PERFORMANCE OF A 25-YEAR-OLD COASTAL CONCRETE WHARF STRUCTURE
The long-term performance of coastal and marine structures has been strongly scrutinised in recent years. This is possibly partly due to a stronger emphasis on life cycle performance and partly due to premature structural failure and costly maintenance of some of these structures. An investigation has recently been carried out on members of a wharf structure at the mouth of the Clarence River in northern New South Wales. The original wharf, built around 1970, was founded on a series of standard 400 mm DMR precast prestressed concrete piles, in-situ concrete headstock and precast concrete deck units. A number of 350 mm precast prestressed concrete fender piles were installed about 15 years ago. The resistance of concrete to chloride penetration, the level of chloride at prestressing strands and its effect on their corrosion were examined. The results of the investigation are extremely useful in predicting the likely service life of a range of coastal concrete structures, and in understanding the critical chloride level affecting the corrosion of prestressing strands in concrete. (a) For the covering entry of this conference, please see IRRD abstract no. 895164.
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Availability:
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Corporate Authors:
Austroads
Suite 2, Level 9, 287 Elizabeth Street
Sydney, New South Wales Australia 2000 -
Authors:
- DRISCOLL, S
- Sirivivatnanon, V
- Khatri, R
- Conference:
- Publication Date: 1997
Language
- English
Media Info
- Features: References;
- Pagination: p. 379-91
Subject/Index Terms
- TRT Terms: Chlorides; Conferences; Corrosion; Performance; Ports; Reinforced concrete; Seas; Support piles; Tests
- Geographic Terms: Australia
- ITRD Terms: 8006: Australia; 8525: Conference; 5252: Corrosion; 5910: Durability; 7314: Halide; 3399: Pile; 4794: Reinforced concrete; 4368: Sea; 6255: Test
- Subject Areas: Data and Information Technology; Marine Transportation; Terminals and Facilities;
Filing Info
- Accession Number: 00754074
- Record Type: Publication
- Source Agency: ARRB
- ISBN: 0-85588-495-9
- Files: ITRD, ATRI
- Created Date: Oct 27 1998 12:00AM