Glass Frit a New Alternative Cementitious Material

Title: Glass Frit a New Alternative Cementitious Material
Author(s): Laldji
Paper category : conference
Book title: International RILEM Conference on the Use of Recycled Materials in Building and Structures
Editor(s): E. Vázquez, Ch. F. Hendriks and G.M.T. Janssen
Print-ISBN: 2-912143-52-7
e-ISBN: 2912143756
Publisher: RILEM Publications SARL
Publication year: 2004
Pages: 953 - 962
Total Pages: 10
Nb references: 7
Language: English

Abstract: Aluminium production in various parts of the world generates a considerable amount of
spent pot liners (SPL) which contain leachable cyanides and fluorides, creating a serious
environmental problem. Consequently, aluminium plants are faced with high costs throughout
the recycling process of the generated waste. Up until now, the most common way of
disposing of the waste was to bury it in landfill sites, thereby reducing their number and
contaminating them throughout the world.Recently, glass frit (GF) resulting from the processing of SPL after having undergone
various treatments and having been ground to the fineness of a cement was incorporated in
mortar and concrete in replacement of cement. This material results in better rheological and
mechanical performances, and durability than blast furnace slag (BFS).The rheological behaviour and some mechanical properties of mortar and concreteincorporating GF were studied. The results obtained showed that GF has a remarkable
reactivity potential and an interesting capacity to improve workability. With 50% less water
reducer dosage, concrete made with 25% GF as cement replacement presented a slump
similar to the control concrete made with Portland cement. At 28 days, compressive strengths
measured on concrete cylinders were even greater than those of the control concrete.
Durability was also improved while resistance to freezing and thawing was comparable to that
of the reference concrete.

Online publication: 2004-09-29
Publication type : full_text
Public price (Euros): 0.00
doi: 10.1617/2912143756.105