Upload NowThe following article will guide you about how to determine the permeability of soil. Constant Head Permeability Test: Permeability of coarse-grained soils having high permeability is determined in the laboratory by the constant head permeability test. The principle of the test is to measure the volume of water flowing through a soil specimen in a […]
How to Determine the Permeability of Soil ?
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Mechanism of Consolidation: Terzaghi’s Soil-Spring Analogy | Soil Engineering
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The mechanism of consolidation was explained by Terzaghi with the help of a spring-dashpot model using soil-spring analogy. 1. Spring-Dashpot Model: Figure 11.1 shows a dashpot consisting of a cylinder containing a spring supporting a piston. The cylinder is completely filled with water and has an outlet valve to regulate the outflow. Let the initial […]
Effect of Stress History on Compression of Clays | Soil Engineering
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As the consolidation settlement depends on both the initial and final stress levels and because there is significant difference in consolidation settlement due to virgin compression and re-compression, stress history has a significant effect on compression of clays. Influence of Stress Cycle: The relation between soil compression and effective stress is not unique even for […]