Zobrazeno 1 - 10
of 67
pro vyhledávání: '"Zuliang Zhong"'
Stability of bedded rock slopes subjected to hydro-fluctuation and associated strength deterioration
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 8, Pp 3233-3257 (2024)
Reservoir-induced earthquakes (RIEs) occur frequently in the Three Gorges Reservoir Area (TGRA) and the rock mass strength of the hydro-fluctuation belt (HFB) deteriorates severely due to the reservoir-induced seismic loads. Three models of typical b
Externí odkaz:
https://doaj.org/article/cb151704da4846c18cb9a6a197ae74c0
Autor:
Xinrong Liu, Yang Zhuang, Xiaohan Zhou, Chao Li, BinBin Lin, Ninghui Liang, Zuliang Zhong, Zhiyun Deng
Publikováno v:
Underground Space, Vol 9, Iss , Pp 200-217 (2023)
Mountain road tunnels are prone to water leakage and lining corrosion under the complex geological conditions and corrosive environments, which will reduce the strength of the lining structure until it loses its load-bearing capacity; eventually, the
Externí odkaz:
https://doaj.org/article/deffae98fe6141d59c13777f7cf20c67
Publikováno v:
Frontiers in Ecology and Evolution, Vol 11 (2023)
The study conducted a pure rotation test of 720° for saturated remolded Q2 loess under principal stress axis (PSA) rotation when deviatoric stress and the intermediate principal stress ratio are different, also paying attention to examining the chan
Externí odkaz:
https://doaj.org/article/933b2f9669ac4c85a6912cf84721ca83
Publikováno v:
Applied Sciences, Vol 13, Iss 24, p 13235 (2023)
The mechanical properties of the surrounding rock of the Xigeda stratum are easily affected by water content. In order to obtain the support characteristics of Xigeda strata, the finite difference method was used to obtain the longitudinal deformatio
Externí odkaz:
https://doaj.org/article/be6a6eb610574c7b938327f9a7b70da2
Publikováno v:
International Journal of Concrete Structures and Materials, Vol 15, Iss 1, Pp 1-23 (2021)
Abstract To study the hybrid effects of polypropylene fiber and basalt fiber on the fracture toughness of concrete, 13 groups of notched concrete beam specimens with different fiber contents and mass ratios were prepared for the three-point bending t
Externí odkaz:
https://doaj.org/article/a63eb5821d12478c98dd0bc6cfb97aef
Publikováno v:
Applied Sciences, Vol 13, Iss 8, p 4730 (2023)
Previously conducted studies have established that the soil–rock mixture in the Chongqing area has the characteristics of loose structure, poor stability, strong permeability, and so on. When building a tunnel in a soil–rock mixture stratum, it i
Externí odkaz:
https://doaj.org/article/3f9b7ff97ce04d6abfc4a95d1360362d
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
To investigate the strength and deformation characteristics of Q2 remodeled loess, soil samples from the Lishi area in Shanxi Province were adopted to examine the effects arising from the principal stress axis direction angle α and the medium princi
Externí odkaz:
https://doaj.org/article/7f9bc46fb36444fb84f8bdafd4f0da23
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
To achieve versatility, a unified nonlinear strength (UNS) criterion is put forward for capturing the complicated strength behaviors exhibited by geomaterials under three dimensional (3D) stress paths. The UNS criterion, widely covering meridian plan
Externí odkaz:
https://doaj.org/article/c98c87a14f4049d19e0f804c27520595
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
It is commonly accepted that wetting–drying cycles have an effect on the soil strength behavior. Crack development in soil is observed by many engineers during wetting–drying cycles, which may give a good explanation for the change in soil streng
Externí odkaz:
https://doaj.org/article/44f9fc554ace45ceb6c90b9eac7b20fc
Publikováno v:
Geofluids, Vol 2022 (2022)
There occurred a lot of catastrophic landslides in Southwest China karst areas in recent years. This study numerically simulated the failure process of Pusa landslide by distinct element method (UDEC). The Voronoi diagram algorithm was used to discre
Externí odkaz:
https://doaj.org/article/a84e16cd080140fe99f8316f1edbf705