Spacing : burden = 1.25
BDBLASTDESIGNPattern & delay studio
Surface bench blasting
Shape the blast.
See the outcome.
An interactive workspace for pattern geometry, initiation timing and first pass performance estimates.
BLASTDESIGN STUDIOEngineering concept report
Blast Pattern & Delay Design
Applied design · Metric units
Live plan view
Blast pattern
OverallRowDrag or select a hole
100%
Delay colours0 ms144 ms287 ms0 connections
Design data
- Pattern
- Staggered
- Layout
- 5 rows × 8 holes
- Total holes
- 40
- Burden × spacing
- 2 × 2.5 m
- Bench / subdrill
- 3 / 1 m
- Hole depth / stemming
- 4 / 2.5 m
- Charging length
- 0.5 m
- Hole diameter
- 105 mm
- Charge per hole
- 2.8 kg
- Maximum charge per delay
- 0 kg
- Hole / row delay
- 17 / 42 ms
- Maximum firing time
- 0 ms
- Powder factor
- 0.081 kg/t
- Total explosive
- 111 kg
- Rock mass
- 1,380 t
- PPV / criterion
- 0 / 10 mm/s
- Design status
- Within model limit
Advisory: A competent statutory mine manager or blaster must verify the design, site constants, initiation-system limits, geology and current regulatory requirements before field use.
↔ B 2 m ↕ S 2.5 m⌀ 105 mm
Hole depth less stemming
0 duplicate delay group(s)
0% of entered criterion