Coupling Instability Mechanism and Joint Control Technology of Soft-Rock Roadway with a Buried Depth of 1336 m
Sign Up to like & getrecommendations! Published in 2019 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-019-02027-9
Abstract: Based on the geological conditions of soft-rock roadway with a buried depth of 1336 m and the data that are achieved by various experimental methods, the multi-factor coupling analysis of the instability mechanism of soft-rock roadway… read more here.
Keywords: control; roadway; rock roadway; rock ... See more keywords
Mineralogical and thermal characterization of soft rock from Campinas, Brazil
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Thermal Analysis and Calorimetry"
DOI: 10.1007/s10973-018-7601-4
Abstract: In this study, the main purpose was the mineralogical and thermal characterization of clayey siltites sampled in a quarry located near Viracopos Airport, Campinas city, São Paulo State, Brazil. The sedimentary rocks are fissile and… read more here.
Keywords: mineralogical thermal; thermal characterization; characterization soft; characterization ... See more keywords
Visualizing the effect of excavation rate on rock deformation and fracturing of tunnels using a transparent soft rock surrogate
Sign Up to like & getrecommendations! Published in 2021 at "Acta Geotechnica"
DOI: 10.1007/s11440-021-01333-3
Abstract: One of the most important problems during tunneling in soft rock is deformation and fracturing of the rock during tunneling. The problem was successfully explored by using a transparent rock surrogate to simulate the behavior… read more here.
Keywords: deformation fracturing; rock deformation; using transparent; rock ... See more keywords
Application of a combined supporting technology with U-shaped steel support and anchor-grouting to surrounding soft rock reinforcement in roadway
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Central South University"
DOI: 10.1007/s11771-018-3821-9
Abstract: Soft rock surrounding deep roadway has poor stability and long-term rheological effect. More and larger deformation problems of surrounding rock occur due to adverse supporting measures for such roadways, which not only affects the engineering… read more here.
Keywords: supporting technology; combined supporting; roadway; deformation ... See more keywords
Experimental Investigation of the Deformation and Failure Behavior of a Tunnel Excavated in Mixed Strata Using Transparent Soft Rock
Sign Up to like & getrecommendations! Published in 2020 at "KSCE Journal of Civil Engineering"
DOI: 10.1007/s12205-020-0072-8
Abstract: To investigate the deformation and failure behavior of a tunnel excavated in mixed strata, transparent soft rock test and numerical simulations were performed. The distribution features of displacement and failure and the evolution laws were… read more here.
Keywords: mixed strata; transparent soft; deformation; failure ... See more keywords
Experimental Study on the Dilatancy and Fracturing Behavior of Soft Rock Under Unloading Conditions
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Civil Engineering"
DOI: 10.1007/s40999-016-0144-9
Abstract: To reveal the deformation mechanism during tunneling in deep soft ground, triaxial unloading confining pressure tests and triaxial unloading creep tests were carried out on sandy mudstone specimens to study the dilatancy and fracturing behavior… read more here.
Keywords: dilatancy; time; damage; creep ... See more keywords
Asperity degradation characteristics of soft rock-like fractures under shearing based on acoustic emission monitoring
Sign Up to like & getrecommendations! Published in 2020 at "Engineering Geology"
DOI: 10.1016/j.enggeo.2019.105392
Abstract: Abstract Shear failure of rock masses along pre-existing discontinuities is one of the predominant failure modes of rock slopes and underground tunnels. The monitoring and prediction of the impending shear failure is of great significance… read more here.
Keywords: degradation; asperity; shear stress; stress ... See more keywords
A cohesive damage-plasticity model for DEM and its application for numerical investigation of soft rock fracture properties
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Plasticity"
DOI: 10.1016/j.ijplas.2017.07.008
Abstract: Abstract The failure of soft rocks is highly concerned in both research and practice due to the vulnerability of materials and its involvement in a wide range of foundation and mine collapses. Different methods have… read more here.
Keywords: fracture; soft rocks; failure; plasticity ... See more keywords
Experimental Study on Resin Anchoring with Reaming Bottom and Filling in Soft Rock
Sign Up to like & getrecommendations! Published in 2023 at "ACS Omega"
DOI: 10.1021/acsomega.3c00095
Abstract: This paper deals with the problem of the slippage failure of bolts in supporting soft rock, and the anchoring system being pulled out when conventional anchoring methods are used for bolts. This situation seriously threatens… read more here.
Keywords: bottom filling; rock; reaming bottom; soft rock ... See more keywords
Hydromechanical Properties and Engineering Applications of Weakly Cemented Soft Rock in Jurassic Strata
Sign Up to like & getrecommendations! Published in 2023 at "ACS Omega"
DOI: 10.1021/acsomega.3c01150
Abstract: The surrounding rock control of weakly cemented soft rock in the Jurassic strata roadway in the Northwest Mining Area has become one of the bottlenecks restricting mines’ safety and efficient production. Based on the engineering… read more here.
Keywords: rock; water; soft rock; weakly cemented ... See more keywords
Coupled Seepage and Stress Model and Experiment Verification for Creep Behavior of Soft Rock
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Geomechanics"
DOI: 10.1061/(asce)gm.1943-5622.0001774
Abstract: The creep of soft rocks induced by seepage-stress coupling is one of the critical factors that causes the failure of the rock. However, the actual failure mechanisms of soft rocks, particularly during the accelerated creep… read more here.
Keywords: behavior soft; soft rocks; model; seepage ... See more keywords