A soil sample having initial void ratio 0.75 and thickness 20 mm is subjected to consolidation test. Initially the dial gauge was set to zero. At the end of consolidation, the final dial gauge reading was observed to be 0.25 mm. The final void ratio of the sample is....

A soil sample having initial void ratio 0.75 and thickness 20 mm is subjected to consolidation test. Initially the dial gauge was set to zero. At the end of consolidation, the final dial gauge reading was observed to be 0.25 mm. The final void ratio of the sample is....

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter11: Compressibility Of Soil

Section: Chapter Questions

Problem 11.5P

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Concept explainers

Calculation of Settlement

The vertical displacement of the structural foundation due to the loading from the superstructure is known as settlement. It is due to the reduction of air voids present in the soil. The amount of vertical displacement depends on the bearing capacity of the soil on which the foundation is laid. The effect of the settlement depends on the magnitude of settlement, uniformity, and the structural design of the structure. The maximum allowable settlement for residential and office buildings should be less than 18 mm, for industrial buildings, it is 38 mm and for commercial buildings, it is 25 mm.

Question

A soil sample having initial void ratio 0.75
and thickness 20 mm is subjected to
consolidation test. Initially the dial gauge
was set to zero. At the end of consolidation,
the final dial gauge reading was observed
to be 0.25 mm. The final void ratio of the
sample is....

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