Results 21 to 30 of about 20,307 (290)
Energies, 2022 For an array of applications of the high voltage pulse discharge technology in reservoir stimulations and to gain a deeper understanding of the fractures mechanism of deep well rock under cyclic electrohydraulic shock waves (EHSWs), the effect of confining pressure and hydrostatic pressure on the fracturing of rock under EHSWs are investigated in this ...
Qing Yu +4 more
openaire +2 more sources
Experimental study on the permeability characteristics of laminated shale under cyclic loading
Rock and Soil Mechanics, 2022 It is of great significance for the safe construction of shale gas tunnels to deeply understand the evolution law of permeability of laminated shale with macro fractures under cyclic disturbance.
ZHANG Chuang +4 more
doaj +1 more source
On-sample water content measurement for a complete local monitoring in triaxial testing of unsaturated soils [PDF]
, 2012 To provide a complete local monitoring of the state of an unsaturated soil sample during triaxial testing, a local water content measurement device was adapted to a triaxial device comprising the measurement of local displacements (Hall effect ...
Cui, Yu-Jun +3 more
core +6 more sources
Yielding of rockfill in relative humidity-controlled triaxial experiments [PDF]
, 2016 The final publication is available at Springer via http://dx.doi.org/10.1007/s11440-016-0437-9The paper reports the results of suction controlled triaxial tests performed on compacted samples of two well graded granular materials in the range of coarse ...
Alonso Pérez de Agreda, Eduardo +2 more
core +2 more sources
Acoustic Emission Simulation on Coal Specimen Subjected to Cyclic Loading
Advances in Civil Engineering, 2020 The damage and failure state of the loaded coal and rock masses is indirectly reflected by its acoustic emission (AE) characteristics. Therefore, it is of great significance to study the AE evolution of loaded coal and rock masses for the evaluation of ...
Huiqiang Duan, Depeng Ma
doaj +1 more source
Effect of confining pressure on the degradation of ballast under cyclic loading
Géotechnique, 2005 Traditional railway foundations or substructures have become increasingly overloaded in recent years due to the introduction of faster and heavier trains. A lack of substructure re-engineering has resulted in maintenance cycles becoming more frequent and increasingly expensive.
Indraratna, Buddhima +2 more
openaire +3 more sources
Pore-Water Pressure Model for Carbonate Fault Materials Based on Cyclic Triaxial Tests
Frontiers in Earth Science, 2022 Pore-water pressure generation in the saturated carbonate fault zone plays a key role in the initiation of the Daguangbao landslide, which is the largest landslide triggered by the 2008 Wenchuan earthquake in China.
Ling Zhu +4 more
doaj +1 more source
MRI investigation of granular interface rheology using a new cylinder shear apparatus [PDF]
, 2009 The rheology of granular materials near an interface is investigated through proton magnetic resonance imaging. A new cylinder shear apparatus has been inserted in the MRI device, which allows the control of the radial confining pressure exerted by the ...
Alain Corfdir +66 more
core +5 more sources
Experimental studies on the shear resistance of original coal-shale joint [PDF]
, 2017 Purpose. Experimental study and theoretical modeling of the shear resistance of original coal-shale joint. Methods. A two-segment model was developed to describe the shear resistance-shear displacement curves obtained from the direct shear tests of ...
Dong, H, Guo, B, Wang, L
core +2 more sources
Permeability of the Hydrated Shale under Cyclic Loading and Unloading Conditions
Geofluids, 2020 The hydrated shales under cyclic loading and unloading conditions are common for the shale reservoir development; corresponding mechanical properties and permeability evolution are very significant and should be deeply researched.
Liu Xianshan +3 more
doaj +1 more source