Drilling and Blasting detailed syllabus for Mining Engineering (MN), 2nd Year 2nd Sem R18 regulation has been taken from the JNTUH official website and presented for the B.Tech students affiliated to JNTUH course structure. For Course Code, Subject Names, Theory Lectures, Tutorial, Practical/Drawing, Credits, and other information do visit full semester subjects post given below. We make sure the result links and syllabus uploaded here is latest and up to date, also the syllabus PDF files can also be downloaded from the universities official website.
For Mining Engineering (MN) 2nd Year 2nd Sem R18 Regulation Scheme, do visit MN 2nd Year 2nd Sem R18 Scheme. The detailed syllabus for drilling and blasting is as follows.
Drilling and Blasting Subject Syllabus for MN 2nd Year 2nd Sem R18 Regulation
Pre Requisites:
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Course Objectives:
To familiarize the students with exploratory and production drilling including the factors affecting drilling; Various types of the explosives and blasting techniques used in underground and opencast mining are also explained besides blasting in civil constructions projects.
Course Outcomes:
Drilling and blasting is primary operation in any mining organization, student understands various methods of drilling, design and selection of drilling methods. Knowledge about explosives and blasting techniques, makes student confident in design of blasting operations in the field.
UNIT – I
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UNIT – II
Production Drilling: Various methods and mechanics of drilling -percussive, rotary and rotary percussive.Jack hammer drilling, Top hammer and Down the Hole (DTH) hammer and rotary drills. Drillability: Drilabilty studies, Factors affecting drilling- operational parameters (like air pressure, thrust, r.p.m., flushing, bit type and bit geometry etc.) and physico-mechanical properties (like strength properties, hardness, abrasivity etc.) design and selection of drills and drill bits; bit wear and reconditioning of drill bits; drilling economics.
UNIT – III
Explosives: Classification and properties of explosives, Types of explosives – Permitted type and their importance, slurry explosives, SMS and PMS, ANFO, LOX, boosters, blasting agents. Mechanics of blasting, alternatives to explosives.
Accessories and Tools: Accessories- different types of detonators, safety fuses, detonating cords, relays, NONEL, exploders, sequential blasting machines and other shot firing tools, testing of explosives, storage, transportation and handling and destruction of explosives and accessories.
UNIT – IV
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UNIT – V
Open Pit Blasting: Blasting in opencast mines, blast design, primary and secondary blasting; accidents due to blast in opencast mines and preventive measures; environmental impacts due to blasting- ground vibrations, fly rocks, dust, fumes, water pollution etc. Dimension stone blasting, controlled blasting, computer design of opencast blast; statutory requirements. Introduction to different blasting and fragmentation analysis softwares, blasting economics.
Blasting for Civil Constructions and Trenches: Blasting for road constructions, trench cutting in soft and hard rocks, demolition of buildings, underwater blastings etc. Introduction to blasting instruments like VOD probe, vibration etc. And high speed under cover etc.,
TEXT BOOKS:
- Roy Piush Pal, Blasting in ground excavations and mines, Oxf o rd and IBH, 1st ed 1993.
- C.P. Chugh, Drilling technology handbook, Oxford and IBH, 1sted, 1977.
REFERENCE BOOKS:
For the complete Syllabus, results, class timetable, and many other features kindly download the iStudy App
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For detailed syllabus of all the other subjects of B.Tech 2nd Year Mining Engineering (MN), visit Mining Engineering (MN) 2nd Year Syllabus Subjects.
For results of Mining Engineering (MN) 2nd Year 2nd Sem R18 Regulation, visit MN 2nd Year 2nd Sem R18 Regulation results direct link.