Impact of Surface Blasting on Underground Workings and Structures
Ajay Jha
Broschiertes Buch

Impact of Surface Blasting on Underground Workings and Structures

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Several underground mines are being worked at a depth of 30-150 m from operating surface mines. Under such conditions, ground vibration from surface blasting may be a potential threat to the stability of adjacent underground mines. The book deals with a new innovative concept of classifying the blast induced damage to underground workings and structures due to surface blasts as 'Severe', 'Moderate' and 'No damage' by measuring the blast induced vibration. Predictor equations have been discussed to estimate ground vibration accurately and reliably. The advantages of the site-specific scaling la...