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18CE723-Rock Mechanics-Question Bank
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18CE723-Rock Mechanics-Question Bank
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18CE723-Rock Mechanics-Question BankROCK MECHANICS – 18CE723
UNIT-1
1) Why do we need to study rock mechanics? What are its fields of applications?
2) Write short note on history of rock mechanics.
3) Which incidents are forced to start ISRM? Identify and list out some specific
applications of rock engineering areas.
4) Explain the salient features of Archean Groups, Cuddapah Rocks, and Vindhyan
Rocks.
5) What are the influences of geological factors on rock mass?
UNIT-2
1) Explain the index properties of Rock Systems.
2) What are the factors influencing rock behaviour?
3) Briefly explain Terzaghi’s rock mass classification.
4) Write a short note on Rock Mass Rating (RMR) System with 6 parameters.
5) Write short note on RQD and strength & failure strain classification.
UNIT-3
1) Describe the Wenner Configuration of Electrical Resistivity Method with a neat
sketch. What are the advantages and limitations of electric resistivity methods?
2) Explain the sampling and procedure to find compressive strength.
3) What are the purposes of field and laboratory tests? Discuss the procedure for slake
durability test with formula.
4) Explain the importance of Schmidt Hammer Test.
5) Briefly explain the procedure to find the void ratio of rocks.
6) Explain the role of Sound Velocity in Rock Mechanics with a schematic diagram
UNIT-4
1) Explain the modes of failure of slopes. How the slope can be stabilized?
2) How the plane failure occurs? Explain the favourable conditions of plane failure with
a neat sketch
3) Discuss the possible factors of slope failures. What are the objectives of slope stability
analysis?
4) Why a Geotechnical engineer should understand stability of slope in civil
constructions. Explain the classification of slope failure.
5) What are the artificial supports and how they are classified?
UNIT-5
1) Briefly explain the foundation types on rocks. Discuss the bearing capacity of
foundations.
2) Explain the structural defects in rock masses.
3) Explain the IS guidelines for choosing the basis of design method for rock foundation.
4) A dam is planned to build nearby town and the rock was found to be Schists and soft
argillaceous conglomerate separated by a distinct fault. Its crushing strength was less
Dr.G.V.Gaonkar, Assistant Professor, FET-JU Page 1
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