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Zhen-Tian Chang

BE ME Hunan PhD UNSW

Senior Research Fellow

Contact Details

Office Location:
CE 706 Civil Engineering Building (H20)
Phone: +61 2 9385 5044
Fax: + 61 2 9385 9747
Email: z.changroberto@unsw.edujlo.au

Research Areas

Corrosion of steel reinforcement in concrete structure
Corrosion mechanisms of steel in concrete in marine and industrial environments; influence of concrete cracks; corrosion assessment and remediation
Concrete deterioration in aggressive environment
Concrete deterioration due to leaching, acid attack, sulphate attack and aggressive gas attack, durability of concrete structures in sewer and industrial environments
Concrete structures and structural analysis
Thin-walled concrete spherical shells, experimental design and theoretical analysis
High performance concrete and polymer modified mortar
High performance concretes containing mineral admixtures (silica fume, fly ash or slag), self compacting concrete, geopolymer concrete, polymer modified repair mortars

Recent Research Grants

Marosszeky M and Chang Z-T, Durability and protection strategies for infrastructures in marine environments, Industrial sponsored UNSW research project, 2004 – 2006.

Munn R. L. and Chang Z-T, Performance of concretes modified with a new permeability-reducing admixture, Industrial sponsored UNSW research project, 2004.

Munn R. L. and Chang Z-T, Performance of concretes modified with permeability-reducing admixtures, Industrial sponsored UNSW research project, 2003.

Selected Publications

Chang, Z-T., Cherry, B. and Marosszeky, M., “Polarisation behaviour of steel bar samples in concrete in seawater, Part 2: A polarisation model for corrosion evaluation of steel in concrete”, Corrosion Science, 2008, 50 (11): 3078-3086.

Chang, Z-T., Bradford, M. A. and Gilbert, R. T., “A local failure model for shallow spherical concrete domes subjected to uniform external radial pressure”, Proceedings of the 6th International Conference on Computation of Shell and Spatial Structures IASS-IACM 2008: “Spanning Nano to Mega”, John F. ABEL and J. Robert Cooke (Eds.), May 2008, Cornell University, Ithaca, NY, USA.

Chang, Z-T. and Cherry, B., “Local cathodic protection of reinforcement at cracks”, International conference on Corrosion Control 007, Sydney, Australia, November 2007, Paper 69: 1-10.

Munn, Robert and Chang, Z-T., “Investigations into properties and treatment of collie fly ash that influence admixture sensitivity in blended cement concretes”, Ninth CANMET/ACI International Conference on Fly Ash, Silica Fume, Slag and Natural Pozzolans in Concrete, V.M. Malhotra (editor), ACI SP-242, Warsaw, Poland, May 2007: 149-164.

Song, X. J., Marosszeky, M. and Chang, Z-T., “Rate of sulphuric acid penetration in a geopolymer concrete”, Thirty-first International Conference on Advanced Ceramics and Composites, Florida, USA, January 2007: 363-372.

Song, X. J., Marosszeky, M., Brungs, M and Chang, Z-T., "Study of alkali metal activators on sulphuric acid resistance of fly ash based geopolymers”, International Conference on Pozzolan, Concrete and Geopolymer, Khon Kaen, Thailand, May 2006: 158-166.

Chang, Z-T., Song, X. J., Munn, R. L. and Marosszeky, M., “Using limestone aggregates and different cements for enhancing resistance of concrete to sulphuric acid attack”, Cement and Concrete Research, 2005, 35(8): 1486-1494.

Song X. J., Marosszeky, M., Brungs, M and Chang Z-T, “Response of geopolymer concrete to sulphuric acid attack, The World Congress Geopolymer 2005, Saint-Quentin, France, June 2005: 157-160

Munn, R. L., Chang, Z-T., Song, X. J. and Marosszeky, M., "Evaluation of acid resistance of various concretes”, Eighth CANMET/ACI International Conference on Fly Ash, Silica Fume, Slag and Natural Pozzolans in Concrete, Las Vegas, USA, May 2004.

