Undisturbed Shopping: DYWIDAG Post-Tensioning Tendons strengthen Connecting Bridge Abutment of the Narellan Town Centre

Recently, the Narellan Town Centre shopping mall in Narellan, a suburb of Sydney located 60km south-west of Sydney’s central business district, was extensively expanded.The shopping mall area was enlarged from approx. 35.000m² to approx. 70.000m². The new part of the center includes more than 100 new shops and 1,500 additional parking spaces.

The old and the new sections of the building were connected via a bridge that also accommodates shops and that leads over the Camden Valley Way.

The two bridge abutments were post-tensioned using DYWIDAG Strand Post-Tensioning Systems. 34 Type 27-0.6", grade St 1660/1860 DYWIDAG Tendons with fixed and stressing anchorages were used at the northern abutment.

8 Type 27-0.6" and 36 Type 12-0.6" DYWIDAG Strand Tendons including fixed and stressing anchorages were installed at the southern abutment. Experienced DSI employees supported the subcontractor during post-tensioning. The 30m long bridge was lowered into its final position.

Owner

Dart West Developments Pty Limited, Australia

General Contractor

Mainbrace Constructions Pty Ltd, Australia

Contractor (Bridge)

Waeger Constructions PTY Ltd., Australia

Subcontractor Post-Tensioning

APS Australian Prestressing Services Pty Ltd, DYWIDAG-Systems International Pty. Ltd., BU Civils, both Australia

Architect

The Buchan Group, Australia

Architect (Bridge)

Jim Alexander, Australia

Unit

DYWIDAG-Systems International Pty. Ltd., BU Civils, Australia


Scope

Production, supply, post-tensioning

Products

42 Type 27-0.6" DYWIDAG Strand Tendons, 36 Type 12-0.6" DYWIDAG Strand Tendons

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DYWIDAG-Systems International Pty. Ltd. APAC/ASEAN

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