GEOLOGY LAB : slake durability index of the given Rock samples.

Jun 28th, 2015
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Objective: To determine the resistance against the weathering effect. Scope: Through this test method we are able to determine slake durability index of a shale or other similar rock after two drying and wetting cycles with abrasion.

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Job#5To determine the slake durability index of the given Rock samples.Objective:To determine the resistance against the weathering effect.Scope:Through this test method we are able to determine slake durability index of a shale or other similar rock after two drying and wetting cycles with abrasion.Significance and Use:The test method is used to estimate qualitatively the durability of weak rocks in the service environment. This test method is used to assign quantitative durability values to weak rocks.Apparatus:Two drums and one motor, Rocks sample, Oven, Weighing apparatus, Slake durability apparatusRelated theory:Erosion:Erosion is the process by which the surface of the Earth gets worn down. Erosion can be caused by natural elements such as wind and glacial ice.Erosion is the process by which materials are removed from a region of the Earth's surface. It can occur by weathering and transport of solids (sediment, soil, rock and other particles) in the natural environment, and leads to the deposition of these materials elsewhere. It usually occurs due to transport by wind, water, or ice; by down-slope creep of soil and other material under the force of gravity; or by living organisms, such as burrowing animals, in the case of bio erosion.Weathering:Weathering in general refers to a group of processes by which surface rocks disintegrate into smaller particles or dissolve into water due to the impact of the atmosphere and hydrosphere. The weathering proce

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