Strength and chloride ion permeability of reactive powder concrete containing steel slag powder and ultra-fine fly ash

Title: Strength and chloride ion permeability of reactive powder concrete containing steel slag powder and ultra-fine fly ash
Author(s): S. Hu, Y. Peng, Q. Ding
Paper category : conference
Book title: International Conference on Microstructure Related Durability of Cementitious Composites
Editor(s): W. Sun, K. van Breugel, C. Miao, G. Ye and H. Chen
Print-ISBN: 978-2-35158-065-3
e-ISBN: 978-2-35158-084-4
Publisher: RILEM Publications
Publication year: 2008
Pages: 437 - 444
Total Pages: 8
Nb references: 11
Language: English

Abstract: Reactive powder concrete (RPC) is an ultra-high strength cement-based material. Cement and silica fume (SF) content of RPC are generally rather high compared to conventional concrete. The aim of this study is to decrease the cement content of RPC by using industrial waste powder. RPC containing ultra-fine fly ash (UFA) and steel slag powder (SS) was prepared by substitution of ground fine quartz sand with natural fine aggregates. The mechanical properties and chloride ion permeability of specimens, cured in two different kinds of conditions, were tested. The experimental results show that the mechanical properties of RPC with the substitution of 18% SS, 12% UFA and 15% SF are better than those of the others. Its compressive and flexural strength achieved more than 162 MPa and 36 MPa respectively and its chloride ion permeability is low.

Online publication: 2009-06-09
Publication type : full_text
Public price (Euros): 0.00