What is the preconsolidation stress on September 1? Express your answer in kPa, but write only the numeric answer in the textbox

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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geotechnical engineering question

Use 10 kN/m³ for the unit weight of water.
Question 4
A project with multiple construction stages will take place at your site (below which lies a saturated
clay layer).
On August 1, the effective stress at point A (in the middle of the clay layer) is 50 kPa, and the
overconsolidation ratio is 3.
On September 1, the effective stress at point A is 140 kPa.
On October 1, the effective stress at point A is 190 kPa.
What is the preconsolidation stress on September 1? Express your answer in kPa, but write only the
numeric answer in the textbox
Transcribed Image Text:Use 10 kN/m³ for the unit weight of water. Question 4 A project with multiple construction stages will take place at your site (below which lies a saturated clay layer). On August 1, the effective stress at point A (in the middle of the clay layer) is 50 kPa, and the overconsolidation ratio is 3. On September 1, the effective stress at point A is 140 kPa. On October 1, the effective stress at point A is 190 kPa. What is the preconsolidation stress on September 1? Express your answer in kPa, but write only the numeric answer in the textbox
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