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Prof. Xiao-Ling Zhao

Topic: Hybrid Construction using sea water, sea sand, concrete and FRP 

Presented by: Prof. Xiao-Ling Zhao, Chair of Civil Engineering at Monash University

Abstract

This presentation gives a summary of current research at Monash University on hybrid construction using seawater sea sand concrete (SWSSC) and FRP. It contains four major parts:

(1) Properties of SWSSC: Alkali activated slag concrete with seawater and sea sand was used in this research. Material properties measured include modulus of elasticity, compressive strength, bending strength at ambient temperature as well as elevated temperature.

(2) Long-term behavior of fiber reinforced polymer (FRP): Filament-wound FRP tubes were adopted with three types of fibres (glass, carbon and basalt). Exposure temperatures include 25, 40, 60˚C with exposure time varies from 1 month to 12 months.

(3) SWSSC-filled FRP and SS stub columns: Stub columns, including hollow sections and SWSSC fully filled tubes or double-skin tubes, were tested under axial compression. The effects of some key parameters (e.g., tube diameter-to-thickness ratio, cross-section types, outer tube types, and inner tube types) on the confinement effects were discussed.

(4) Durability of FRP bars in SWSSC environment: Accelerated corrosion tests were conducted on FRP bars using two types of SWSSC solutions at different pH and temperatures, and for different durations. The long-term behaviour of BFRP and GFRP bars under the service construction condition was predicted.

Key words: Fibre Reinforced Polymer, Seawater Sea Sand Concrete, Durability 

About the presenter

Xiao-Ling has received several prestigious fellowships: Alexander von Humboldt Fellowship; Japan Society for Promotion of Science Invitation Fellow; National “1000-Talent” Chair Professorship, China; Distinguished Visiting Fellowship Award, The Royal Academy of Engineering, UK; Visiting Professorship Award, Swiss National Science Foundation.

Xiao-Ling is a Fellow of the American Society of Civil Engineers, Engineers Australia, and International Institute for FRP in Construction. He served as a member on the ERA (Excellence in Research for Australia) Research Evaluation Committee for Engineering and Environmental Sciences Cluster in 2015. Xiao-Ling was the Head of Department of Civil Engineering at Monash University from 2008 to 2011.