Ground Movements Caused by Braced Excavations
- 1 September 1981
- journal article
- Published by American Society of Civil Engineers (ASCE) in Journal of the Geotechnical Engineering Division
- Vol. 107 (9) , 1159-1178
- https://doi.org/10.1061/ajgeb6.0001183
Abstract
The causes and patterns of ground movement associated with braced excavations are examined. Field measurements of displacements for braced cuts in sand and soft to medium clay show a relationship between the deflection of the excavation wall and the ratio of horizontal to vertical movement adjoining the cut. A review of various case histories indicates that soil displacement depends strongly on the construction process. Practices are recommended for promoting a stiff bracing system, excavating beneath the lowest braces, and using berms to restrain ground movement.Keywords
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