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Key Strategies For Managing Acid Sulphate Soil (Ass) Problems On The Southeastern Coast Of New South Wales, Australia, L J. Banasiak, B Indraratna
Key Strategies For Managing Acid Sulphate Soil (Ass) Problems On The Southeastern Coast Of New South Wales, Australia, L J. Banasiak, B Indraratna
Faculty of Engineering - Papers (Archive)
The acidification of Australian coastal waterways as a result of the oxidation of acid sulphate soil (ASS) containing appreciable quantities of sulphidic material (e.g. pyrite) has well recognised environmental, economic and social effects including the loss of fish, biodiversity and agricultural productivity as well as the corrosion of concrete and steel infrastructure by acidic drainage. Largescale artificial drainage and one-way floodgates in low-lying coastal floodplains has lowered the groundwater table, thus enhancing pyritic oxidation and increasing the distribution, magnitude and frequency of acid generation and release of toxic metals such as aluminium (Al3+) and iron (total Fe) from ASS. Engineering …
Slope Hazard Assessment On A Coast Road In New South Wales, Australia, M. Hendrickx, R A. Wilson, A T. Moon, I E. Stewart, Phillip N. Flentje
Slope Hazard Assessment On A Coast Road In New South Wales, Australia, M. Hendrickx, R A. Wilson, A T. Moon, I E. Stewart, Phillip N. Flentje
Faculty of Engineering - Papers (Archive)
Lawrence Hargrave Drive was constructed in 1878 and has experienced a continuance of slope failures including rock falls, debris flows and embankment collapses. In 2003 a section of the road was closed for safety reasons. An Alliance between the state government and private industry was formed to develop an engineering solution to reduce the risk to ‘acceptable’ levels. Assessment of slope hazards was completed with the aid of geological mapping, interpretation of aerial photographs, archived government reports, historical photo and newspaper collections and a GIS based landslide inventory. Historical photographs provided important evidence on erosion rates and the size, nature …
Seismic Site Classification Practice In Australia, China And India: Suitability, P Anbazhagan, M Neaz Sheikh, Hing-Ho Tsang
Seismic Site Classification Practice In Australia, China And India: Suitability, P Anbazhagan, M Neaz Sheikh, Hing-Ho Tsang
Faculty of Engineering - Papers (Archive)
Seismic site classifications are widely used to represent seismic site effects and estimate the hazard parameters at soil surface. Most countries including Australia, China and India follow seismic site classification system similar to that in International Building Code (IBC), which is based on 30 m average shear wave velocity (SWV), Standard Penetration Test (SPT) N values and undrained shear strength. The site classification system in IBC is developed based on the studies carried out in United States. The present paper presents the seismic site classification according to IBC considering 30 m average SWV and SPT N and compares with seismic …