CONCRETE IN HOT ENVIRONMENTS - CHAPTER 1 ppsx
CONCRETE IN HOT ENVIRONMENTS - CHAPTER 1 ppsx
... during the grinding of the cement clinker (section 1. 1). The gypsum combines with the C 3 A to give a high-sulphate calcium sulphoaluminate, known as ettringite (3CaO·Al 2 O 3 ·3CaSO 4 ·31H 2 O), and ... 1. 8.) Copyright 19 93 E & FN Spon 1. 3. MINOR CONSTITUENTS 1. 3 .1. Gypsum (CaSO 4 ·2H 2 O) It was pointed out earlier (section 1. 2.3) that the C 3 A reacts with water almost ins...
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CONCRETE IN HOT ENVIRONMENTS - CHAPTER O ppt
... NY 10 017 –2398, USA (Fig. 3.7). American Society for Testing and Materials (ASTM) 19 16 Race St., Philadelphia, PA 19 103 11 87, USA (Figs 1. 7, 3 .10 , 3 .16 , 4 .11 , 4 .12 , 7 .17 , 8.3, 9.8, 9 .15 and 10 .23, ... Reinforcement 10 .1 Introduction 10 .2 Mechanism 10 .3 Corrosion of steel in concrete 10 .4 Carbonation 10 .4 .1 Factors affecting the rate of carbonation 10...
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CONCRETE IN HOT ENVIRONMENTS - CHAPTER 2 pot
... its initial and final setting Fig. 2 .15 . Effect of placing tempera- ture on temperature rise in mass concrete containing 223 kg/m 3 of type I cement. (Adapted from Ref. 2 .18 .) Copyright 19 93 ... temperature in a C 3 S paste is demonstrated in Fig. 2 .14 , and the increased rise in concrete temperature in Fig. 2 .15 . Fig. 2 .14 . Effect of temperature on heat evolution i...
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CONCRETE IN HOT ENVIRONMENTS - CHAPTER 3 potx
... Technology, Haifa, 19 90 (in Hebrew). 3.23. ACI Committee 11 6, Cement and Concrete Terminology (ACI 11 6R-85). In ACI Manual of Concrete Practice, Part 1. ACI, Detroit, MI, USA, 19 90. Copyright 19 93 E & ... Sec. Intern. Conf. on Fly Ash, Silica Fume, Slag and Natural Pozzolans in Concrete (ACI Spec. Publ. SP- 91) , Madrid, Spain 19 86. ed. V.M.Malhotra. Detroit, pp....
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CONCRETE IN HOT ENVIRONMENTS - CHAPTER 4 docx
... of concrete containing high-range water- reducing admixtures in hot weather. In Development in the Use of Superplasticizers (ACI Spec. Publ. SP 68). ACI, Detroit, MI, USA, 19 81, pp. 409–22. 4 .10 . ... Beaudoin, J.J., Concrete Science. Heyden & Sons Ltd, Philadelphia, PA, USA, 19 81, pp. 13 7–8. 4 .16 . Mailvaganam, N.P., Factors influencing slump loss in flowing concre...
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CONCRETE IN HOT ENVIRONMENTS - CHAPTER 5 doc
... mortar. Cement Concrete Res., 20 (1) (19 90), 10 3 19 . 5 .10 . Ravina, D. & Shalon, R., Plastic shrinkage cracking. J. ACI, 65(4) (19 68), 282–92. 5 .11 . Bentur, A. & Mindess, S., Fibre Reinforced ... shrinkage increases significantly with an increase in mixing time from 10 to 60 min (compare curves 1 and 2, and 3 and 6). This increased shrinkage is attributable to the grind...
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CONCRETE IN HOT ENVIRONMENTS - CHAPTER 6 pdf
... accessible, since the forms can be up to 16 ft (4.88 m) high and 44 ft (13 . 41 m) long. Openings/Inserts Jumps forms are best suited to building designs in which the open- ings are regularly occurring ... 6.9). Stripping Stripping begins by removing all form ties and anchor-positioning bolts. The form panel with its strongbacks is then pulled away from the wall by tilting or rolling (Fig...
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CONCRETE IN HOT ENVIRONMENTS - CHAPTER 7 ppt
... In Proc. RILEM 2nd Int. Symp. on Concrete and Reinforced Concrete in Hot Countries, Haifa, 19 71, Vol. I. Building Research Station—Technion, Israel, Institute of Technology, Haifa, pp. 309– 21. 7 .12 ... DC, USA, 19 64. 7 .15 Shirley, D.E., Concreting in Hot Countries (3rd edn). Cement and Concrete Association, Wexham Springs, Slough, UK, 19 78 (reprinted 19 85). 7 .16 U...
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CONCRETE IN HOT ENVIRONMENTS - CHAPTER 8 pot
... not indicated by the data of Fig. 8 .13 implying, in turn, that some other mechanisms may be involved. 8.4.2.4. Mineral Admixtures In discussing the effect of mineral admixtures on drying shrinkage ... after 6 days of loading. Applied stress 0 1 MP a . (Adapted from Ref. 8 .10 .) (8.2) Copyright 19 93 E & FN Spon Reinforced Concrete in Hot Countries, Haifa 19 71, Vol. I, Buil...
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CONCRETE IN HOT ENVIRONMENTS - CHAPTER 9 pot
... containing Santorin earth. Cement Concrete Res., 11 (4) (19 81) , 507 18 . 9 .19 . Dunstan, E.R., Performance of lignite and sub-bituminous fly ash in concrete A progress report. Report REC-ERC-76 1, US Bureau ... sulphate-resisting cement must be combined with a specified minimum cement content. Indeed, this conclusion is reflected, for example, in BS 811 0, Part 1, 19 85, which s...
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