloading conditions; diameter ratio ... See more keywords
Time-lag characteristics and strength evolution of rock failure under unloading conditions
Sign Up to like & getrecommendations! Published in 2025 at "Physics of Fluids"
DOI: 10.1063/5.0270409
Abstract: The release of radial stress at the excavation boundary is a primary inducing factor of tunnel strain burst. To investigate the failure characteristics and time-lag of rock masses with structural planes under unloading conditions typical… read more here.
Keywords: unloading conditions; rock; failure; strength ... See more keywords
The Epidermis in Microgravity and Unloading Conditions and Their Effects on Wound Healing
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Bioengineering and Biotechnology"
DOI: 10.3389/fbioe.2022.666434
Abstract: The future objectives of human space flight are changing from low-term permanence in the International Space Station to missions beyond low Earth orbit to explore other planets. This implies that astronauts would remain exposed for… read more here.
Keywords: unloading conditions; wound healing; microgravity; microgravity unloading ... See more keywords
Effect of Confining Pressure on the Macro- and Microscopic Mechanisms of Diorite under Triaxial Unloading Conditions
Sign Up to like & getrecommendations! Published in 2024 at "Buildings"
DOI: 10.3390/buildings14040866
Abstract: In this study, the response mechanism between macro- and microscales of deep hard-rock diorite is investigated under loading and unloading conditions. Moreover, the statistical theory is combined with particle flow code simulations to establish a… read more here.
Keywords: pressure; macro; unloading conditions; rock ... See more keywords