1. AASHTO M 145 (2000) Classification of soil and soil-aggregate mixtures for highway construction purposes. American association state highway transportation office, USA
2. ABNT NBR 16697 (2019) Portland cement–requirements (in Portuguese). Associação Brasileira de normas técnicas, Rio de Janeiro
3. ABNT NBR 6484 (2020) Soil—standard test method for standard penetration test (SPT) (in Portuguese). Associação Brasileira de Normas Técnicas, Rio de Janeiro
4. ASTM D1195 (2021) Standard test method for repetitive static plate tests of soils and flexible pavement components for use in evaluation and design of airport and highway pavements. American society for testing and materials, USA
5. ASTM D2487 (2010) Standard practice for classification of soils for engineering purposes (unified soil classification system). American society for testing and materials, USA