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Obtención del hormigón apropiado a terrenos y/o aguas agresivas diversas mediante la norma TGL 11357

By Rafael Talero

Abstract

TGL 11357 Norm specifies the express use of the cement:
 — Portland with a content between 0% and 5% of C<sub>3</sub>A, or
 — Supersulphathed iron foundry (with conditions), or
 — Aluminates (with conditions)
 when the agressiveness of the water and/or of an agressive sulphatic ground (among others) will be touching the concrete work.
 There are countries where there is not such a specific kind of cement, being unable to execute this norm. But by means of this study, which enlarge with good reason the range of those appropiate composites to defined puzzolans, it would be easier to keep the meaning o this norm, to reach identical purpose, that is, a cement concrete with appropriate puzzolanic additions (and/or appropriate iron slags) resistant to the mentioned agressiveness.<br><br>La norma TGL 11357 especifica la utilización expresa de cementos:
 — Portland con un contenido de C<sub>3</sub>A del 0% al 5%, o
 — Siderúrgicos Sobresulfatados (con condiciones), o
 — Aluminosos (con condiciones)
 cuando la agresividad del agua y/o terreno agresivo que vaya a estar en contacto con la obra de hormigón sea del tipo sulfático, entre otras.
 Existen muchos países que no disponen de tal tipo tan específico de cementos para poder cumplimentarla, y mediante el presente artículo, al ampliar fundadamente la gama de variabilidad de aquellos adecuados citados, a sólo determinados puzolánicos, se les facilitará bastante más la posible cumplimentación del espíritu de la norma en cuestión, para alcanzar idéntico objetivo, o sea, un hormigón de cemento con adiciones puzolánicas adecuadas (y/o escorias siderometalúrgicas adecuadas), resistente al mencionado ataque agresivo

Topics: Materials of engineering and construction. Mechanics of materials, TA401-492, Electrical engineering. Electronics. Nuclear engineering, TK1-9971, Technology, T, DOAJ:Materials, DOAJ:Technology and Engineering
Publisher: Consejo Superior de Investigaciones Científicas
Year: 1985
OAI identifier: oai:doaj.org/article:f9b3c78ce3cd4f0cbb80d5f60d2edd3d
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