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Recycled concrete and silica fume make calcium silicate bricks
AbstractWhen old concrete is crushed to coarse aggregate for production of new concrete, approximately 20 weight percent of crusher fines are generated. It has been shown that calcium hydroxide from hydrated cement of such fines reacts in the autoclave with siliceous particles in the fines to give calcium silicate products. Such products are similar in nature to sand-lime bricks. When silica are greatly improved. It has further been shown that crusher fines from recycled concrete do not qualify as hydraulic cements even when ground to cement fineness.
Recycled concrete and silica fume make calcium silicate bricks
AbstractWhen old concrete is crushed to coarse aggregate for production of new concrete, approximately 20 weight percent of crusher fines are generated. It has been shown that calcium hydroxide from hydrated cement of such fines reacts in the autoclave with siliceous particles in the fines to give calcium silicate products. Such products are similar in nature to sand-lime bricks. When silica are greatly improved. It has further been shown that crusher fines from recycled concrete do not qualify as hydraulic cements even when ground to cement fineness.
Recycled concrete and silica fume make calcium silicate bricks
Hansen, Torben C. (author) / Narud, Henrik (author)
Cement and Concrete Research ; 13 ; 626-630
1982-12-01
5 pages
Article (Journal)
Electronic Resource
English
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