Quick Start Guide Concrete Calibration

Disclaimer:  The user is required to observe and adhere to the currently applicable instruction manuals for all Vemaventuri products utilized.

 

01 Preparation

 

What you need:

• Time: Minimum 28 days (or until design strength is reached)
• Concrete: Same mix used on site
• Samples: 5–15 cubes/cylinders (e.g., 150×150×150 mm cubes)
• Temperature monitoring solution: e.g. TEMO from Vemaventuri

 

Step 1: Cast your sample cubes/cylinders

• Use your site mix to cast 5–15 cubes/cylinders
• Follow local standards (e.g., ASTM C1074, DIN EN 12390-2)
• Label samples with casting dates
• Place a sensor in the center of at least one cube or cylinder. Use the last sample to be crushed for sensor placement.

 

Note: More samples = better average and lower variance

Step 2: Cure your samples

• Store samples according to local curing standards

• Example: 20°C water bath (DIN EN 12390-2)

02 WebApp

 

Step 3: Create a new calibration 

• Open the web app and expand the side menu in the top-left corner.

• Navigate to Concrete → Concrete Calibration.

• In this section, you can:

  • view all existing calibrations

  • select and edit calibrations

  • export calibrations

  • create new calibrations

• Click “Create New Concrete Calibration” to set up a new calibration.

 

Step 4: Enter Basic & Concrete Information

• You can freely choose the Custom Concrete ID to uniquely identify your mix.
• Provide details such as the testing laboratory, compressive strength class, calibration type, description, and contact information.
• Enter the concrete-specific data, including the date when water was added, test body size, storage conditions, water and cement content, concrete type, and cement brand.
• Ensure all information is accurate before proceeding, as it forms the basis of the calibration.
  

 

Step 6: Select temperature channels 

• Select the date and time when the temperature measurement started
• Add temperature channel
  

 

Step 6: Pre-save the Calibration

• Before the first cube is crushed, click “Save” to store the calibration setup
• This allows you to return later and add crush test results as they become available
• Do not finalize the calibration yet—only pre-save it until the crush tests have been performed.

03 Crushing

 

Step 8: Crush the Samples

• Crush samples in intervals
• Typical interval: 1, 2, 3, 7 and 28 days
• Record time of crushing and the compressive strength (MPa)

Step 9: Document in the Web App

• After each crush test, enter the sample’s date, time, strength (MPa), and sensor data into the web app
• Continue recording every test day until all cubes/cylinders have been crushed
  
• Once all data is complete, enter a Recipe name, Select a catalog and enter the final strenght after 28 days.
• Select “Calibrate” to generate the final maturity-strength curve.