Table Q3(c) presentssamples information for point load test. Based on the data:(i)Calculate the Unconfined Compression Strength for sample A and B.(ii) Classify the strength of sample A and B based on Bieniawaski 1975classification as given in Table Q3c(ii).(iii) As an engineer, define the reason of strength classification of sample A and B. Table Q3(c)(ii): Bieniawski 1975 ClassificationTable Q3(c): Information of samples for point load testNo.ParametersParameterSAMPLE ASAMPLE BUphill sideBank upstream1)UCS > 200 MPa, very high strengthLocationUpper width (mm)Lower width (mm)474555602)UCS 100 – 200 MPa, high strengthDiameter (mm)56413)UCS 50 – 100 MPa, medium strengthLoad (kN)10.51.754)UCS 25 – 50 MPa, low strength5)UCS <25 MPa, very low strength

Introduction : The greatest axial compressive stress that a right-cylindrical sample of material can…

Table Q3(c): Information of samples for point load test Parameter Location Upper width (mm) Lower width (mm) Diameter (mm) Load (kN) SAMPLE A SAMPLE B Bank upstream Uphill side 47 45 60 55 56 41 10.5 1.75

Table Q3(c): Information of samples for point load test Parameter Location Upper width (mm) Lower width (mm) Diameter (mm) Load (kN) SAMPLE A SAMPLE B Bank upstream Uphill side 47 45 60 55 56 41 10.5 1.75

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 9.3P

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Dimensional homogeneity

The term dimensional homogeneity means that in an equation, the dimensions of each term on both sides are equal, which means the dimensions of the left-hand side (LHS) of an equation are similar to the dimensions of the right-hand side (RHS). For a dimensionally homogeneous equation, the powers of fundamental dimensions will be identical on both sides of the equation.

Question

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Table Q3(c) presentssamples information for point load test. Based on the data:
(i)
Calculate the Unconfined Compression Strength for sample A and B.
(ii) Classify the strength of sample A and B based on Bieniawaski 1975
classification as given in Table Q3c(ii).
(iii) As an engineer, define the reason of strength classification of sample A and B.

Table Q3(c)(ii): Bieniawski 1975 Classification
Table Q3(c): Information of samples for point load test
No.
Parameters
Parameter
SAMPLE A
SAMPLE B
Uphill side
Bank upstream
1)
UCS > 200 MPa, very high strength
Location
Upper width (mm)
Lower width (mm)
47
45
55
60
2)
UCS 100 – 200 MPa, high strength
Diameter (mm)
56
41
3)
UCS 50 – 100 MPa, medium strength
Load (kN)
10.5
1.75
4)
UCS 25 – 50 MPa, low strength
5)
UCS <25 MPa, very low strength

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