Analysis of Symmetric Concrete Dam With and Without Sheet Pile

This analysis focuses on a symmetric concrete dam with and without a sheet pile, examining factors such as total pore water pressure, excess pore pressure, seepage velocities, and flow rates. By comparing scenarios with and without a sheet pile, insights into flow rate reductions and discharge variations are explored.

• Concrete dam
• Sheet pile
• Seepage analysis
• Pore pressure
• Flow rate

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Uploaded on Oct 10, 2024 | 0 Views

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1. SYMMETRIC CONCRETE DAM WITHOUT WITH A SHEET PILE 2D LAG NB Dam is not included in the analysis only used for visualization STEADY STATE ANALYSIS UPSTREAM 12.0m DATUM DOWNSTREAM 0.0m (water level) WO SHEET PILE WITH SHEET PILE UNITS m:kg:s:Pa:N:K

2. UNITS m:kg:s:Pa:N:K GEOMETRY DOWN STREAM 0.0m UP STREAM 12.0m UNITS m:kg:s:Pa:N:K Model width 1m

3. FIXED Z FIXED XYZ BOUNDARY CONDITIONS UPSTREAM DOWNSTREAM

4. Nodes & Elements

6. TOTAL PWP HEAD (m) PORE PRESSURE(Pa) EXCESS PORE PRESSURE (Pa) WITHOUT SHEET PILE WITH SHEET PILE

7. WITHOUT SHEET PILE WITH SHEET PILE SEEPAGE VELOCITIES (m/s)

8. WITHOUT SHEET PILE WITH SHEET PILE RATIO WITH/WITHOUT SHEET PILE 1.853e-03/2.110e-03 = 0.88 (12% decrease in flow rate) DISCHARGE SECTION V= 2.059e-05 m/s A = 90.0 X 1 = 90.0m^2 Q = V X A = 2.059e-05 X 90.0 = 1.853e-03 m^3/s per m width of dam (160.1 m^3/day per m width of dam) DISCHARGE SECTION V= 2.345e-05 m/s A = 90.0 X 1 = 90.0m^2 Q = V X A = 2.345e-05 X 90.0 = 2.11e-03 m^3/s per m width of dam (182.3 m^3/day per m width of dam)