Rebound Hammer Calculations and Reporting
Rebound Hammer Workbook
Professional Reporting & Analysis System for Type N Schmidt Rebound Hammers
Take the guesswork and paperwork out of rebound hammer testing.
The Rebound Hammer Workbook is a professional Excel-based reporting and analysis system designed specifically for Type N Schmidt Rebound Hammers (also known as Swiss Hammers or Concrete Test Hammers). Built for concrete quality control professionals, inspectors, laboratories, engineers, contractors, and producers, this workbook transforms field rebound readings into organized, professional reports in just minutes.
Designed around the workflow of ASTM C805/C805M rebound hammer testing, the workbook automatically applies orientation corrections, calculates statistical summaries, estimates compressive strength using accepted correlation methods, and produces clean, professional documentation ready for project records.
Unlike manual calculations and handwritten reports, this workbook streamlines the entire testing process, helping you work faster while improving consistency, accuracy, and professionalism.
✔ No Macros Required
Built entirely with standard Microsoft Excel formulas and native functionality for maximum compatibility, security, and ease of use. No macros, add-ins, or special software required.
What This Workbook Does
✔ Professional Test Reports
Create clean, organized rebound hammer reports suitable for project documentation, quality control records, engineering files, and customer reports.
✔ Automatic Orientation Corrections
Simply select the hammer orientation (Up, Horizontal, Down, etc.), and the workbook automatically applies the proper correction values to every rebound reading.
✔ Estimated Compressive Strength
Automatically converts corrected rebound numbers into estimated compressive strength (MPa) using accepted rebound hammer correlation methods.
✔ Statistical Analysis
Instantly calculates:
- Average Rebound Number
- Average Corrected Rebound Number
- Estimated Compressive Strength
- Standard Deviation
- Coefficient of Variation
- Pass/Review Status Indicators
✔ Calibration Tracking
Track hammer serial numbers, calibration dates, due dates, and calibration status for complete documentation.
✔ Organized Project Records
Store important project information including:
- Project Name
- Structure
- Test Location
- Test Date
- Technician
- Hammer Serial Number
- Calibration Information
- Notes & Comments
✔ Professional Print Layouts
Generate polished reports suitable for:
- Quality Control Documentation
- Field Testing Reports
- Engineering Records
- Customer Deliverables
- Internal Project Files
Ideal For
- Concrete Quality Control Technicians
- Testing Laboratories
- DOT Inspectors
- Structural Engineers
- Consulting Engineers
- Concrete Contractors
- Municipal Inspectors
- Ready-Mix Producers
- Precast Producers
- Building Inspectors
Features
- Designed for Type N Schmidt Rebound Hammers
- Excel-based reporting and analysis system
- No macros required
- Automatic orientation corrections
- Automatic strength estimation
- Built-in statistical analysis
- Calibration management
- Professional printable reports
- Fast, simple data entry
- Clean, intuitive interface
- No subscriptions or recurring fees
Why You'll Love It
Manual rebound hammer testing can be time-consuming and prone to calculation errors. This workbook automates the repetitive work so you can focus on evaluating the concrete—not building spreadsheets.
Whether you're documenting a single test location or performing dozens of evaluations each week, you'll produce faster, cleaner, and more consistent reports with confidence.
Included
- Professional Rebound Hammer Workbook
- Automatic Orientation Corrections
- Estimated Strength Calculations
- Statistical Summary
- Calibration Tracking
- Professional Printable Report Layout
Compatibility
- Microsoft Excel 2019 or newer
- Microsoft 365 (Windows or Mac)
- No macros required
- No add-ins required
- Works entirely with built-in Excel formulas and native functionality
Important Note
This workbook is intended for use with Type N Schmidt Rebound Hammers and is designed around the workflow of ASTM C805/C805M rebound hammer testing. Estimated compressive strengths are correlation-based values and should be used as an aid in evaluation. They should not be relied upon as the sole basis for structural acceptance or rejection without appropriate engineering judgment or additional testing where required.
