(c) Table Q3(c) presents samples 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): Information of samples for point load testParameterLocationSAMPLE ASAMPLE BUpper width (mm)Lower width (mm)Diameter (mm)Load (kN)Uphill side475556Bank upstream45604110.51.75 Table Q3(c)(ii): Bieniawski 1975 ClassificationNo.Parameters1) UCS > 200 MPa, very high strengthUCS 100 – 200 MPa, high strength2)UCS 50 – 100 MPa, medium strength3)UCS 25 – 50 MPa, low strength4)UCS <25 MPa, very low strength5)

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

Answered: c) Table Q3(c) presents samples…

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

Table Q3(c)(ii): Bieniawski 1975 Classification
No.
Parameters
1) UCS > 200 MPa, very high strength
UCS 100 – 200 MPa, high strength
2)
UCS 50 – 100 MPa, medium strength
3)
UCS 25 – 50 MPa, low strength
4)
UCS <25 MPa, very low strength
5)

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