Civil Engineering (CE) Exam > Civil Engineering (CE) Videos > Soil Mechanics > Groundwater, Seepage & Permeability
Groundwater, Seepage & Permeability Video Lecture | Soil Mechanics - Civil Engineering (CE)
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30 videos|76 docs|74 tests
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FAQs on Groundwater, Seepage & Permeability Video Lecture - Soil Mechanics - Civil Engineering (CE)
| 1. What is groundwater and why is it important in civil engineering? |  |
Ans. Groundwater refers to the water that is present beneath the Earth's surface in the soil and rocks. It plays a crucial role in civil engineering as it is a major source of water for various purposes such as drinking, irrigation, and industrial use. Groundwater also affects the stability of structures and can influence the seepage and permeability of soils.
| 2. How does seepage occur in civil engineering projects? | |
Ans. Seepage occurs in civil engineering projects when water flows through the soil or rock mass due to the presence of a hydraulic gradient. This can happen through the pores or fractures in the soil or rock. Seepage can cause stability issues, erosion, and affect the performance of structures such as dams, retaining walls, and foundations.
| 3. What is permeability and why is it important in civil engineering? | |
Ans. Permeability refers to the ability of a material, such as soil or rock, to allow the flow of fluids through it. It is an important property in civil engineering as it determines the rate at which water can flow through the soil or rock mass. Permeability affects the design and performance of drainage systems, groundwater control measures, and underground structures.
| 4. How is permeability determined in civil engineering? | |
Ans. Permeability can be determined in civil engineering through laboratory tests such as the constant head or falling head permeability tests. These tests involve measuring the flow of water through a soil or rock sample under controlled conditions. Permeability can also be estimated using empirical correlations based on the soil's grain size distribution or through field tests such as pumping tests.
| 5. What are the factors that affect groundwater flow and permeability in civil engineering? | |
Ans. Several factors influence groundwater flow and permeability in civil engineering. These include the grain size and arrangement of soil particles, the presence of fractures or voids in rocks, the hydraulic gradient or pressure difference, the viscosity of the fluid, and the presence of contaminants or dissolved solids in the water. These factors determine the ease at which water can flow through the subsurface and affect the overall behavior of civil engineering projects.
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Nov 14, 2024 Last updated |
Video Description: Groundwater, Seepage & Permeability for Civil Engineering (CE) 2024 is part of Soil Mechanics preparation.
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