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Rock Excavation Engg

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Rock Excavation Engineering Syllabus

Objectives
Course Objectives
• To make students aware about the concept of excavation engineering and its relevance to
mining
• To expose the students to various excavation techniques and their design aspects
Outcomes
• Students will acquire knowledge about excavation techniques and their selection

Course Contents

Introduction: Scope and importance of rock excavation engineering in mining and construction
industries; physico-mechanical and geotechnical properties of rocks vis-a-vis excavation method;
selection of excavation method.
Drilling : Mechanics of rock drilling; design and operating parameters of surface and
underground drilling; evaluation of drill performance; drill ability of rocks; mechanism of bit
wear; bit selection; problems of drilling; economics of drilling.
Blasting: Mechanics of rock fragmentation by explosives; advancement in explosives and
blasting technique; their selection criteria for rock excavation; blast design for surface
excavations and optimization;
Advanced blasting techniques; blast performance evaluation; cast blasting; techno-economic and
safety aspects of surface and underground blasting; advances in blast design for underground
excavations; control blasting; computer aided blast designs; review of tunnel blasting techniques,
recent advances and novel techniques of blasting
Rock Cutting: Theories of rock tool interaction for surface excavation machinery; design of
cutter
head - rippers, dozers, scrapers, BWE. Continuous surface miners, auger drills;
Theories of rock tool interaction for underground excavation machinery; design of cutter head -
ploughs, shearers, road headers, continuous miners and tunnel boring machines: selection
criteria for cutting tools; advanced rock cutting techniques - high pressure water jet assisted
cutting. Recent Developments in rock excavation machinery.

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