In a consolidation test, the load was changed from 50 kN/m² to 100 kN/m². The change in void ratio was observed as 0.05 from an initial value of 0.7. The coefficient of volume change of soil sample is x 10-4 m²/kN.

In a consolidation test, the load was changed from 50 kN/m² to 100 kN/m². The change in void ratio was observed as 0.05 from an initial value of 0.7. The coefficient of volume change of soil sample is x 10-4 m²/kN.

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 11.4P

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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

In a consolidation test, the load was changed from 50 kN/m² to 100 kN/m². The change
in void ratio was observed as 0.05 from an initial value of 0.7. The coefficient of volume
change of soil sample is
x 10-4 m²/kN.

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