Get Aashto T308

Filling out the Aashto T308 form online can streamline the process of documenting asphalt content through the ignition method efficiently. This guide offers clear, step-by-step instructions to help you navigate the form, ensuring accurate data entry and compliance with industry standards.

Follow the steps to successfully complete the Aashto T308 form.

1. Click the ‘Get Form’ button to obtain the form and open it in your designated application.
2. Begin by entering the lab number and technician's name in the appropriate sections at the top of the form. This helps identify who conducted the tests.
3. Fill in the material type and the T400 number next to the relevant fields to specify the materials being tested.
4. Record the field sample number and the date for reference. Accurate records are vital for compliance and traceability.
5. Input the temperature data before the ignition test in Celsius. List the temperature adjacent to the data field.
6. For each prepared sample, document the weights in the specified fields (A, B, and C), making sure to perform the necessary calculations to derive the sample weight.
7. After the ignition, enter the weights for the basket and aggregate in fields (D) and (E), and calculate the aggregate weight (F) similarly.
8. Input the asphalt content obtained from the oven printout or through the alternative calculation in (G). Ensure accuracy by adhering to the provided guidance.
9. If the asphalt content difference exceeds 0.15 percent, repeat the tests as instructed and document the remaining results for determining the calibration factor.
10. Continue to fill out the calibration factor data according to the specified requirements, ensuring all necessary calculations are completed.
11. Complete the aggregate gradation calibration section, entering data for sieve sizes and recording any necessary differences as outlined.
12. Finally, review all entered data for accuracy, save your changes, and proceed to download, print, or share the completed form as needed.

Start filling out the Aashto T308 form online now for efficient testing documentation.