Results 21 to 30 of about 132,626 (258)
Advances in Civil Engineering, 2019 In order to investigate the influence of temperature, confining pressure, and preexisting fissure on creep characteristics of rock mass, multistage creep experiments were performed on shale-like material, with preexisting fissure under different ...
Yongyan Wang, Hongwei Wang, Xiao Shi
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Experimental Investigation on Permeability Evolution of Dolomite Caprock under Triaxial Compression
Energies, 2020 In order to study the influence of different confining pressures on the stability and airtightness of dolomite underground gas storage, a permeability test under hydrostatic confining pressure, conventional triaxial compression test and gas–solid ...
Deng Xu +7 more
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Experimental investigation of modified desulfurized gypsum-based concrete permeability performance [PDF]
Archives of Civil EngineeringTo comprehend the permeability behavior of modified desulfurized gypsum-based concrete under varying stress conditions, this investigation conducted permeability assessments under both confining pressure and unloading circumstances.
Yong Luo +5 more
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矿业科学学报, 2021 In order to analyze the strength characteristics, damage characteristics and energy dissipation laws of the bedding shale specimens under passive confining pressure, the Hopkinson Pressure Bar(SHPB)device was used to perform different impact pressures ...
Yang Guoliang +5 more
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Experimental investigation on shock mechanical properties of red sandstone under preloaded 3D static stresses [PDF]
, 2015 Triaxial impact mechanical performance experiment was performed to study the mechanical properties of red sandstone subjected to three-dimensional (3D) coupled static and dynamic loads, i.e., three confining pressures (0, 5, and 10 MPa) and three axial ...
Deke, Liu +4 more
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Mechanical Properties of Rock–Coal–Rock Composites at Different Inclined Coal Seam Thicknesses
Frontiers in Physics, 2022 A comprehensive understanding of the mechanical properties of coal and rock sections is necessary for interpreting the deformation and failure modes of such underground sections and for evaluating the potential dynamic hazards. However, most studies have
Bo Ma +6 more
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Shiyou jixieTo address challenges such as low operating efficiency and poor descaling effect in jet stimulation operation of deep/ultra-deep wells， the influence of downhole environmental pressure （confining pressure） on jet dynamic pressure has been studied at home
Zhou Shijie +5 more
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Petroleum Exploration and Development, 2013 Based on the explosive fracturing simulation experiment for low permeability reservoir, growths of the cracks produced by the explosive fracturing in the samples were analyzed.
Peng XU +4 more
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Advances in Materials Science and Engineering, 2021 The effects of confining pressure and pore pressure on the deformation and permeability characteristics of raw coal are studied experimentally. The deformation properties of raw coal by fracture and its permeability evolution laws under the coupling ...
Kangwu Feng, Kequan Wang, Yushun Yang
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RC column strengthening by lateral pre-tensioning of FRP [PDF]
, 2003 This paper presents a unique strengthening technique for existing concrete columns that use expansive materials to apply lateral pre-tensioning. The technique increases the capacity and ductility of a column as well as achieving better utilisation of the
Ahmad +13 more
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