Performance of Embankments Constructed Over Peat

Abstract

The performance of three sections of roadway, constructed upon a peat deposit, are compared to the predictions from engineering tests prior to construction. The use of sand drains appears to increase the stability of the fill but has little or no effect upon the rate of settlement. The loading settlement was predicted with reasonable accuracy from the consolidation tests. The long-term settlement rates could not be predicted from the engineering properties of the peat. The rate of the long-term settlement was reduced by the use of overloads.