The influence of binder/aggregate ratio on the pore properties and strength of repair mortars

B. Szemerey-Kiss, A. Török, S. Siegesmund

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Repair mortars with different B/Ag (binder/aggregate) ratios and natural stone were studied in order to understand the influence of limestone aggregate on the properties of mortar and to check the compatibility of repair mortar with a porous limestone. Three different types of mortars with three different aggregate contents were evaluated by using mercury intrusion porosimetry (MIP) and water saturation method (WSM). Changes in density and uniaxial compressive strength as a function of aggregate content were also recorded. For comparison the properties of the porous limestone were also tested, since it is used in monuments and also as aggregate in the mortar. Tested mortars had average porosities of 27.0 % (±2.0), while oolitic limestone has higher average porosity of 32.2 % (±1.9). The limestone has mainly medium and large pore radii (1-100 μm) while the repair mortars even with high aggregate content has predominantly smaller pores. All but one pure repair mortars have higher uniaxial compressive strength than that of the oolitic limestone. The strength decreases while porosity increases with increasing aggregate content.

Original languageEnglish
Pages (from-to)1439-1449
Number of pages11
JournalEnvironmental Earth Sciences
Volume69
Issue number4
DOIs
Publication statusPublished - Jun 2013

Fingerprint

mortar
Mortar
limestone
repair
Binders
Calcium Carbonate
Repair
Limestone
porosity
Porosity
compressive strength
Compressive strength
mercury
monument
Mercury
saturation
Water
water

Keywords

  • Binder/aggregate ratio
  • Compatibility
  • Limestone
  • Mortar
  • Porosity
  • Water absorption

ASJC Scopus subject areas

  • Earth-Surface Processes
  • Geology
  • Global and Planetary Change
  • Pollution
  • Water Science and Technology
  • Environmental Chemistry
  • Soil Science

Cite this

The influence of binder/aggregate ratio on the pore properties and strength of repair mortars. / Szemerey-Kiss, B.; Török, A.; Siegesmund, S.

In: Environmental Earth Sciences, Vol. 69, No. 4, 06.2013, p. 1439-1449.

Research output: Contribution to journalArticle

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