𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Preparation of sulphoaluminate belite cement from fly ash

✍ Scribed by Sadananda Sahu; Ján Majling

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
514 KB
Volume
24
Category
Article
ISSN
0008-8846

No coin nor oath required. For personal study only.

✦ Synopsis

Sulphoaluminate belite cements containing the phases C2S, C4A3~, C4AF, C~ were synthesised from limestone, fly ash and gypsum at 1200 °C. The correspondence between the predicted phase composition and real phase composition were checked. The influence of quantities of different phases in the hydration behaviour and strength development were verified. Results show that an optimum proportion of phase quantities help in high strength development in early age. These cements fulfil all the requirement of Portland cement and have very high early strength. Porosity measurements show that the total pore volume in early period is comparatively less than that of Ordinary Portland Cement. Thus these cements can be usable for special purposes.

📜 SIMILAR VOLUMES

Leachability of lead from solidified cem
Leachability of lead from solidified cement-fly ash binders
✍ S.Y. Wang; C. Vipulanandan 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 674 KB

Potential of partly replacing cement with class C fly ash to immobilize lead was investigated. Lead nitrate up to a concentrations of 10% (by weight of binder) was solidified with binders such as Type I Portland cement and a cement-fly ash (equal proportion) mixture. Pore fluid analyses indicated th

Long term mechanical strength behaviour
Long term mechanical strength behaviour in fly ash/Portland cement mortars prepared using processed ashes
✍ J Payá; M V Borrachero; J Monzó; E Peris-Mora; M Bonilla 📂 Article 📅 2002 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 417 KB

## Abstract It is well‐known that some treatments of fly ash may improve its reactivity and consequently the strength of mortars containing these processed ashes. In this paper the effects of treatments on fly ashes are compared: sieving, grinding, and magnetic extractions from aqueous suspensions.

An optimization of fly ash quantity in c
An optimization of fly ash quantity in cement blending
✍ Lj. Fisang; M. Djuric; R.M. Neducin; J. Ranogajec; A. Mihajlov 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 584 KB

The Two Goal Approach was applied to the maximization of fly ash quantity (i.e. minimization of energy consumption) in producing cement of acceptable mechanical characteristics.Mathematical model of the optimization problem consists of two objective functions; a requirement concerning ash quantity a

Pozzolanic and cementitious reactions of
Pozzolanic and cementitious reactions of fly ash in blended cement pastes
✍ Bryan K. Marsh; Robert L. Day 📂 Article 📅 1988 🏛 Elsevier Science 🌐 English ⚖ 467 KB

Results of thermogravimetric tests on hardened cement pastes containing fly ash are reported. Ashes derived from subbituminous and lignite coal were used at replacement levels of 30~c and 50~ by weight. Thermal analysis was performed on samples which were water cured for various ages from 3 days to