Servizi per la didattica
PORTALE DELLA DIDATTICA

Rock blasting and overbreak control

01TTYRW

A.A. 2022/23

Course Language

Inglese

Course degree

Doctorate Research in Ingegneria Civile E Ambientale - Torino

Course structure
Teaching Hours
Lezioni 15
Teachers
Teacher Status SSD h.Les h.Ex h.Lab h.Tut Years teaching
Cardu Marilena Professore Associato ING-IND/28 15 0 0 0 3
Teaching assistant
Espandi

Context
SSD CFU Activities Area context
*** N/A ***    
The course is specifically designed as a guide to engineers working with Drill & Blast applications, particularly in civil constructions. After a review of explosives and their characteristics, along with their selection criteria, initiations and timing effects, as well as blasting pattern are discussed. A step by step procedure is outlined to help the engineer review blasting submittals in a systematic fashion. Air blast and ground vibration are discussed along with methods for evaluation and control.
The course is specifically designed as a guide to engineers working with Drill & Blast applications, particularly in civil constructions. After a review of explosives and their characteristics, along with their selection criteria, initiations and timing effects, as well as blasting pattern are discussed. A step by step procedure is outlined to help the engineer review blasting submittals in a systematic fashion. Air blast and ground vibration are discussed along with methods for evaluation and control.
None
None
Determining the correct pattern to be used in different site conditions, for different types of rocks, geological features, presence of discontinuities in the medium. Prediction of vibrations and criteria for their reduction, fly-rock and air overpressure mitigation. Choice of the correct initiation sequence according to the goal (delays between blast-holes or between groups/rows of blast-holes). Controlled blasting (contour charges) to avoid unwanted effects (over-break, under-break, back-break) in order to respect the wanted geometry in different construction sites, both open cast and underground. Typical examples: critical issues and proposed solutions.
Determining the correct pattern to be used in different site conditions, for different types of rocks, geological features, presence of discontinuities in the medium. Prediction of vibrations and criteria for their reduction, fly-rock and air overpressure mitigation. Choice of the correct initiation sequence according to the goal (delays between blast-holes or between groups/rows of blast-holes). Controlled blasting (contour charges) to avoid unwanted effects (over-break, under-break, back-break) in order to respect the wanted geometry in different construction sites, both open cast and underground. Typical examples: critical issues and proposed solutions.
In presenza
On site
Presentazione orale
Oral presentation
P.D.2-2 - Giugno
P.D.2-2 - June
Il periodo di erogazione del corso potrÓ essere suscettibile di variazioni in funzione del numero di iscritti e di loro esigenze specifiche in termini di orario. Il semestre, tuttavia, resta il secondo.
The period for delivering the course may be subject to variations according to the number of students and their specific needs in terms of schedule. The semester, however, remains the second.


© Politecnico di Torino
Corso Duca degli Abruzzi, 24 - 10129 Torino, ITALY
Contatti