Updated: 16 June 2000
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More Pictures: Vibration Testing
Horizontal shaking rig in multi-storey office building.

Horizontal shaking rig installed in a vacant multi-storey office building in Plymouth.
Vertical shaker in the workshop, displayed by Dr O Salawu and Dr Clive Williams

Vertical shaking rig designed by Dr O. Salawu and Dr Clive Williams.
The double-acting hydraulic actuator is mounted in the base of the unit and is connected through a load cell to an adjustable steel mass; the mass is free to move vertically and is guided by low friction linear bearings.
Vertical shaker installed on road bridge in Plymouth.

Vertical shaker installed on a road bridge in Plymouth.
The rig is compact enough to fit within the width of a pedestrian footpath.

The shaker rig is quite compact and easily fits within the width of a pedestrain footpath.
Overview of bridge under test.

An overview of the bridge under test.
Elements of the hydraulic control system.

Each element within the shaker system is easily transported; larger sections can be divided into managable component parts.
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