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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: SULFATE RESISTANCE OF MORTARS WITH LIMESTONE POWDER
Author(s): Sittiporn Sirisawat, Warangkana Sangsodee, Somnuk Tangprasirikul
Appears on pages(s): 17-24
Keywords: Limestone Powder, Fly Ash, Sulfate Resistance, Sodium Sulfate, Magnesium Sulfate
Abstract:In this investigation, mortar specimens made from two types of ordinary Portland cements, Type I and Type V, and Type I and Type V cements with limestone powder and fly ash were exposed to sulfate solutions. Performances in sulfate environment of mortars using these cementitious binders were evaluated by measuring expansion and weight loss of the specimens. Test results indicated that in both sodium sulfate (NS) and magnesium sulfate (MS) solutions the expansion of mortar bar specimens made from Type I and Type V cements with limestone powder and fly ash were smaller than those made from Type I cement. In addition, smaller or closer expansion can be observed when compared with specimens made from Type V cement. In regard of weight loss, mortar cube specimens submersed in NS solution at the age of 68 weeks still had no loss in weight for all type of specimens. On the other hand, in MS environment weight losses were rather high for mortar cube specimens made from Type I and Type V cements with fly ash when compared with those made from Type I and Type V cements. However, it was found that weight loss of mortar cube specimens with limestone powder gave closely results to those made from Type I and Type V cements.
Thailand Concrete Association, International Partner Access.
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