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January 24, 2010 | History

Field measurements of blast induced damage in rock 1 edition

Field measurements of blast induced damage in rock
Georgios A. Yamin

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Field measurements of blast induced damage in rock.

Published 2005 .
Written in English.

About the Book

The need for better control of the adverse implications of blasting operations, especially blast-induced damage is of major importance. It determines the stability of excavations and has a major impact on for improving production efficiency, personnel and equipment safety and environmental concerns.A detailed experimental investigation was carried out to study blast-induced damage from small-scale blasts in a competent granodiorite rock formation. It employed small diameter boreholes (40mm) drilled to a depth of 6m. The blasts with 0.5--1.0 kg of explosive placed in the donor holes were surrounded by an array of monitor holes located at varying distances. A number of low-pressure pneumatic and high-pressure hydraulic sensors installed in receptor boreholes along with an acceleration station were used to monitor the time history of explosion pressure activity in the vicinity of the donor borehole. Interpretation of the magnitude and time history of the transmitted pressure yielded the extent of blast-induced damage. It was found that blast induced damage routinely propagated 16 blasthole diameters, and in some cases reached 29 blasthole diameters for short lengths of emulsion explosive in this rock type.

Edition Notes

Source: Masters Abstracts International, Volume: 44-02, page: 0982.

Thesis (M.A.Sc.)--University of Toronto, 2005.

Electronic version licensed for access by U. of T. users.

GERSTEIN MICROTEXT copy on microfiche (2 microfiches).

The Physical Object

Pagination
153 leaves.
Number of pages
153

ID Numbers

Open Library
OL19216465M
ISBN 10
0494071664

History Created December 11, 2009 · 2 revisions Download catalog record: RDF / JSON

January 24, 2010 Edited by WorkBot add more information to works
December 11, 2009 Created by WorkBot add works page