A possible prediction method to determine the top concealed karst cave based on displacement monitoring during tunnel construction
Sign Up to like & getrecommendations! Published in 2017 at "Bulletin of Engineering Geology and the Environment"
DOI: 10.1007/s10064-017-1060-1
Abstract: The existence of concealed karst caves can cause major displacement and even large deformation of surrounding rock during karst tunnel excavation. As such, these concealed caves pose a large threat to the stability of surrounding… read more here.
Keywords: concealed karst; karst cave; surrounding rock; tunnel construction ... See more keywords
Three Zones and Support Technique for Large Section Incline Shaft Crossing Goaf
Sign Up to like & getrecommendations! Published in 2017 at "Geotechnical and Geological Engineering"
DOI: 10.1007/s10706-017-0217-9
Abstract: Aiming at the construction and control problems of fractured rock mass when large section inclined shaft through goaf in this paper, and with the new digging belt conveyer incline shaft at No. 6 mine of… read more here.
Keywords: shaft; incline shaft; surrounding rock; three zones ... See more keywords
Stress Analytical Solution for Shallow Buried Lined Circular Tunnel Under the Deformation of Surrounding Rock Inner Edge
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DOI: 10.1007/s10706-019-00867-4
Abstract: In this article, an analytical solution is presented for an elastic shallow buried lined tunnel, which consider a certain surrounding rock deformation at the inner boundary. Concrete lining and the surrounding rock was assumed as… read more here.
Keywords: shallow buried; surrounding rock; stress; solution ... See more keywords
General Formulas for Calculating Surrounding Rock Pressure of Tunnels and Underground Spaces
Sign Up to like & getrecommendations! Published in 2020 at "KSCE Journal of Civil Engineering"
DOI: 10.1007/s12205-020-0943-z
Abstract: Through the analysis of the statistical data from a large number of existing tunnels and underground space engineering projects, the limitations of the commonly used formulas for calculating the surrounding rock pressure of tunnels are… read more here.
Keywords: calculating surrounding; rock pressure; surrounding rock; formula ... See more keywords
Model test and stress distribution law of unsymmetrical loading tunnel in bedding rock mass
Sign Up to like & getrecommendations! Published in 2017 at "Arabian Journal of Geosciences"
DOI: 10.1007/s12517-017-2949-5
Abstract: The exit section of Duck River Tunnel owns characteristics of bedding geology and unsymmetrical loading terrain. A centrifugal model test concerning the destruction process of Duck River Tunnel is conducted. Test results are concluded as… read more here.
Keywords: tunnel; surrounding rock; rock mass; test ... See more keywords
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
Experimental study on damage failure mechanical characteristics and crack evolution of water-bearing surrounding rock
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DOI: 10.1007/s12665-017-7209-1
Abstract: Water plays an important role in the mechanical properties of roadway surrounding rocks and poses a great threat to their stability. To study the damage and failure characteristics, and the fracture development laws of surrounding… read more here.
Keywords: water; surrounding rock; water bearing; bearing surrounding ... See more keywords
The control effect of surrounding rock with different combinations of the bolt anchoring lengths and pre-tightening forces in underground engineering
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DOI: 10.1007/s12665-018-7682-1
Abstract: The anchoring length and the pre-tightening force are the two main factors influencing the control effect of surrounding rock in bolt support. To study the influences, a theoretical analysis is made on the stress distribution… read more here.
Keywords: effect surrounding; pre tightening; control effect; surrounding rock ... See more keywords
A physical model experiment for investigating into temperature redistribution in surrounding rock of permafrost tunnel
Sign Up to like & getrecommendations! Published in 2018 at "Cold Regions Science and Technology"
DOI: 10.1016/j.coldregions.2018.03.007
Abstract: Abstract The temperature distribution is one of the most important issues which should be considered in permafrost tunnel design. In order to investigate the influence of temperature disturbance caused by construction and boundary temperature on… read more here.
Keywords: temperature; tunnel; surrounding rock; model ... See more keywords
Analytical elasto-plastic solution of frost heaving force in cold region tunnels considering transversely isotropic frost heave of surrounding rock
Sign Up to like & getrecommendations! Published in 2019 at "Cold Regions Science and Technology"
DOI: 10.1016/j.coldregions.2019.04.008
Abstract: Abstract Numerous cold region tunnels have been constructed in recent decades. To prevent frost damage, problem of frost heaving force calculation is to be solved urgently. During the freezing process of cold region tunnels, temperature… read more here.
Keywords: surrounding rock; frost heave; frost heaving; frost ... See more keywords
Modelling jointed rock mass as a continuum with an embedded cohesive-frictional model
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DOI: 10.1016/j.enggeo.2017.07.011
Abstract: Abstract The mechanical and hydraulic properties of a jointed rock mass are strongly affected by the characteristics of joints within the intact rock mass. In this study, a constitutive model for jointed rock masses is… read more here.
Keywords: jointed rock; surrounding rock; model; rock mass ... See more keywords