This thesis aimed to understand how Tensar’s current design methods work, in relation to the calculation of working platforms. Thereafter, a full breakdown of each design method’s limitations was addressed, with this thesis focusing on the problem of stratification, in the T-value method. This limitation …

The use of TriAx geogrids to stabilise the granular base layer of asphalt paved roads, is ever increasing. However, the effect a stabilising geogrid has on the entire pavement structure is still derived from a foundation reduction factor, instead of being calculated directly. Practical experience showed …