Following are the results of a laboratory consolidation test on a soil sample: dry mass of soil = 128 gm, specific gravity = 2.75, and area of the sample = 30.68 cm2. Tabulate the value of void ratio of soil sample after each consolidation.

Following are the results of a laboratory consolidation test on a soil sample: dry mass of soil = 128 gm, specific gravity = 2.75, and area of the sample = 30.68 cm2. Tabulate the value of void ratio of soil sample after each consolidation.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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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

Following are the results of a laboratory consolidation test on a soil sample: dry mass of soil = 128 gm, specific gravity = 2.75, and area of the sample = 30.68 cm². Tabulate the value of void ratio of soil sample after each consolidation.

Effective pressure, ớ(kN/m²)
Final height of the specimen at the end of the
consolidation (cm)
2.540
2.488
50
100
2.465
200
400
2.431
2.389
2.324
800
1600
2.225
3200
2.115

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