Zobrazeno 1 - 10
of 5 225
pro vyhledávání: '"mode i"'
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 12, Pp 4971-4989 (2024)
Rock masses in high-elevation or cold regions are vulnerable to the combined effects of freeze-thaw (F-T) weathering and dynamic mixed-mode loading, posing a serious threaten to the safety and stability of geotechnical engineering. In this study, a s
Externí odkaz:
https://doaj.org/article/fbb30c6af95345279db01cf39efdf183
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 12, Pp 5050-5060 (2024)
Brittle fracture and its relationship to deformation and strength have been a fundamental area of research in rock mechanics. This paper presents an expanded pore-emanated cracking model to better understand the fracture behaviors and predict the com
Externí odkaz:
https://doaj.org/article/3823306df5394db5ac1641c0b389845c
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 7, Pp 2411-2428 (2024)
The fracture toughness of rocks is a critical fracturing parameter in geo-energy exploitation playing a significant role in fracture mechanics and hydraulic fracturing. The edge-notched disk bending (ENDB) specimens are employed to measure the entire
Externí odkaz:
https://doaj.org/article/65434f907a36495281b2207ea368ebdc
Autor:
Anantaya Timtong, Atthaphon Ariyarit, Wanwanut Boongsood, Prasert Aengchuan, Attasit Wiangkham
Publikováno v:
Results in Engineering, Vol 24, Iss , Pp 103289- (2024)
This research evaluates the use of artificial intelligence to enhance the accuracy of predictions for mixed-mode I/III fracture toughness in polymethyl methacrylate . Traditionally, assessing fracture toughness relies heavily on destructive testing m
Externí odkaz:
https://doaj.org/article/0038bd1ce7284d32bbe72e0806d53d99
Autor:
Eva Kormaníková, Kamila Kotrasova
Publikováno v:
Frattura ed Integrità Strutturale, Vol 19, Iss 71 (2024)
A quasi-static approach for an interface damage model, incorporating Rayleigh damping for viscoelastic carbon fiber reinforced polymer composites, is introduced. The interface traction-relative displacement behavior is modeled using a thin adhesive l
Externí odkaz:
https://doaj.org/article/fdbd620e4f4443e8a22f7ad5eb49e80d
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 6, Pp 2091-2110 (2024)
In the context of repositories for nuclear waste, understanding the behavior of gas migration through clayey rocks with inherent anisotropy is crucial for assessing the safety of geological disposal facilities. The primary mechanism for gas breakthro
Externí odkaz:
https://doaj.org/article/69ef081a602c4e86a7a569b46f1ff104
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract Understanding the fracture behavior of rock after coupled water and thermal environment is important for many geotechnical projects. This study examines the influence of coupled water and thermal treatments on the fracture toughness and char
Externí odkaz:
https://doaj.org/article/92221ff0322740c4b1054c8b31e36cd3
Publikováno v:
Frattura ed Integrità Strutturale, Vol 18, Iss 68, Pp 1-18 (2024)
This is the second part of a short three-paper series, aiming to revisit some classical concepts of Linear Elastic Fracture Mechanics. Being the intermediate step of the analysis between infinite domains (discussed in Part-I) and finite bodies (that
Externí odkaz:
https://doaj.org/article/230d02710ff94521b84210ecc2261022
Publikováno v:
Frattura ed Integrità Strutturale, Vol 18, Iss 68, Pp 197-208 (2024)
This paper discusses the application of machine learning techniques, notably artificial neural networks (ANN), in the fracture analysis of semi-infinite elastic plates with edge cracks. The Stress Intensity Factor (SIF) model for a semi-infinite plat
Externí odkaz:
https://doaj.org/article/f23d9a10ab5e423787342fe79343d6b9