Answered: oedometer test on a normally…

oedometer test on a normally consolidated soil reveal the normal consolidation line (NCL) from the start of the test? Explain with reference to

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter9: Consolidation

Section: Chapter Questions

Problem 9.10P

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Concept explainers

Bars

In civil engineering, bars refer to steel reinforcement bars or rebars. These are structural members primarily used for reinforcement purposes in masonry works. A bar is characterized by its cross-sectional area, which is negligible compared to its length. Bars are usually manufactured by steel which is uniform throughout the length, or by meshing multiple steel wires. Other materials of the bar include carbon steel, glass fiber, carbon fiber, and basalt fiber. The reinforcing bars are coated with epoxy resins and other materials to enhance some of their properties including corrosion resistance.

Question

Would the e − log ?′ plot from an oedometer test on a normally consolidated soil reveal
the normal consolidation line (NCL) from the start of the test? Explain with reference to
the curve you expect to be produced. How would you determine that the soil is normally
consolidated?

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Would the e − log ?′ plot from an oedometer test on a normally consolidated soil reveal the normal consolidation line (NCL) from the start of the test? Explain with reference to the curve you expect to be produced. How would you determine that the soil is normally consolidated?
Q#2: (a). What is consolidation? Explain the concept of NCR and OCR with examples in your own words. (b). The results of a consolidation test on an undisturbed soil sampled at a depth of 10m below the Ground level are as follows: ϒsat = 16KN/m3, Pre consolidation pressure =90 KPA, ϒw = 10KN/m3. Calculate the over consolidation of soil and Type of consolidation soil.
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