a. How high will the water rise in the piezometer immediately after the application of the surface load of 3 ksf? b. What is the degree of consolidation from the 3 ksf at point A, when h=15 ft.? c. Find h when the degree of consolidation at A is 60%. P= 3ksf Sand W.T. Sand 15 ft 20 ft Clay 4 ft 10 ft A Rock
a. How high will the water rise in the piezometer immediately after the application of the surface load of 3 ksf? b. What is the degree of consolidation from the 3 ksf at point A, when h=15 ft.? c. Find h when the degree of consolidation at A is 60%. P= 3ksf Sand W.T. Sand 15 ft 20 ft Clay 4 ft 10 ft A Rock
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Geotechnical problem

Transcribed Image Text:**Problem 12:**
a. How high will the water rise in the piezometer immediately after the application of the surface load of 3 ksf?
b. What is the degree of consolidation from the 3 ksf at point A, when \( h = 15 \, \text{ft}? \)
c. Find \( h \) when the degree of consolidation at A is 60%.
**Diagram Explanation:**
- The diagram shows a cross-section composed of different soil layers above a rock base.
- At the top, there is a sand layer with a total height of 20 ft. The water table (W.T.) is located within this sand layer.
- Below the sand layer is a clay layer that is 10 ft thick.
- The very bottom is a rock layer.
- Point A is located 4 ft into the clay layer from the bottom.
- The surface is subjected to a pressure \( P = 3 \, \text{ksf} \).
- A piezometer is installed at the side, measuring the height (\( h \)) from a reference point to the observed water level.
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