MEASURED QUANTITY SENSITIVITY

Thickened edge concrete — edge band width scenarios.

How does changing edge band width affect thickened edge concrete when the other inputs stay fixed?

What this decision changes

This measured quantity or supplied dimension enters the method on its stated unit basis. Other inputs stay fixed so its effect can be separated from net deductions, stock constraints or purchase rounding. Method basis: The main slab covers the whole footprint. Only thickness beyond that slab is added over the perimeter band; all dimensions must come from an existing plan.

The focus is specified edge band width. All other shared inputs remain fixed for each evaluated range.

V = LWT + [LW − (L−2b)(W−2b)](Te−T)Thickened Edge Concrete Calculator

Evaluate your supplied alternatives

Start with your measured plan and selected product data. The initial values and range are illustrative. Each scenario changes only specified edge band width; the other entered values stay fixed.

Display units

Measured plan and product inputs

Outside length

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Outside width

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Main slab thickness

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Specified edge band width

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Specified total edge thickness

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Purchase allowance

Shortcuts only; choose your own allowance above.

Where to get this value

Enter your own allowance. Presets are input shortcuts, not a construction recommendation.

Supplied comparison range for specified edge band width

Lower supplied comparison value

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Upper supplied comparison value

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Nine evenly spaced values are evaluated. Whole counts are rounded to distinct integer scenarios. Values between the listed samples are not calculated.

9 evaluated scenarios

Baseline: Concrete order volume — 1.728 m³. Rejected combinations remain visible below.

Quantity to plot

Each bar is one actual calculated concrete order volume. Horizontal values: specified edge band width in m.

Specified edge band width	Concrete order volume	Change from baseline	Use this scenario
0.12 m	1.52448 m³	-0.20352 m³	Open in calculator Exact quantity breakdown Main slab 1.2 m³ Edge increment, corners counted once 0.32448 m³
0.145 m	1.58918 m³	-0.13882 m³	Open in calculator Exact quantity breakdown Main slab 1.2 m³ Edge increment, corners counted once 0.38918 m³
0.17 m	1.65288 m³	-0.07512 m³	Open in calculator Exact quantity breakdown Main slab 1.2 m³ Edge increment, corners counted once 0.45288 m³
0.195 m	1.71558 m³	-0.01242 m³	Open in calculator Exact quantity breakdown Main slab 1.2 m³ Edge increment, corners counted once 0.51558 m³
0.22 m	1.77728 m³	0.04928 m³	Open in calculator Exact quantity breakdown Main slab 1.2 m³ Edge increment, corners counted once 0.57728 m³
0.245 m	1.83798 m³	0.10998 m³	Open in calculator Exact quantity breakdown Main slab 1.2 m³ Edge increment, corners counted once 0.63798 m³
0.27 m	1.89768 m³	0.16968 m³	Open in calculator Exact quantity breakdown Main slab 1.2 m³ Edge increment, corners counted once 0.69768 m³
0.295 m	1.95638 m³	0.22838 m³	Open in calculator Exact quantity breakdown Main slab 1.2 m³ Edge increment, corners counted once 0.75638 m³
0.32 m	2.01408 m³	0.28608 m³	Open in calculator Exact quantity breakdown Main slab 1.2 m³ Edge increment, corners counted once 0.81408 m³

Read the evaluated results

Read calculated demand, whole purchases and exact detail lines separately. This specific input may change quantity continuously, cross a purchase step or make the stated geometry or stock fit invalid.

Replace every illustrative baseline measurement and selected product value with the inputs for your actual task.
Enter a comparison range on the focused input's stated unit and quantity basis.
Review rejected combinations and use the exact detail lines to distinguish measured demand from whole purchases.
Open an evaluated scenario in the full calculator to save its original inputs and quantity breakdown to a browser material project.

Keep the comparison within scope

Compare measurements or already specified alternatives. Quantity sensitivity does not establish material suitability or construction requirements.

The main slab covers the whole footprint. Only thickness beyond that slab is added over the perimeter band; all dimensions must come from an existing plan.

Dimensions, quantities, prices, timing and product properties are supplied by you. This tool does not select construction specifications or assess structural, electrical or hydraulic suitability.

Only the listed samples are evaluated. Intermediate values, alternate constraints and global cutting optimality are not inferred from the graph.

Continue with this quantity method

Thickened Edge Concrete Calculator

Other independent input decisions

Read the measurement and purchase guides

Why adding four edge strips can overcount slab corners

Quantity method and illustrative scenarios checked 6 October 2026. Methods and scope.