Crush and Run Calculator

Volume of Material (cubic meters):

Density of Material (kg/m³):

Compaction Factor (e.g., 1.2 for 20% compaction):

Cost per Kilogram ($):

Processing Cost per Kilogram ($):

function calculateCrushAndRun() { var materialVolume = parseFloat(document.getElementById("materialVolume").value); var materialDensity = parseFloat(document.getElementById("materialDensity").value); var compactionFactor = parseFloat(document.getElementById("compactionFactor").value); var costPerKg = parseFloat(document.getElementById("costPerKg").value); var processingCostPerKg = parseFloat(document.getElementById("processingCostPerKg").value); var resultDiv = document.getElementById("result"); resultDiv.innerHTML = ""; // Clear previous results if (isNaN(materialVolume) || isNaN(materialDensity) || isNaN(compactionFactor) || isNaN(costPerKg) || isNaN(processingCostPerKg)) { resultDiv.innerHTML = "Please enter valid numbers for all fields."; return; } if (materialVolume <= 0 || materialDensity <= 0 || compactionFactor <= 0 || costPerKg < 0 || processingCostPerKg 1, it means for the same initial volume, you get _more mass_ after processing/compaction, which is unusual. // It's more common that the factor relates to volume reduction or density increase. // Let's assume compaction factor is a multiplier on the initial mass to account for processing and handling. // For instance, if you start with 10 m³ of loose material, and the compaction factor is 1.2, // you might consider the 'effective' mass that incurs costs to be 1.2 times the initial mass. var compactedMass = looseMass * compactionFactor; // Calculate the cost of the material var materialCost = looseMass * costPerKg; // Calculate the cost of processing var processingCost = compactedMass * processingCostPerKg; // Calculate the total cost var totalCost = materialCost + processingCost; resultDiv.innerHTML = "

Calculation Results:

" + "Mass of Loose Material: " + looseMass.toFixed(2) + " kg" + "Effective Mass for Processing/Costing: " + compactedMass.toFixed(2) + " kg" + "Cost of Material: $" + materialCost.toFixed(2) + "" + "Cost of Processing: $" + processingCost.toFixed(2) + "" + "Total Estimated Cost: $" + totalCost.toFixed(2) + ""; } .calculator-wrapper { font-family: sans-serif; border: 1px solid #ccc; padding: 20px; border-radius: 8px; max-width: 500px; margin: 20px auto; background-color: #f9f9f9; } .calculator-inputs { display: grid; grid-template-columns: 1fr; gap: 15px; margin-bottom: 20px; } .input-group { display: flex; flex-direction: column; } .input-group label { margin-bottom: 5px; font-weight: bold; color: #333; } .input-group input[type="number"] { padding: 10px; border: 1px solid #ccc; border-radius: 4px; font-size: 16px; } .calculator-wrapper button { background-color: #4CAF50; color: white; padding: 12px 20px; border: none; border-radius: 4px; cursor: pointer; font-size: 16px; transition: background-color 0.3s ease; } .calculator-wrapper button:hover { background-color: #45a049; } #result { margin-top: 20px; padding: 15px; border: 1px dashed #ddd; border-radius: 4px; background-color: #fff; min-height: 50px; } #result h3 { margin-top: 0; color: #333; } #result p { margin-bottom: 8px; color: #555; } #result strong { color: #000; }

Understanding the Crush and Run Calculator

The "Crush and Run" process, commonly found in construction, recycling, and demolition industries, involves the mechanical breakdown of materials (like concrete, asphalt, or brick) into smaller, usable aggregate. This aggregate can then be reused as a base material for roads, foundations, or other construction projects, promoting sustainability and reducing landfill waste.

How the Calculator Works:

This calculator helps estimate the costs associated with processing a certain volume of raw material into crushed and run aggregate. It takes into account the initial volume, the density of the material, a factor for compaction, and the associated costs per kilogram.

Volume of Material (cubic meters): This is the initial, uncrushed volume of the material you intend to process. For example, if you have a pile of demolition debris, you would estimate its volume in cubic meters.
Density of Material (kg/m³): Different materials have different densities. Concrete is denser than asphalt, for instance. Knowing the approximate density is crucial for calculating the mass of the material. Typical values for crushed concrete can range from 1500 to 1800 kg/m³.
Compaction Factor: This factor accounts for how much the material's bulk density increases or how its volume might change when crushed and compacted. A factor of 1.0 means no change, while a factor greater than 1.0 (e.g., 1.2) suggests that the resulting processed material is denser or that for costing purposes, you should consider a higher effective mass. This can represent the volume reduction and increased density achieved through crushing.
Cost per Kilogram ($): This represents the base cost of acquiring or the value of the raw material per kilogram before processing.
Processing Cost per Kilogram ($): This is the cost associated with the crushing and screening operations per kilogram of material processed. This includes fuel, equipment wear, labor, and disposal of any non-usable fractions.

Example Calculation:

Let's say you have a pile of 10 cubic meters of old concrete. The approximate density of concrete is 1600 kg/m³. You estimate that after crushing and screening, the material will be denser, so you use a compaction factor of 1.2. The raw concrete has an acquisition cost of $0.15 per kg, and the cost to crush and screen it is $0.05 per kg.

Volume = 10 m³
Density = 1600 kg/m³
Compaction Factor = 1.2
Cost per Kg (raw) = $0.15
Processing Cost per Kg = $0.05

Calculation:

Mass of Loose Material = 10 m³ * 1600 kg/m³ = 16000 kg
Effective Mass for Processing = 16000 kg * 1.2 = 19200 kg
Cost of Material = 16000 kg * $0.15/kg = $2400.00
Cost of Processing = 19200 kg * $0.05/kg = $960.00
Total Estimated Cost = $2400.00 + $960.00 = $3360.00

This calculator provides an estimate, and actual costs can vary based on specific site conditions, material type, equipment efficiency, and market prices.