Zobrazeno 1 - 10
of 940
pro vyhledávání: '"crack extension"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-15 (2024)
Abstract To investigate the effects of high temperature and carbon fiber-bar reinforcement on the dynamic mechanical properties of concrete materials, a muffle furnace was used to treat two kinds of specimens, plain and carbon fiber-bar reinforced co
Externí odkaz:
https://doaj.org/article/dbf1ad1e20054a98ab224d0760d36a18
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract Creep is the macroscopic manifestation of the process of generation, expansion, and penetration of microscopic cracks in a rock body. In this study, the GDEM continuous–discontinuous numerical simulation software was used to model a rock b
Externí odkaz:
https://doaj.org/article/84432b43f34e447eaa78946eec3240c7
Analysis of dynamic splitting tensile failure and energy evolution characteristics of Jinping marble
Publikováno v:
Shuiwen dizhi gongcheng dizhi, Vol 51, Iss 2, Pp 155-162 (2024)
Splitting tensile failure is one of the main forms of instability failure of tunnel surrounding rock. At present, the mechanisms of rock crack propagation and energy evolution at the corresponding stages under dynamic splitting conditions have been r
Externí odkaz:
https://doaj.org/article/43c59c32a9934f738b16f0ab9cf298d8
Publikováno v:
Heliyon, Vol 10, Iss 14, Pp e34137- (2024)
The melt pools, the most basic units of the components fabricated by the selective laser melting (SLM) technology, play an important role in the mechanical properties of the structures. A self-developed in-situ tensile observation platform was used t
Externí odkaz:
https://doaj.org/article/87ab0e58e3ab445b81d417af415687b5
Publikováno v:
Buildings, Vol 14, Iss 10, p 3221 (2024)
Corrosive environments can adversely affect the fatigue performance of bridges and other building structures. In order to determine the influence of corrosion on the fatigue failure of concrete composite girders with a corrugated web on a steel botto
Externí odkaz:
https://doaj.org/article/f9df168c7255445ab35f38765d782c77
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
The investigation of stress field and plastic zone distribution at the closed crack tip provides a fundamental basis for failure analysis and life prediction of geotechnical materials. Closed crack is a common crack in geotechnical materials. Studyin
Externí odkaz:
https://doaj.org/article/05c2c6c66866424d8bd80dddcc56a777
Publikováno v:
Meitan xuebao, Vol 48, Iss 11, Pp 4049-4064 (2023)
The injection of CO2 into deep unrecoverable coal seams is one of the effective ways to achieve CO2 geological sequestration, but CO2 will be in a supercritical state under the action of high pressure and high temperature. In order to investigate the
Externí odkaz:
https://doaj.org/article/cf041897713a4398ae964ef6eac43fbd
Autor:
Fei Yu, Guangzhe Deng
Publikováno v:
Applied Sciences, Vol 14, Iss 12, p 5122 (2024)
Under the background of the “dual carbon” target, exploring the pathway of efficient geological storage and high energy utilization of CO2 is a hot issue in CO2 emission reduction research. Under the coupling effect of high geopathic stress in de
Externí odkaz:
https://doaj.org/article/d9d1b1edcbc14055a24e2b0d1817cee3
Akademický článek
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Publikováno v:
Meikuang Anquan, Vol 53, Iss 10, Pp 132-140 (2022)
In order to study the gas drainage effect after hydraulic fracturing, PFC2D numerical simulation is combined with COMSOL numerical simulation, and a geometric model image pixel level processing method is proposed. This method imports the PFC2D fractu
Externí odkaz:
https://doaj.org/article/251ac2bc1005426a9a1e6a5f77446c40