Goongoongup Bridge is a railway bridge in East Perth, Western Australia which crosses the Swan River and forms part of the Armadale line. It opened on 24 July 1995 as part of the electrification of Perth's suburban railway network.[1] The name is derived from the Nyungar word for the Claisebrook area.[2]
Goongoongup Bridge replaced the 1932 built timber Bunbury Bridge which was demolished in 1996.[3] It had replaced the original 1893 structure that was damaged by floods.[1]
The double-track concrete bridge is 407 metres (1,335 ft) long and is supported by eight piers. A dual-use pedestrian/cycle pathway is beneath the main deck.
A six-lane road bridge Windan Bridge opened in 2000 and is situated parallel and 2 metres (6 ft 7 in) upstream from Goongoongup Bridge.
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Transcription
Repairs
In 2002, movement of soil on the eastern end of the bridge was detected.[4][5] Displacement of 140 mm (5.5 in) on the abutments was measured and engineering reports predicted the displacement would be 300 mm (12 in) by the end of the century and that the abutment piles would yield in 10 to 20 years.
Repair work by the Public Transport Authority commenced in August 2011 and was completed in early 2013.[6]
References
- ^ a b "New Perth Bridge Opens" Railway Digest September 1995 page 16
- ^ "Official opening of Goongoonup Bridge". Govt. of Western Australia. 24 July 1995. Archived from the original on 4 August 2012.
- ^ "Perth's Bridges". Perth For Everyone. Archived from the original on 29 January 2013. Retrieved 6 April 2012.
- ^ Prof. Serge Leroueil. "Goongoonup Railway Bridge, Australia". Ottawa Geotechnical Group.
...In 2002, a displacement of 140 mm (5.5 in) of the eastern abutment was measured and an independent report predicted at that time that it would be 300 mm (12 in) by the end of the century and that the abutment piles would yield in 10 to 20 years. The owner of the bridge, the Public Transport Authority, involved experts in structural and geotechnical engineering as well as an engineering firm to examine the situation. First assessment showed several current or potential problems: the bearing capacity of the abutment piles could be exceeded; the abutment bearings were at their limit; the concrete piles of the approach structure were cracked in their upper part and their capacity had to be examined; the raked piles of the closest pier to the abutment were subjected to soil settlement and could have yielded.
- ^ Stewart, D.P. and McInnes, D.B. The impact of lateral soil displacements on the Goongoonup rail bridge, Perth, 8th ANZ Conference on Geomechanics, Canberra, ACT, Australian Geomechanics Society, 1: pp 345-351 (1999)
- ^ "Goongoongup Bridge Works". Public Transport Authority. Retrieved 10 April 2012.
External links
Media related to Goongoongup Bridge at Wikimedia Commons
31°56′52″S 115°52′58″E / 31.9477°S 115.8829°E
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This page was last edited on 19 January 2022, at 08:20