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GGU-CONSOLIDATE: Test 5 - Consolidation (numerical) with real pore water pressure distribution and time-dependent loading function and boundary condition

Under the assumption that the intercalated sand layer can take on a pore water pressure u = 0, the system can be adjusted accordingly. Select the menu item "Edit/Boundary conditions" and set the number of boundary conditions to 1. Then enter the following values:

grafik-20241022-133702.png

This simulates a pore water pressure of "0" in the transition zone between the layers during consolidation.

Select the "System/Analyse" menu item. An evaluation of the analysis shows that the consolidation time until 80% settlement is achieved is now around 310 days. However, as this analysis also includes the tipping time of 100 days, the lying time after completion of tipping is reduced to 210 days.

The client asks if it cannot be done quicker. Of course it can, but only using vertical drains (see Test 6).

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