Estimation Of concrete resistance To chloride-ion penetration based On water accessible porosity and unit weight Of concrete
Liu, Xuemei & Zhang, Min-Hong (2012) Estimation Of concrete resistance To chloride-ion penetration based On water accessible porosity and unit weight Of concrete. In Proceedings of 2nd international conference on Microstructure related Durability properties of Cementitious Composites, RILEM Publications, Amsterdam, The Netherlands.
To ensure better concrete quality and long-term durability, there has been an increasing focus in recent years on the development of test methods for quality control of concrete. This paper presents a study to evaluate the effect of water accessible porosity and oven-dry unit weight on the resistance of concrete to chloride-ion penetration. Based on the experimental results and regression analyses, empirical relationships of the charge passed (ASTM C 1202) and chloride migration coefficient (NT Build 492) versus the water accessible porosity and oven dry unit weight of the concrete are established. Using basic physical properties of water accessible porosity and oven dry unit weight which can be easily determined, total charge passed and migration coefficient of the concrete can be estimated for quality control and for estimating durability of concrete.
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|Item Type:||Conference Paper|
|Keywords:||concrete, chloride ion, migration, permeability, durability, water accessible porosity|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Construction Materials (090503)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)
|Divisions:||Current > Schools > School of Civil Engineering & Built Environment
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2012 RILEM Publications|
|Deposited On:||07 Jun 2013 01:07|
|Last Modified:||12 Jun 2013 03:41|
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