Durability of High Alumina Cement mortars for the marine environment

N. Baker, P.F.G. Banfill

Research output: Contribution to journalArticle

Abstract

High-alumina cement (HAC) mortars, made at 5, 20, and 40 C, were mixed using seawater, deionized water, and reconstituted seawater. The admixtures used were an accelerator, superplasticizer, antiwashout, air-entraining and waterproofing admixtures, and an ethylene-vinyl acetate (EVA) polymer latex dispersion. Results on short-term (1 year) durability against freezing and thawing and wetting and drying in all three waters are presented and compared to the performance of the same combination over 3 years at a maritime exposure site. The samples with polymer latex performed poorly in most tests, while the control and samples with accelerator and superplasticizer performed well in both laboratory exposure conditions and on the maritime site. Temperature of mixing and curing is very important in both the early and long-term performance of HAC, but the interactions between the effects of admixtures and conditions mean that it is obligatory to carry out durability tests on any proposed combination before a decision is made regarding materials selection.
Original languageEnglish
Pages (from-to)409-422
Number of pages13
JournalProceedings of 3rd International Conference, Nice, 1994, American Concrete Institute SP-145
Publication statusPublished - 1994
EventThird International Conference on the Durability of Concrete - Nice, France
Duration: 1 Jan 1994 → …

Fingerprint

mortar
durability
aluminum oxide
marine environment
cement
polymer
waterproofing
seawater
thawing
wetting
ethylene
freezing
acetate
water
air
temperature
test
exposure
laboratory
drying

Keywords

  • high alumina cement
  • durability
  • freeze thaw
  • wet dry concrete
  • architecture
  • admixtures
  • marine atmospheres
  • mortars (material)
  • seawater
  • temperature
  • tests
  • materials research

Cite this

Baker, N., & Banfill, P. F. G. (1994). Durability of High Alumina Cement mortars for the marine environment. Proceedings of 3rd International Conference, Nice, 1994, American Concrete Institute SP-145, 409-422.
Baker, N. ; Banfill, P.F.G. / Durability of High Alumina Cement mortars for the marine environment. In: Proceedings of 3rd International Conference, Nice, 1994, American Concrete Institute SP-145. 1994 ; pp. 409-422.
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Baker, N & Banfill, PFG 1994, 'Durability of High Alumina Cement mortars for the marine environment', Proceedings of 3rd International Conference, Nice, 1994, American Concrete Institute SP-145, pp. 409-422.

Durability of High Alumina Cement mortars for the marine environment. / Baker, N.; Banfill, P.F.G.

In: Proceedings of 3rd International Conference, Nice, 1994, American Concrete Institute SP-145, 1994, p. 409-422.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Durability of High Alumina Cement mortars for the marine environment

AU - Baker, N.

AU - Banfill, P.F.G.

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AB - High-alumina cement (HAC) mortars, made at 5, 20, and 40 C, were mixed using seawater, deionized water, and reconstituted seawater. The admixtures used were an accelerator, superplasticizer, antiwashout, air-entraining and waterproofing admixtures, and an ethylene-vinyl acetate (EVA) polymer latex dispersion. Results on short-term (1 year) durability against freezing and thawing and wetting and drying in all three waters are presented and compared to the performance of the same combination over 3 years at a maritime exposure site. The samples with polymer latex performed poorly in most tests, while the control and samples with accelerator and superplasticizer performed well in both laboratory exposure conditions and on the maritime site. Temperature of mixing and curing is very important in both the early and long-term performance of HAC, but the interactions between the effects of admixtures and conditions mean that it is obligatory to carry out durability tests on any proposed combination before a decision is made regarding materials selection.

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KW - temperature

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Baker N, Banfill PFG. Durability of High Alumina Cement mortars for the marine environment. Proceedings of 3rd International Conference, Nice, 1994, American Concrete Institute SP-145. 1994;409-422.