Zobrazeno 1 - 10
of 211
pro vyhledávání: '"unloading rate"'
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:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 6, Pp 2064-2076 (2024)
Rockburst are often encountered in tunnel construction due to the complex geological conditions. To study the influence of unloading rate on rockburst, gneiss rockburst experiments were conducted under three groups of unloading rates. A high-speed ph
Externí odkaz:
https://doaj.org/article/b09c5a353000434b8319d899adc8f38a
Experimental study on the effect of unloading rate on monotonic and cyclic behavior of fissured clay
Autor:
Gao, Zhiao a, b, Kong, Lingwei a, b, ⁎, Li, Xinming c, Wang, Shuangjiao b, d, Deng, Jiacheng e
Publikováno v:
In Transportation Geotechnics January 2025 50
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
To explore the influence of the working face excavation rate on the rock deformation mechanism and seepage characteristics, deformation and seepage tests of sandstone under different loading and unloading stress paths, such as constant axial pressure
Externí odkaz:
https://doaj.org/article/5fffc92db822450db9a50cfdb262205a
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 11, Pp 71-83 (2023)
For the rock burst disaster problems caused by unloading disturbance of deep roadway excavation, the study on the deformation and fracture mechanism of roadway surrounding rock under different unloading conditions was carried out. Taking the coal-roc
Externí odkaz:
https://doaj.org/article/949ec9aea43f495fb1c272cb6bf77514
Autor:
Jian ZHANG, Liangliang GUO
Publikováno v:
Taiyuan Ligong Daxue xuebao, Vol 54, Iss 4, Pp 700-709 (2023)
Purposes This work is conducted to exclude the superimposed effect of natural rock specimen discreteness and multiple stress path conversion in test process on results, and to further investigate the influence mechanism of the confining pressure unlo
Externí odkaz:
https://doaj.org/article/ed522c85c2144740a8888667b27ad491
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 15, Iss 7, Pp 1768-1776 (2023)
In the process of engineering construction such as tunnels and slopes, rock mass is frequently subjected to multiple levels of loading and unloading, while previous research ignores the impact of unloading rate on the stability of rock mass. A number
Externí odkaz:
https://doaj.org/article/7f2ea24d135a46218efff71c4b4933fb
Publikováno v:
Alexandria Engineering Journal, Vol 75, Iss , Pp 209-219 (2023)
The unloading effect is an important factor for the failure of surrounding rock in deep underground engineering projects, especially under high-stress conditions. To investigate the deformation and failure characteristics of sandstone at different un
Externí odkaz:
https://doaj.org/article/bfb0b684d20a4824a4324ca53765ef66
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 14, Iss 6, Pp 1849-1871 (2022)
This work aims to investigate the mechanical behaviour of medium-grained sandstones under cyclic loading with different loading/unloading rates. This type of cyclic loading is called differential cyclic loading (DCL) and is considered for testing roc
Externí odkaz:
https://doaj.org/article/b7e22a0805354060aed5260e05a2c98b