1. AASHTO (American Association of State Highway and Transportation Officials)., 2020. LRFD Bridge Design Specifications, 9th Edition, Washington DC, p. 1912.
2. Shear-lag analysis of planar soil reinforcement in plane-strain compression;Abramento;J. Eng. Mech.,1993
3. Ko-OCR relationships in soil;Belloti;J. Geotech. Engrg., ASCE,1983
4. BSI, 2010. BS 8006-1: Code of practice for strengthened/reinforced soils and other fills. London, UK: BSI.
5. A simple Ko triaxial cell;Campanella;Can. Geotech. J.,1972