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Terminated in academic year 2020/2021

Driving of Underground Openings and Blasting Works

Type of study Bachelor
Language of instruction Czech
Code 224-0213/01
Abbreviation RPD&TP
Course title Driving of Underground Openings and Blasting Works
Credits 5
Coordinating department Department of Geotechnics and Underground Engineering
Course coordinator doc. Ing. Karel Vojtasík, CSc.

Subject syllabus

Lecture topics:
Basic parameters of underground works. IG assessment of mining conditions, classification systems.
Rock dismantling by blasting, blasting technology.
Theory of rock disintegration by explosion, ignition of charge, basic data on blasting work.
Cuts, blasting technology in underground works.
Cracking work during mining, harmful effects of explosion, methods of contour blasting.
Hand drilling and drilling wagons and kits for the mining of underground works.
Loading and unloading of the rock during excavation, excavating means during excavation.
Removing rocks at different excavation systems, removing rocks during excavation.
Reinforcing construction of underground works. Reinforcement steel, wooden, concrete, bolt and combined, grouting
Reinforcement technology (steel, wooden, concrete).
Organization of work on embossing and excavation, utilization of computer technology for designing and control of embossing.
Fundamentals of mining of spacious works of mining and underground construction.
Overview of Continuous excavation (TBM, Shields).

Practice topics:
Basic explosive characteristics of explosives.
Assessment of electrical ignition security
Pasport of blasting work for the liner underground work.
The technological process of stamping a small underground work (a blasting passport, designing the initiation, designing and assessing the frame reinforcement, machine drilling, loader loading and belt conveyance, reinforcement technology, operating times and work schedule)

Literature

R. R. Tatiya. Surface and Underground Excavations – Methods, Techniques and Equipment. A.A. BALKEMA PUBLISHERS LEIDEN. ISBN 90 5809 627 0 

Advised literature

Kolymbas, D., Tunnelling and Tunnel Mechanics: A Rational Approach to Tunnelling . Berlin: Springer, c2005, xv, 437 s. ISBN 35-402-5196-0.