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Showing 1 to 8 of 8 for “"Clay shale"”.
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Effect of Heating Rate on Thermally Induced Pore Water Pressure and Crack Evolution in Clay and Shales
… thesis investigates the hydrothermal behavior of clay shale samples, with a specific emphasis on how heating rates influence temperature distribution and the evolution of pore pressure under elevated temperatures. Clay shales, characterized by their extensive geological presence and low hydraulic …
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The tertiary geology and systematic paleontology (phylum mollusca) of the Guajira Peninsula, Colombia, South America
… the Castilletes Formation (a limestone and clay shale sequence) represents the final regression of the sea during the late Middle Miocene to Late Miocene.</p> <p>In the Portete and Chiohibacoa basins. the newly defined Taroa Formation (sandy limestone and calcareous sandstone) is a record of …
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Meaning, measurement, and field application of fully softened shear strength of stiff clays and clay shales
… 7 effective normal stresses, for a wide range of clay compositions characterized in terms of plasticity index from 10% to 250%, based on consolidated triaxial compression tests on remolded, normally consolidated specimens of 15 stiff clay and clay shale compositions. The fully softened shear …
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The engineering geology and stability of the rapidly alternating limestone and mudrock sea cliffs of glamorgan
… enhance carbonate leaching, but to degrade the clay minerals and induce rehydration of the double layer. <br/>Uniaxial compressive strengths of representative mudrocks were determined for a range of moisture contents. Mean values varied between 5 and 64 MPa. An investigation into deformation …
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Investigating the Influence of Mechanical anisotropy on the Fracturing Behaviour of Brittle Clay Shales with Application to Deep Geological Repositories
Clay shales are currently being assessed as possible host rock formations for the deep geological disposal of radioactive waste. However, one main concern is that the favourable long-term isolation properties of the intact rock mass could be negatively affected by the formation of an excavation …
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Movement of landslides in stiff clays and clay shales
… data on undisturbed and remolded soft- to stiff- clays, reported in the literature, were analyzed. An empirical correlation for secant residual friction angle for a wide range of clay compositions with plasticity index in the range of 10 to 250%, was extended to 8 different effective normal …
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Industrial Wastewater Treatment Using Dolomite And Dolomitic Sorbents
… and 47.8% CO2. Impurities such as silica, chert, clay, shale, feldspar, etc, are usually associated with the dolomitic limestone.<br/><br/><br/><br/> <br/> Calcium<br/> Magnesium<br/> Carbonate<br/><br/> <br/> Figure 1.1: Dolomite structure <br/>The objectives of the research are as …
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Mechanical behaviour of Clay-Shales (Argille Scagliose) and implications on the design of tunnels
… Apparatus, SRTA). The samples of a stiff clay came from the Caneva-Stevenà quarry, near Pordenone (Italy), where swelling induced deformations and instabilities caused failure of the 30 cm thick unreinforced concrete lining of the adits. The decision to further investigate these phenomena …