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128. Tailoring ECC for commercial application

Title: 128. Tailoring ECC for commercial application
Author(s): G. Song, GPAG van Zijl
Paper category : conference
Book title: 6th International RILEM Symposium on Fibre Reinforced Concretes
Editor(s): M. di Prisco, R. Felicetti and G.A. Plizzari
Print-ISBN: 2-912143-51-9
e-ISBN: 2912143748
Publisher: RILEM Publications SARL
Publication year: 2004
Pages: 1391 - 1400
Total Pages: 10
Nb references: 7
Language: English

Abstract: The relative high cost remains an obstacle for wider commercial use of Engineered Cement-based Composites (ECC). By making extensive use of locally available, waste materials as ingredients, this may be overcome. In this paper, the use of large quantities of fly-ash (FA) and ground granulated blast furnace slagment (slag) is reported. Their influence on ECC mechanical response in direct tensile tests is quantified and the reasons for the different behaviours studied via scanning electron microscope (SEM) photos. This study is performed on ECC specimens containing varying amounts of slag and/or fly-ash to assist in rational ECC mix design strategies. Particular focus is on the beneficial effect of fly-ash on the fresh mixability and eventual toughness of ECC. To compensate for the slow early-age strength development, fine grounded slagment is blended into the mix.

Online publication: 2004-08-30
Publication type : full_text
Public price (Euros): 0.00

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