PROCEDURES FOR BLASTING
PROCEDURES FOR BLASTING GEOTECHNICAL ENGINEERING MANUAL GEM-22 Revision #4 AUGUST 2015 EB 15-025 Page 1 of 17 GEOTECHNICAL ENGINEERING MANUAL: PROCEDURE FOR BLASTING GEM-22 Revision #4 STATE OF NEW YORK DEPARTMENT OF TRANSPORTATION GEOTECHNICAL ENGINEERING BUREAU AUGUST 2015 EB 15-025 Page 2 of 17 TABLE OF CONTENTS 1. A. Purpose ........................................ ........................................ ........................................ ....3 B. General.
waves. 6. Misfires Misfires happen when a loaded hole, portion of a loaded hole, or several loaded holes fail to detonate during a blast. Misfires can be caused by failure of the detonation system or by explosive column cutoffs. Sometimes it is apparent immediately after a blast that a misfire has occurred.
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