DEF: Una forma de ataque por sulfatos

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Skalny, J.; Johansen, V.; Thaulow, N.; Palomo, A.;
(1996)

DEF es el término habitualmente usado para describir la expansión que sufren algunos hormigones de cemento Portland que han sido curados con la ayuda de un tratamiento térmico. DEF es la abreviatura de la expresión inglesa "Delayed Ettringite Formation" que en español s... View more
  • References (29)
    29 references, page 1 of 3

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    (9) S.DIAMOND AND ONG: "Combined Effect of Alkali Silica Reaction and Secondary Ettringite Dq)osition in Steam Cured Mortars", in Ceramic Trans. 40(1994), 79-90; see also: S.Diamond, Ong, and D.Bonen, "Characteristics of Secondary Ettringite Dqiosited in Steam Cured Concrete Undergoing ASR", in Proc. 16th Int. ConfCemait.Microscopy, 1994.

    (10) N.THAULOW ANDU.H. JACOBSEN: "The Diagnosis ofChemical Deterioration ofConcrete by Optical Microscopy", presaited at the 1995 MRS Symposium, Boton, MA, December 1995.

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    (12)TEPPONEN, P. AND ERIKSON, B.E.: "Damages in Concrete Railway Sleqjers in Finland", Nordic Concrete Research, Nr 6, 199-209 (1987).

    (13) AIF-RESEARCH PROJECT NR 4873: "Influence of Heat Treatmait on the Chemical Reactions in Cement" (in German), Research Institute of the Cement Industry, Tannaistrasse 2, 4000, Dusseldorf 30, Germany.

    (14) SYLLA, M.-H. : "Reactions in Cement Paste Due to Heat Curing" (in German), Beton 38 [11], 449-454,1988; see also: W. Wieker and R.HCTr, "On Some Problems of the Chemistry of Portland Cement", Zeitsch. fur Chem.29(1989),321-327.

    (15) NECK, U.: "Effects of Heat Curing on Strength and Durability of Concrete" (in German), Beton 38 [12], 488-493, 1988.

    (16) HEINZ, D.: "Schadigende bildung Ettringit- ahnlicher Phasen in Warmebehandelten Morteln und Betonen", Tliesis, ReinischWest&lichen Technischoi Hochschule Aach^, 1986; also: Heinz, D., Ludwig, U., "Mechanism of Subsequent Ettringite Formation in Mortars and Concrete after Heat Treatment". Proc. 8th Int. Congr. on the Chemistry ofCemait, Rio de Janeiro, 1986, Vol. V, 189-199; Heinz, D., Ludwig, U.,"Mechanism of Secondary Ettringite Formation in Mortars and Concretes Subjected to Heat Treatment". Ed. J.M.Scahlon, ACI, Detroit, SP 100-105. Katharine and Bryant Mather International Conferaice; and other papers.

    (17) LAWRENCE, CD., DALZIEL, J. A , HOBBS, D.W.,: "Sulphate Attack Arising from Delayed Ettringite Formation." hiterim Technical Note No. 12, 43 pp, British Cement Association, 1990.

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