UBC Theses and Dissertations
Characterisation and modelling of a uniformly graded, well-rounded coarse sand Rouse, Pascale C.
Strength parameters and intrinsic properties of sand are very important for engineering design. It is well known that such properties depend on factors including grain size distribution, fines content, mineralogy and grain shape. Recently, several authors have sought to establish a relation between the constant volume friction angle, as well as the maximum and minimum void ratios, and the roundness of the sand grains. Little information exists on well-rounded sands. A series of triaxial tests were performed on a uniformly graded, well-rounded coarse sand (R=0.81). Interpretation of the results confirms the available relations, and provides a link between the data on commonly found sands (0.2
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