Results 11 to 20 of about 255,885 (342)

Evaluation of many load tests of passive rock bolts in the Czech Republic [PDF]

, 2017
Within the research project "FR-TI4/329 Research and development - creating an application system for the design and analysis of soil and rock anchors including the development of monitoring elements", an extensive stage of field load tests of rock bolts
Holý, Ondřej
core   +5 more sources

An adaptive prediction method for mechanical properties deterioration of sandstone under freeze–thaw cycles: a case study of Yungang Grottoes

Heritage Science, 2021
Due to the location of the Yungang Grottoes, freeze–thaw cycles contribute significantly to the degradation of the mechanical properties of the sandstone.
Chenchen Liu, Yibiao Liu, Weizhong Ren, Wenhui Xu, Simin Cai, Junxia Wang   +5 more
doaj   +1 more source

Investigation of the Mechanical and Permeability Evolution Effects of High-Temperature Granite Exposed to a Rapid Cooling Shock with Liquid Nitrogen

Geofluids, 2021
Liquid nitrogen (LN2), which can greatly improve the efficiency of hot dry rock (HDR) mining, is commonly used as a cooling material in the enhanced geothermal system (EGS).
Tianzuo Wang, Linxiang Wang, Fei Xue, Mengya Xue, Hangcheng Xie, Ningbo Tang   +5 more
doaj   +1 more source

Numerical modeling for a simulated rockburst experiment using LS-DYNA

Underground Space, 2021
Ground support systems are commonly used to mitigate the potential consequences of rockburst in burst prone mines. To assess the capacity of ground support systems when subjected to dynamic loading, simulated rockburst tests using blasting were conducted
C.P. Yi, E. Nordlund, P. Zhang, S. Warema, S. Shirzadegan   +4 more
doaj   +1 more source

Fracture Mechanics Characterization of an AnisotropicGeomaterial [PDF]

, 2012
Argillites are considered worldwide as potential host rock for high level radioactive waste given the low permeability and strong adsorption potential.
Barpi, Fabrizio, Cravero, Masantonio, Fidelibus, Corrado, Iabichino, Giorgio, Valente, Silvio   +4 more
core   +1 more source

Automatic identification method of bridge structure damage area based on digital image

Scientific Reports, 2023
It is of great scientific and practical value to use effective technical means to monitor and warn the structural damage of bridges in real time and for a long time.
Jinchao Wang, Houcheng Liu, Zengqiang Han, Yiteng Wang   +3 more
doaj   +1 more source

Representative sampling method for laboratory testing on shear strength of rock joints

Frontiers in Earth Science, 2022
The direct shear test is commonly used to determine the shear strength of rock joints. The measured shear strength, however, varies greatly with specimen positions due to the heterogeneity of rock joints.
Changshuo Wang, Changshuo Wang, Rui Yong, Shigui Du, Zhanyou Luo, Chuxia Huang, Jun Ye   +6 more
doaj   +1 more source

Experimental studies on the shear resistance of original coal-shale joint [PDF]

, 2017
Purpose. Experimental study and theoretical modeling of the shear resistance of original coal-shale joint. Methods. A two-segment model was developed to describe the shear resistance-shear displacement curves obtained from the direct shear tests of ...
Dong, H, Guo, B, Wang, L
core   +2 more sources

Effects of elevated temperature on physical and mechanical properties of carbonate rocks in South-Southern Nigeria [PDF]

, 2018
Purpose. Limestone and marble are carbonate rocks with several structural and engineering applications. The physical and mechanical properties of the rocks are fundamental as they determine their suitability for various use.
Idris, M.A.
core   +1 more source

The use of speleothem damage and in situ fault displacement monitoring to characterise active tectonic structures: an example from Západní Cave, Czech Republic

Acta Carsologica, 2014
The EU-TecNet fault displacement monitoring network records three-dimensional displacements across specifically selected tectonic structures within the crystalline basement of central Europe.
Milos Briestensky, Josef Stemberk, Matt D. Rowberry   +2 more
doaj   +1 more source