Lu J, Li P, Qiao Y, Zhu J (2008) Experimental research on creep behavior and mechanism of sandstones with hydro-physico-chemical effects. Liu T, Lin T (2001) Soft rock engineering design theory and construction practice. Liu X, Fu Y, Wang Y (2009) Stability of reservoir bank slope under water-rock interaction. (2005) Characteristics of incompetent beds in Jurassic red clastic rocks in Wanzhou. He M, Jing H, Sun X (2002) Soft rock engineering mechanics. Huang S, Gong Y, Huang K, Tong H (2010) The influence of burial history on carbonate dissolution and precipitation-a case study from fei xian guan formation of triassic NE Si chuan and ordovician carbonate of northern tarimbasin. (2004) Creep behavior of bure clayey rock. Environmental Engineering & Management Journal 12(9):1785–1789 (2013) Experimental research on changes in the mechanical property law of reservoir bank sandstone under “immersion-air dry” circulation. Rock Soil Mech 11:3399–3403ĭeng H, Yuan X, Wang L, et al. (2011) Analysis of sampling in rock mechanics test and compressive strength prediction methods.
![creepr in the corner creepr in the corner](http://www.gadgetking.com/wp-content/uploads/2016/09/Scary-Peeper-Window-Creeper-590x590.jpeg)
Journal of Geophysical R esearch-Solid Earth 6:4171–4188ĭeng H, Li J, Deng C, et al. (2015) Mechanical instability induced by water weakening in laboratory fluid injection tests. Journal of Central South University (Science and Technology) 4:1092–1098ĭavid C, Dautriat J, Sarout J, et al. (2009) Analysis of water-rock interaction characteristics and bank slope failure process of red-bed. Dissertation, Kunming University of Science TechnologyĬhai B, Yin K, Jian W, et al. Journal of Geophysical R esearch -Solid Earth 7:5444–5463Ĭhen J (2006) Chemical water-rock interaction contribution to landslide preparation process. (2014) Mechanisms of time-dependent deformation in porous limestone. The findings of this research provide a good basis for long-term stability analysis of bank slope.īrantut N, Heap MJ, Baud P, et al. (5) The SEM results showed that the specimen microstructure changed its state from dense to loose and porous. (4) The shear failure characteristics of the specimens became highly considerable during the process of water-rock interaction, and there have been a gradual increment of shear rupture zone. However, the tertiary stage showed a gradual increment, since the plasticity of the specimens was strengthened by water-rock interaction. As the number of cycles increased, the percentage of secondary stage diminished gradually.
![creepr in the corner creepr in the corner](https://i.pinimg.com/originals/4a/6c/f0/4a6cf0ec869e37e80a06440a30761736.jpg)
(3) The creep curve includes three typical stages at failure stress level-primary (damped) stage, secondary (steady-state) stage, and tertiary (nonlinear accelerated) stage. (2) During the creep test, the lateral expansion of red-layer soft rock increased significantly regarding to the number of cycles. For the first three water-rock interaction circulations, the strength of red-layer soft rock degraded quickly and then gradually became stable. The following points were noticed based on the laboratory results: (1) the creep fracture strength and long-term strength of red-layer soft rock degraded significantly during the process of water-rock interaction.
![creepr in the corner creepr in the corner](https://www.blacksbricks.de/images/product_images/original_images/creeper10.jpg)
CREEPR IN THE CORNER SERIES
To meet the objective of this study, a series of creep tests were conducted on the rock specimens at different water-rock interaction stages. Therefore, a typical red-layer soft rock around Three Gorges reservoir area was selected to demonstrate the process of cyclic changes at the reservoir level and immersion-air-dry cyclic action of water-rock inside hydro-fluctuation belt. The bank slope composed of red-layer soft rock has exhibited distinct deformation and failure. Bank slope stability has become a great concern, while the impoundment of Three Gorges reservoir.