Comparison on the durability of different portland cements after five years exposure to sulfate and to sea water attack

López Sánchez, Pedro and Fernández Gómez, Jaime Antonio and Moragues Terrades, Amparo (2011). Comparison on the durability of different portland cements after five years exposure to sulfate and to sea water attack. In: "13th International Congress on the Chemistry of Cement", 03/07/2011 - 08/07/2011, Madrid, España.

Description

Title: Comparison on the durability of different portland cements after five years exposure to sulfate and to sea water attack
Author/s:
  • López Sánchez, Pedro
  • Fernández Gómez, Jaime Antonio
  • Moragues Terrades, Amparo
Item Type: Presentation at Congress or Conference (Article)
Event Title: 13th International Congress on the Chemistry of Cement
Event Dates: 03/07/2011 - 08/07/2011
Event Location: Madrid, España
Title of Book: Proceedings fo 13th International Congress on the Chemistry of Cement
Date: 2011
Subjects:
Faculty: E.T.S.I. Caminos, Canales y Puertos (UPM)
Department: Ingeniería Civil: Construcción
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Experimental research has been performed to relate specific cement characteristics to deterioration due to sulfate and sea water attack after five year exposure, and to study different test method suitability for sulfate and marine resistance. Sulfate resistance testing have been performed on mortar specimens made with fifteen cement types of statistically diverse chemical composition according to European standard EN 197-1, most of them with sulfate resistant properties according to Spanish regulations. Chemical and mechanical characteristics were studied to determine the variation in properties of selected cements. SO3 content, type and amount of additions, C3A, and C4AF content were used to examine relationships between these characteristics and the results of sulfate resistance. Mortar specimens testing using Na2SO4 as the aggressive medium according to ASTM 1012 (with w/c ratio adapted to prENV 196-X:1995) was performed using each type of cement; identical specimens were also stored in sea water, and in lime saturated water (blank condition), up to five year age. Additionally these cements were tested conforming ASTM 452 and Koch and Steinegger test. Recommended acceptance limits for sulfate resistance of cements concerning to each used test method were evaluated in order to explore their suitability. Relationships between cement characteristics, degradation, expansive products obtained by X-ray diffraction techniques and maximum expansion after applied storage treatments, were correlated at final age, to redefine cement characteristics for sulfate resistant and marine resistant Portland cement

More information

Item ID: 12553
DC Identifier: http://oa.upm.es/12553/
OAI Identifier: oai:oa.upm.es:12553
Deposited by: Memoria Investigacion
Deposited on: 07 Aug 2012 08:24
Last Modified: 03 Mar 2020 18:35
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