Geology of the Rokko Tunnel with reference to fracture pattern
The Rokko Tunnel built up in April 1967 is 2843m in length and combines Kobe with the Sanda basin in lesser distance. During its construction, geological survey with datailed mapping in scale of 1/100 was attempted and the results are summarized as follows:The wall of the tunnel consists of the quartz diorite, granite and rarely lithoidite.
Hiroshi Akimoto+2 more
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Geology and fracture system at Stripa. Technical information report No. 21 [PDF]
The Stripa test site has been excavated in granitic rock between 338 m and 360 m below the ground surface, and is located under the north limb of an ENE-plunging synclinal structure. The granitic rocks, in the areas mapped, are of Archean age and are dominated by a reddish, medium-grained, massive monzogranite that shows varying degrees of deformation.
Olkiewicz, A.+3 more
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Application of Freezing Method in the Geology Disaster Treatment of Fault Fracture Zone
Fault rupture zone inrush of water and mud is the most serious geological disaster of the tunnel and underground engineering. The disaster has a direct threat to the progress of engineering and the safety of builders. The Yonglian tunnel appears to multiple inrush of water and mud disaster in the process of construction Geological environment and ...
Qingsong Zhang+3 more
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Introduction: geology of fractured reservoirs
The characterization of fractured reservoirs and fractured geothermal resources requires a thorough understanding of the geological processes involved during fracturing and the rheological properties of the host rock. The presence or absence of mechanical layering within the rock and the mode of failure substantially control the organization and ...
Paul A. Gillespie+4 more
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Abstract The main characteristics of Jimsar shale oil reservoir are of complex structure, strong heterogeneity and great difficulty in fracturing. It is mainly produced by volume fracturing technology, which is easy to form complex fracture networks. At present, the design and parameter optimization of fracturing scheme are not targeted,
Yang Xiao+6 more
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Flow simulations in geology-based Discrete Fracture Networks [PDF]
International ...
Pichot, Géraldine+6 more
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Principles of North American pre-Cambrian geology; with appendix on flow and fracture of rock as related to structure [PDF]
n ...
Van Hise, C. R., Hoskins, L. M.
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A theory of fracture of materials and its application to geology
A theory of fracture of materials is developed which encompasses shear and tension failure. The probability of fracture occurring across a given surface element in an isotropic medium is assumed to be a general function of the limiting normal and tangential stresses across that element. A modification is later introduced to allow for anisotropy wherein
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Influence of discrete fracture network on the performance of enhanced geothermal system considering thermal-hydraulic-mechanical multi-physical field coupling. [PDF]
Jiang H+10 more
europepmc +1 more source
A novel approach for evaluating geology-engineering dual sweet spots in tight gas reservoirs in the LX block of China. [PDF]
Liu Y, Liu S, Lou Y, Yin B, Zhang Y.
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