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Blast Design Parameters: Rock Mass and Geometry Considerations

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Blast Design Parameters: Rock Mass and Geometry Considerations

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Questions and Answers

What factors are considered when optimizing a blast design?

Orebody depth and width

Rock hardness and color

Burden and spacing, explosive types, timing and sequencing (correct)

Drilling speed and efficiency

How does an optimized blast design impact excavation stability?

Increases stability by reducing orepass hang-ups

Increases stability by reducing mucking unit wear (correct)

Has no impact on stability

Decreases stability due to excessive fragmentation

What is the purpose of adjusting blast patterns in different stope geometries?

To increase drilling access

To reduce the need for explosive types

To enhance the color of the orebody

To determine the optimal design based on rock mass conditions (correct)

What is the role of accumulated knowledge in blast design optimization?

<p>It informs decisions based on past experiences in similar rock masses (B)</p> Signup and view all the answers

How does an optimized blast design impact mucking productivity?

<p>Reduces wear on loader units, leading to higher productivity (B)</p> Signup and view all the answers

Blast Design Parameters: Rock Mass and Geometry Considerations

Choose a study mode

Podcast

Questions and Answers

What factors are considered when optimizing a blast design?

How does an optimized blast design impact excavation stability?

What is the purpose of adjusting blast patterns in different stope geometries?

What is the role of accumulated knowledge in blast design optimization?

How does an optimized blast design impact mucking productivity?

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