Results 1 to 10 of about 5,095,342 (309)

Multiscale mapping and scaling analysis of the censored brittle structural framework within the crystalline bedrock of southern Finland [PDF]

open access: yesBulletin of the Geological Society of Finland, 2023
Fracture studies commonly lack data for the length range between 10 m to 1 km. For this reason, scaling laws are required to extrapolate fracture properties, for example in discrete fracture network models.
Nicklas Nordbäck   +6 more
doaj   +1 more source

Recommendations on the post-acute management of the osteoporotic fracture - Patients with “very-high” Re-fracture risk

open access: yesJournal of Orthopaedic Translation, 2022
Osteoporosis is a systemic skeletal disease where there is low bone mass and deterioration of bone microarchitecture, leading to an increased risk of a fragility fracture.
Ronald Man Yeung Wong   +16 more
doaj   +1 more source

Description of Fracture Network of Hydraulic Fracturing Vertical Wells in Unconventional Reservoirs

open access: yesFrontiers in Earth Science, 2021
Based on the distribution of complex fractures after volume fracturing in unconventional reservoirs, the fractal theory is used to describe the distribution of volume fracture network in unconventional reservoirs.
Jinghua Liu   +3 more
doaj   +1 more source

Lithology-Controlled Hydrodynamic Behaviour of a Fractured Sandstone–Claystone Body in a Radioactive Waste Repository Site, SW Hungary

open access: yesApplied Sciences, 2022
The fracture network modelling and hydrogeological assessment were performed in an 845 m deep borehole of the potential high-level waste repository formation and its caprock.
Emese Tóth   +3 more
doaj   +1 more source

Fractal Characterization of Multimodal, Multiscale Images of Shale Rock Fracture Networks

open access: yesEnergies, 2022
An array of multimodal and multiscale images of fractured shale rock samples and analogs was collected with the aim of improving the numerical representation of fracture networks.
Bolivia Vega, Anthony R. Kovscek
doaj   +1 more source

Seepage-Fractal Characteristics of Fractured Media Rock Materials Due to High-Velocity Non-Darcy Flow

open access: yesFractal and Fractional, 2022
Under the influence of internal and external factors, a fracture network is easily generated in concrete and rock, which seriously endangers project safety.
Xiaoming Zhao   +3 more
doaj   +1 more source

Investigation of the representative elementary volume of fractured rock mass using the homogeneity index

open access: yesShuiwen dizhi gongcheng dizhi, 2021
Representative elementary volume (REV) is a fundamental concept in rock mechanics and its existence is a prerequisite for estimating the equivalent parameters of rock mass and applying the continuum method to investigating the rock mass.
Xiaoming WANG, Yufang DU, Xuli LIANG
doaj   +1 more source

Topological Representative Element Volume of Fractured Rock Mass

open access: yesApplied Sciences, 2022
The representative element volume (REV) of the fractured rock mass is the basis for its homogenization, and is essential for the study of groundwater seepage.
Mingwei Li   +3 more
doaj   +1 more source

Experimental Investigation on the Crack Evolution of Marine Shale with Different Soaking Fluids

open access: yesFrontiers in Earth Science, 2021
Hydration induced cracks could promote the complexity of hydraulic fractures in marine shale gas reservoir. But the evolution process and forming mechanism has not been fully investigated.
Lei Wang   +6 more
doaj   +1 more source

Fracture network characterization of high-rank coal and its control mechanism on reservoir permeability

open access: yesFrontiers in Earth Science, 2022
Based on the results of previous research on the fracture systems of reservoirs of middle- and low-rank coal, we took high-rank coal in the southern Qinshui Basin as the study object in this paper and summarize the characteristics of both macro- and ...
Yanhao Liu   +4 more
doaj   +1 more source

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