Zobrazeno 1 - 10
of 4 882
pro vyhledávání: '"triaxial compression"'
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 12, Pp 4815-4834 (2024)
The failure phenomenon of thin-layered rock tunnels not only exhibits asymmetric spatial characteristics, but also significant time-dependent characteristics under high in-situ stress, which is attributed to the time-dependent fracture of thin-layere
Externí odkaz:
https://doaj.org/article/72ecc5708da64e2aa2820635bd630243
Autor:
Yabin Wu, Dongjie Yang
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract Phyllite belongs to metamorphic soft rock and is often encountered during tunnel excavation, which brings inconvenience and safety problem to construction. The mechanical characteristics of phyllite are influenced by multiple factors. This s
Externí odkaz:
https://doaj.org/article/f15fe8af1b304a49a657f3d5c34def43
Publikováno v:
All Earth, Vol 36, Iss 1, Pp 1-20 (2024)
Understanding the dynamic mechanical properties and damage mechanisms of the surrounding rock during blasting and mining is crucial for preventing engineering accidents. In this study, triaxial and uniaxial impact compression experiments were conduct
Externí odkaz:
https://doaj.org/article/391c71a11c574224a73db2fdb636df25
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract Deep rock masses are typically in complex stress states, and research on the evolution of their strain energy density is of highly important for understanding their failure characteristics. In this work, a true triaxial stress‒balanced unl
Externí odkaz:
https://doaj.org/article/c84f0483314d4e27b0d2821da047ae3f
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 10, Iss 1, Pp 1-18 (2024)
Abstract Complicated geological conditions such as high geo-stress and high ground temperatures often have a significant impact on the mechanical behavior and failure potential of hard rocks in deep engineering. This study aims to investigate the mec
Externí odkaz:
https://doaj.org/article/8e1211a67bc64830862a4b36d96177aa
Publikováno v:
Vestnik MGSU, Vol 19, Iss 9, Pp 1530-1540 (2024)
Introduction. Determination of strength and deformation characteristics of soils composing the soil mass is the key process of calculation and design of structures of all types. High accuracy in determining mechanical characteristics plays a huge rol
Externí odkaz:
https://doaj.org/article/71881224ff624067a8e896b990518c18
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract Deep rock are often in a true triaxial stress state. Studying the impacts of varying unloading speeds on their strain energy (SE) density is highly significant for predicting rock stability. Through true triaxial unloading principal stress e
Externí odkaz:
https://doaj.org/article/b622f18380e14abca71677d546ab40d8
Publikováno v:
Meitan xuebao, Vol 49, Iss 6, Pp 2691-2710 (2024)
To explore the influence of confining pressure on the macro-meso mechanical characteristics of gas hydrate bearing coal (GHBC) under different boundary conditions, the biaxial discrete element tests were carried out subjected to the confining pressur
Externí odkaz:
https://doaj.org/article/d390e3c584344924b9956e91b949acee
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 5, Pp 125-134 (2024)
When studying the relationship between acoustic emission features and coal samples and fractures, both raw coal and briquette can be used as experimental samples. Most coal seams have soft materials, making it difficult to manufacture standard raw co
Externí odkaz:
https://doaj.org/article/e416f12e6f8f4790b7ab056cff47b346