New Connecting Road in Sittingbourne enhances the Region’s Economic Development

Many inhabitants of the town of Sittingbourne in Southern England have been waiting for it for a long time: The new key transport link Sittingbourne Northern Relief Road between the Eurolink Industrial Park and the A249 trunk road.

Previously, traffic had to wind its way through the narrow streets, low bridges and complicated one-way systems of Sittingbourne’s center. Thanks to the new relief road across Milton Creek, traffic can now flow to the industrial park directly, which considerably enhances the area’s economic attractiveness.

DSI were consulted with early in the project to develop a suitable tie bar (tie rod) solution for the sheet piled walls along the banks of the river and in the proximity of the new bridge. Given the high traffic loads on the approach roads and in the proximity of the bridge abutments, a high capacity tie bar solution was required. Consequently, the decision was made to use Ø 63.5mm GEWI® Tie Bars in lengths of 8-16m with an ultimate strength of 2,217kN. Thanks to their continuous thread, the bars can be cut and coupled at any point.This was a key requirement for the contractor, as the final alignment of the sheet piled walls could only be determined once the piles were driven.

The GEWI® System used also incorporated DSI’s heavy duty clevis anchorages, which allow articulation at both faces. The robust clevis ensures full load capacity of the bar and offers ease of installation. In order to make installation even easier, DSI also designed special cleat plates.

For effective corrosion protection, sacrificial corrosion allowance was applied to the entire tie, in conjunction with Denso wrapping of the GEWI® Tie Bars and clevises.

Owner

Kent County Council, Great Britain

Contractor

Jackson Civil Engineering Group Ltd., Great Britain

Engineers

Jacobs Engineering Group Inc., Great Britain


DSI Unit

DYWIDAG-Systems International Ltd., Great Britain

DSI Scope

Supply of Ø 63.5mm GEWI® Tie Bars and Clevis Connections

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