Cross Section Calc is a structural design support app that not only calculates cross-section properties, but also helps determine optimal dimensions from required section performance.
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Key Features
Instantly Calculate Cross-Section Properties
Simply enter the dimensions to instantly calculate the following cross-section properties:
- Cross-sectional area
- Second moment of area (Moment of Inertia)
- Section modulus
- Neutral axis position
- Other section properties
Quickly check section performance during the early stages of structural design and strength evaluation.
Determine Dimensions from Required Section Performance
Cross Section Calc does more than standard cross-section property calculations.
By entering a required section modulus (Z) or required moment of inertia (I), the app can automatically suggest the minimum section dimensions needed to satisfy the required performance.
Examples of Reverse Calculation
- Find a rectangular section that satisfies a required section modulus of Z = 300 cm³
- Explore H-beam dimensions that satisfy a required moment of inertia (I)
- Search for efficient sections that meet performance requirements while minimizing member weight
- Quickly compare section sizes during the preliminary design stage
This feature helps streamline conceptual design and section selection work.
Supported Cross-Section Shapes
Cross Section Calc supports a wide variety of commonly used cross-section shapes.
Main Supported Sections
- Rectangular sections
- Circular sections
- Hollow circular sections
- I-sections
- H-sections
- T-sections
- L-sections
- Channel sections
- Trapezoidal sections
- Semi-circular sections
- Composite rectangular sections
- And many more
Representative section shapes are displayed with icons for intuitive selection.
Save and Share Calculation Results as Report Images
Calculation results can be saved as report-style images.
Cross-section shapes, input dimensions, and calculated properties are organized into an easy-to-read report format, making them useful for:
- Design notes
- Internal sharing
- Meetings and discussions
- On-site verification
- Study records
Recommended Use Cases
Preliminary Structural Design
Quickly study section dimensions that satisfy required section performance.
Steel Section Comparison
Compare multiple sections to explore more efficient designs.
Education and Learning
Useful as a learning tool for cross-section properties and structural mechanics.
Quick On-Site Checks
Instantly check section properties directly on your smartphone.
Glossary
What Is the Second Moment of Area (I)?
The second moment of area is a section property that represents a member’s resistance to bending.
It is used when evaluating beam deflection and deformation.
A larger value indicates a section that is more resistant to bending.
What Is Section Modulus (Z)?
Section modulus is a section property used to evaluate bending stress.
It indicates how much bending strength a section has against an applied bending moment.
What Is the Neutral Axis?
The neutral axis is the axis that forms the boundary between tensile stress and compressive stress during bending.
For complex cross-section shapes, checking the neutral axis position is important.
App Features
- Supports more than 27 cross-section shapes
- Supports Japanese, English, and other languages
- Includes save functionality
- Unit switching support (mm / cm / m / in / ft)
- Intuitive user interface
- Optimized for smartphones
- Lightweight and fast
Typical Workflow
- Select a cross-section shape.
- Enter the required dimensions.
- Cross-section properties are calculated instantly.
- Save the results if needed.
FAQ
Q. Is this app free to use?
Yes. The app is available for free.
Q. What cross-section properties can be calculated?
The app can calculate cross-sectional area, second moment of area, section modulus, neutral axis position, and other section properties.
Q. Can dimensions be determined from a required section modulus (Z)?
Yes. By entering a required section modulus, the app can calculate the minimum section dimensions needed to satisfy the requirement.
Q. Can dimensions be determined from a required moment of inertia (I)?
Yes. The app supports reverse calculation of section dimensions from required performance values.
Q. What types of cross-section shapes are supported?
The app supports many section shapes, including rectangular, circular, H-sections, I-sections, and T-sections.
Q. Does the app include a save function?
Yes. Calculated sections can be saved with custom names.
Disclaimer
The calculation results and information provided by this app have been created with great care. However, no guarantee is made regarding their accuracy, completeness, or suitability for any particular purpose.
We assume no responsibility for any damages or losses resulting from the use of this app or the results obtained from it.
If accurate or certified results are required, please consult a qualified professional.
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