Cryogenic DYWIDAG Strand Tendons for Queensland’s first Coal Seam Gas LNG Plant

On Curtis Island north of Brisbane, Australia, there is a modern LNG plant that turns coal seam gas into liquid natural gas. Coal seam gas is natural gas that is found in underground coal deposits.

On the premises of Australia Pacific LNG, Australia’s largest producer of coal seam gas, three LNG tanks were built in which the gas is stored at a temperature of -162°C. The subcontractor STRABAG - DYWIDAG LNG Technology received the design and engineering contract for a total of four 140,000m³ LNG tanks.

DSI supplied cryogenic DYWIDAG Strand Tendons with MA Anchorages as ring tendons for the horizontal post-tensioning of the two exterior reinforced concrete tanks. Type 19-0.6" DYWIDAG Strand Tendons were used in the horizontal direction and Type 15-0.6" DYWIDAG Strand Tendons were used as vertical tendons. All of the DYWIDAG Strand Tendons were inserted in GDP plastic ducts.

Owner

Australia Pacific LNG, Australia

General Contractor

Bechtel International Inc., USA

Subcontractor

STRABAG - DYWIDAG LNG Technology, Germany

Engineering

Golder Associates Pty Ltd., Australia


DSI Unit

DYWIDAG-Systems International GmbH, GBU, Germany

DSI Scope

Supply

DSI Products

Type 19-0.6" and 15-0.6" cryogenic DYWIDAG Strand Tendons with MA Anchorages, Ø 28 and Ø 32mm GEWI® Threadbars and cryogenic GEWI® Threadbars with accessories

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DYWIDAG-Systems International Pty. Ltd. APAC/ASEAN

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