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Surface Mine Blast Burden & Spacing Calculator

Easily calculate and compute surface mine blast burden & spacing calculator with accurate equations, live formulas, and expert guidance.

Rotary/DTH drill bit diameter.

Bulk emulsion or ANFO density (ANFO ~ 0.82, Emulsion ~ 1.15-1.25).

Langefors rock resistance constant (typically 0.35 to 0.55 kg/m³).

Vertical highwall bench height.

Calculated Result
10.12 m

Maximum Burden (B)

Maximum Burden (B)

10.12 m

Maximum Burden Distance B_ M

10.12

Optimal Hole Spacing S_ M

11.64

Linear Explosive Charge Kg M

37.7

Specific Powder Factor Kg M3

0.32

10.12 — m

Calculation Breakdown

  1. Applied FormulaCalculates the optimal blasthole burden distance B, spacing S, linear explosive loading density, and powder factor for surface mine production bench blasting.B = 0.031 d \sqrt{\frac{\rho}{c}}, \quad q = \frac{Q_e}{B \cdot S \cdot H}

Blast Burden & Spacing Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.02.55.17.610Maximum Burden (B)

What Is the Surface Mine Blast Burden & Spacing Calculator?

This tool computes surface mine blast burden & spacing calculator with high precision arithmetic.

How Does the Surface Mine Blast Burden & Spacing Calculator Work?

Calculates the optimal blasthole burden distance B, spacing S, linear explosive loading density, and powder factor for surface mine production bench blasting.

Surface Mine Blast Burden & Spacing Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

B=0.031dρc,q=QeB⋅S⋅HB = 0.031 d \sqrt{\frac{\rho}{c}}, \quad q = \frac{Q_e}{B \cdot S \cdot H}

Calculates the optimal blasthole burden distance B, spacing S, linear explosive loading density, and powder factor for surface mine production bench blasting.

How to Use the Surface Mine Blast Burden & Spacing Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Surface Mine Blast Burden & Spacing Calculator Example

Input Values:

blastholeDiameterMm:200.0
explosiveDensityGPerCm3:1.20
rockBlastingRockFactorC:0.45
benchHeightM:12.0
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required m.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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