1. ABNT. 2007. Mortar and concrete—Test Method for Compressive Strength of Cylindrical Specimens. Brazilian Standard Association, Rio de Janeiro Brazil (in Portuguese): NBR 5739.
2. ABNT. 2016a. Determination of the Plasticity Limit. Brazilian Standard Association, Rio de Janeiro, Brazil (in Portuguese): NBR 7180.
3. ABNT. 2016b. Determination of the Liquid Limit. Brazilian Standard Association, Rio de Janeiro, Brazil (in Portuguese): NBR 6459
4. ABNT. 2016c. Soil-Compaction Testing. Brazilian Standard Association, Rio de Janeiro, Brazil (in Portuguese): NBR 7182
5. ABNT. 2017. Portland Cement and Other Powdered Materials: Determination of the Specific Mass. Brazilian Standard Association, Rio de Janeiro, Brazil (in Portuguese): NBR 16605.