1993 · 15 citations · 0 references
EngineeringCivil EngineeringSoil SciencesFoundation EngineeringGeotechnical EngineeringSoil MechanicsEarth Retaining StructuresGeotechnical DesignIn-situ Stress MeasurementIn-situ TestingRetaining WallsSoil Pore StructureConstruction Sequence InfluenceEarth Pressure On Embedded WallsField MonitoringField Performance MonitoringRetaining Wall ConstructionRetaining Wall ResponseRetaining Wall StabilityWall-soil Interaction
This paper presents the results of field monitoring on three schemes where embedded walls were installed in London clay. The first site was a contiguous bored pile retaining wall. The ground conditions comprised up to 3m of made ground and 3m of Claygate beds overlying the London clay. The other two sites were counterfort diaphragm retaining walls. At the second, London clay was overlain by about 2.4m of gravels and made ground. At the third site, soft alluvial deposits were found to a depth of 6.9m. Below this a 2.2m layer of alluvial gravel overlays London clay. Lateral stress changes and pore water pressures were measured at the first two sites, and pore water pressures at the third. Details are provided of: a) the construction sequence; b) lateral stress changes during wall installation; and c) pore water pressure changes during installation. For the covering abstract see IRRD 860485.