Zobrazeno 1 - 10
of 4 506
pro vyhledávání: '"Fracture process"'
Publikováno v:
Meitan xuebao, Vol 49, Iss 8, Pp 3399-3424 (2024)
In order to determine the influence of anisotropy induced by primary bedding structure on fracture toughness and fracture process zone (FPZ) incubation characteristics of anthracite, the notched semi-circular bending (NSCB) anthracite samples with di
Externí odkaz:
https://doaj.org/article/d5c8e5a593814275a9e8fa6aee8eea1c
Publikováno v:
Meitan xuebao, Vol 49, Iss 7, Pp 3102-3117 (2024)
The thermo-mechanical properties of deep reservoir rocks, especially the damage and failure characteristics under heating-cooling cycles, are of great importance to the stability analysis of well wall and the evaluation of geothermal extraction effic
Externí odkaz:
https://doaj.org/article/dad58b2d89cf490ca3d403da040a7391
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 4153-4164 (2024)
The steep Martian terrain features numerous notches and alcoves that could potentially be adapted as temporary shelters. By sealing their entrances and modifying the interior space, these alcoves can be transformed into habitable structures. Given th
Externí odkaz:
https://doaj.org/article/2e909c4a8e6b4b1ab7622a7215a7442b
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e03200- (2024)
Incorporation of steel fibers to improve the defects of manufactured sand concrete (MSC) has received a great deal of attention, while the fracture mechanism of the MSC by volume fraction of steel fibers (Vf) has been less studied. To investigate the
Externí odkaz:
https://doaj.org/article/8c6387e458bc45729ca4cf7a1fbdaccb
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 10, Iss 1, Pp 1-14 (2024)
Abstract A new CTOD calculation method is investigated in this study, considering the FPZ and the effective Young’s modulus. The calculated CTOD values from four theoretical models are compared with the measured CTOD values from the three-point bea
Externí odkaz:
https://doaj.org/article/c04c0a183de6415bb08c83aa9a86d7d4
Publikováno v:
Materials, Vol 17, Iss 15, p 3630 (2024)
Currently, microscopic research on the tensile fracture properties of recycled brick coarse aggregate concrete has mainly adopted microscopy techniques, which can clearly observe the actual damage situations of each phase material but are unable to i
Externí odkaz:
https://doaj.org/article/4e2dc5ef1b1144a094b2c5900cfec214
Publikováno v:
Journal of Hebei University of Science and Technology, Vol 44, Iss 4, Pp 393-402 (2023)
In order to solve the problem of accurate measurement of rock mode Ⅱ fracture toughness and improve the reliability of stability evaluation of engineering fractured rock mass, a detailed numerical study of short core compression (SCC) samples was c
Externí odkaz:
https://doaj.org/article/957159a9c1174fc584292d2ea46ef941
Publikováno v:
Heliyon, Vol 9, Iss 11, Pp e21512- (2023)
This study uses the Weibull analysis to predict the robustness of various mortars based on a fracture process analysis through a flexural test recorded by an acoustic emission sensor. Alkali-activated materials (AAMs) are an alternative to Portland c
Externí odkaz:
https://doaj.org/article/1768a79da382480f85fc9a833fa0fbf8
Publikováno v:
Earthquake Science, Vol 36, Iss 1, Pp 40-51 (2023)
Earthquakes result from continuous geodynamic processes. A topic of significant interest for the scientific community is to elaborate on the phenomena governing the faulting and fracturing of crustal rocks. Therefore, in this study, uniaxial compress
Externí odkaz:
https://doaj.org/article/3fc4ff5836e449eaa22c3f11c9c3f721
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 15, Iss 2, Pp 395-411 (2023)
Evaluating the fracture resistance of rocks is essential for predicting and preventing catastrophic failure of cracked structures in rock engineering. This investigation developed a brittle fracture model to predict tensile mode (mode I) failure load
Externí odkaz:
https://doaj.org/article/b840e741148a4edab6609d0adfa379ec