Munn, R. L., Kao, G., and Chang, Z-T., “Resistance to sulphate and chloride attack of concretes modified with permeability reducing admixture”, Concrete in the 3rd Millennium, The 21st Biennial Conference of The Concrete Institute of Australia, Brisbane, 2003, Proceedings Vol 1: 221-231.

Song, X-J, Chang, Z-T., Marosszeky, M. and Munn, R., “Enhancing acid resistance of concrete by varying cement and aggregate types”, Concrete in the 3rd Millennium, The 21st Biennial Conference of The Concrete Institute of Australia, Brisbane, 2003, Proceedings Vol 2: 851-862.

Munn, R. L., Kao, G. and Chang, Z-T., ”Performance and compatibility of permeability reducing and other chemical admixtures in Australian concretes”, Seventh CANMET/ACI International Conference on Superplasticizers and Other Chemical Admixtures in Concrete, April 2003, Berlin, Germany, 361-379.

Chang, Z-T., Cherry, B. and Marosszeky, M., “Spread of corrosion from concrete crack zone due to macrocell current flow in steel reinforcement”, Fifteenth International Corrosion Congress on Frontiers in Corrosion Science and Technology, Granada, Spain, 2002, Paper 404: 1-8.

Chang, Z-T., Cherry, B. and Marosszeky, M., “Potential curvature method – a new approach for corrosion assessment in concrete structures”, Ninth International Conference on Durability of Building Materials & Components, Brisbane, Australia, 2002, Paper 126: 1-6.

Chang, Z-T., Cherry, B and Marosszeky, M., "Influences of Crack Width on Macrocell Corrosion of Steel Reinforcement in Concrete Beams Immersed in Seawater", the International Conference on Corrosion And Prevention, November 2001, Newcastle, Australia, Paper 35: 1-8.

Chang, Z-T, Cherry, B.W. and Marosszeky, M. "Macrocell and Microcell Corrosion of Steel Reinforcement in the Concrete Crack Zones", International Conference on Corrosion and Prevention, November 2000, Auckland, New Zealand, Paper 29: 1-12.

Selected Research Reports

Chang, Z-T and Marosszeky, M., “Durability and Protection Strategies for Infrastructures in Marine Environments”, UNSW Research Office project report, 2006.

Marks, R., Chang, Z-T and Marosszeky, M., "Development of three grades of high strength concrete mixes", UNSW Research Office project report, 2005.

Kao, G., Chang, Z-T. and Munn, R. L., “Performance of concretes modified with a new permeability-reducing admixtures”, UNSW Research Office project report, 2004.

Chang, Z-T., “Final report on refurbishment works at the joints between roof sections in the driven tunnels”, UNSW Unisearch project report, 2006.

Chang, Z-T. and Munn, R. L. “An investigation of concrete samples from No.5 concrete coke oven stack at Port Kembla for durability assessment”, UNSW Unisearch project report, 2005.

Chang, Z-T., “An investigation of concrete samples from a waste heat stack at Yabulu Refinery to assess durability performance”, UNSW Unisearch project report, 2005.

Chang, Z-T., “Durability performance of five concrete mixes in marine environments”, UNSW Unisearch project report, 2004.

Chang, Z-T. and Munn, R. L., “Investigation of microscopic features and chemical compositions of a flyash for potential causes of sensitivity in concrete applications”, UNSW Unisearch project report, 2004.

Chang, Z-T., “A comprehensive on-site and laboratory investigation of the current conditions and remediation strategies for No.6 coke oven stack at BHP Steelworks”, UNSW Unisearch project report, 2002.

Chang, Z-T. and Munn, R. L., “A comprehensive condition investigation of the “80+ years old” Jones Bay wharf structure in Sydney aiming at another 99 years service life”, UNSW Unisearch project report, 2001.

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