Consolidation test results are provided below, (Hint: C, or C = Ae / log(of/ai') ):1.21.11-0.9Void ratio0.80.70.60.50.41101001000Vertical stress (kPa) (log scale)In some of the results an interval is provided. It ccan be possible to get a result between the given valuesUse the plot and find pre-consolidation pressure (past maximum vertical effective stress) pe' according to Casagrande's method. pe'= .kPaSeç.Find C,Seç.Find C.:Seç.If the tested soil sample is taken at a depth of 5m (ysat=18kN/m) where the groundwater table is located at the surface what is the OverConsolidation Ratio(OCR) (OCR= pclo vo)Seç.Initial height of the specimen is 22mm. What is the final height of the specimen when effective vertical stress is 650kPa? Hint: Use void ratio.Seç.(Result is in mm)What is the consolidation settlement of 2m thick clay layer if initial effective stress is 20kPa and final effective stress is 400kPa. Hint: Poc=Seç.[Ho/(1+einit)]x[C,log(p'/o'init) + Celog(oʻfin/p'l] (Result is in mm)

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Answered: Use the plot and find pre-consolidation…

Use the plot and find pre-consolidation pressure (past maximum vertical effective stress) pe according to Casagrande's method. pe= .Pa Find C Find Ce:

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

Consolidation test results are provided below, (Hint: C, or C = Ae / log(of/ai') ):
1.2
1.1
1-
0.9
Void ratio
0.8
0.7
0.6
0.5
0.4
1
10
100
1000
Vertical stress (kPa) (log scale)
In some of the results an interval is provided. It ccan be possible to get a result between the given values
Use the plot and find pre-consolidation pressure (past maximum vertical effective stress) pe' according to Casagrande's method. pe'= .kPa
Seç.
Find C,
Seç.
Find C.:
Seç.
If the tested soil sample is taken at a depth of 5m (ysat=18kN/m) where the groundwater table is located at the surface what is the Over
Consolidation Ratio(OCR) (OCR= pclo vo)
Seç.
Initial height of the specimen is 22mm. What is the final height of the specimen when effective vertical stress is 650kPa? Hint: Use void ratio.
Seç.
(Result is in mm)
What is the consolidation settlement of 2m thick clay layer if initial effective stress is 20kPa and final effective stress is 400kPa. Hint: Poc=
Seç.
[Ho/(1+einit)]x[C,log(p'/o'init) + Celog(oʻfin/p'l] (Result is in mm)

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