TY - CONF T1 - Investigation of the shear strength of unsaturated sand using a modified direct shear apparatus JO - Geotechnical Engineering for Infrastructure and Development - Proceedings of the XVI European Conference on Soil Mechanics and Geotechnical Engineering, ECSMGE 2015 PY - 2015/01/01 AU - Shwan BJ AU - Smith CC ED - SN - 9780727760678 VL - 6 SP - 3353 EP - 3357 Y2 - 2024/12/25 ER -