Unit1
Unit 1
Application of rock mechanics in mining, Classification of rock mass, Parameters of rock mass classification, Importance of rock mass classification, RQD, Q-system and Bieniskiwi's Geomechanics, classification of rock mass.
Syllabus
5 unitsUnit2
Unit 2
Rock properties, Physico-mechanical properties of rock, Determination of Physico-Mechanical properties of rock as per ISRM standard testing procedures, Strength indices and their importance. Point load, Protodyaknov, Impact and Cone-Indenter strength Index.
Unit3
Unit 3
Rock as an elastic medium, Principle of elastic analysis, Rheological properties of rock, Importance of rheological models, Different types of rheological models, Dynamic properties of rocks.
Unit4
Unit 4
Principal stress and Principal plane, Analytical method of determining the magnitudes and directions of normal and shear stress on failure plane, Mohr's circle, Theories of failure of rock, Mohr's theory, Empirical theories of failure of rock, Different modes of failure of rock.
Unit5
Unit 5
Earth stresses, Importance of measurements of in situ stress, measurements of in situ stress by Flat jack, Over coring and Hydraulic fracturing technique. Design of circular and elliptical openings. Determination of safe span of roof.
Course Outcomes (COs)
After completion of the course student will be able to:
- CO1Understand the physical and mechanical properties of rocks relevant to mining engineering.
- CO2Analyse stress and strain behaviour of rock masses under various loading conditions.
- CO3Apply laboratory and field-testing methods to determine rock strength and deformation characteristics.
- CO4Design rock support systems such as bolting, shotcrete, and grouting for underground excavations.
- CO5Evaluate the stability of rock slopes, tunnels, and underground openings using rock mass classification systems.
- CO6Use numerical and empirical methods for modelling rock behaviour and predicting failure mechanisms.
Recommended books
- Rock Mechanics by Obert abd Duvall, Publisher: John Wiley & Sons Inc (1 December 1967)
- Rock Mechanics by Goodman, Publisher: Wiley India Pvt Ltd; Second edition (16 March 2010)
- Rock Mechanics by Jager & Cook, Publisher: Blackwell Pub; 4th edition (4 May 2007)
- Rock Mechanics by B.P. Verma, Publisher: Khanna Publishers
- Rock Mechanics (Sivakugan, Nagaratnam Shukla, Sanjay Kumar Das, Braja M.), Publisher: CRC Press DEPARTMENTAL ELECTIVE – 1
Official AKTU syllabus
This subject is on page 9, 10, 11 of the original AKTU PDF.