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Holmberg-Persson Perimeter Blasting Rock Damage Calculator

Easily calculate and compute holmberg-persson perimeter blasting rock damage calculator with accurate equations, live formulas, and expert guidance.

Calculated Result
0.45 m

Critical Rock Blast Damage Radius (R_crit)

Critical Rock Blast Damage Radius (R_crit)

0.45 m

Critical Damage Radius Meters

0.45

Predicted Damage Thickness Mm

450

Linear Charge Concentration Kg M

0.45

Site Constant K

700

0.45 — m

Calculation Breakdown

  1. Applied FormulaCalculates the overbreak fracture damage zone radius (m) surrounding perimeter blast holes in tunnels and underground stopes to prevent crown collapses and rockfall hazards.\text{PPV} = k \cdot \left[ \frac{q}{r} \left( \arctan\left(\frac{x_1}{r}\right) - \arctan\left(\frac{x_2}{r}\right) \right) \right]^{\alpha}

Holmberg-Persson Damage Zone Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.00.30.50.81.0Critical Rock Blast Damage Radius (R_crit)

What Is the Holmberg-Persson Perimeter Blasting Rock Damage Calculator?

The Holmberg-Persson Perimeter Blasting Rock Damage Calculator computes results using established domain formulas, verified conversion factors, and user-entered parameters.

How Does the Holmberg-Persson Perimeter Blasting Rock Damage Calculator Work?

Calculates the overbreak fracture damage zone radius (m) surrounding perimeter blast holes in tunnels and underground stopes to prevent crown collapses and rockfall hazards.

Holmberg-Persson Perimeter Blasting Rock Damage Calculator Formula & Variables

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

PPV=k⋅[qr(arctan⁡(x1r)−arctan⁡(x2r))]α\text{PPV} = k \cdot \left[ \frac{q}{r} \left( \arctan\left(\frac{x_1}{r}\right) - \arctan\left(\frac{x_2}{r}\right) \right) \right]^{\alpha}

Calculates the overbreak fracture damage zone radius (m) surrounding perimeter blast holes in tunnels and underground stopes to prevent crown collapses and rockfall hazards.

How to Use the Holmberg-Persson Perimeter Blasting Rock Damage Calculator

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

Step-by-Step Example Calculation

Holmberg-Persson Perimeter Blasting Rock Damage Calculator Example

Input Values:

linearChargeConcentrationKgM:0.45
siteConstantK:700
attenuationExponentAlpha:0.7
criticalDamagePpvMmS:700
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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