A study of early-age ordinary portland cement hydration according to autocatalytic reaction model

Tapio Vehmas, Anna Kronlöf

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Early-age hydration of Ordinary Portland Cement was studied with semi-adiabatic calorimeter in the presence of limestone and calcium-silicate-hydrate (C-S-H) coated limestone. The calorimetric data was analyzed as an autocatalytic reaction. Early age hydration followed the principles of autocatalytic reaction and the rate controlling phase was the initially nucleated C-S-H. Addition of limestone did not increase it, whereas C-S-H coated limestone had a massive impact to the hydration reaction.
Original languageEnglish
Pages (from-to)269-272
JournalNordic Concrete Research
Volume43
Publication statusPublished - 2011
MoE publication typeA1 Journal article-refereed
EventXXI Nordic Concrete Research Symposium - Hotel Rantasipi Aulanko, Hämeenlinna, Finland
Duration: 30 May 20111 Jun 2011

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hydration
cement
limestone
silicate
calcium

Keywords

  • early-age hydration
  • seeding
  • autocatalytic reaction
  • calorimeter

Cite this

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title = "A study of early-age ordinary portland cement hydration according to autocatalytic reaction model",
abstract = "Early-age hydration of Ordinary Portland Cement was studied with semi-adiabatic calorimeter in the presence of limestone and calcium-silicate-hydrate (C-S-H) coated limestone. The calorimetric data was analyzed as an autocatalytic reaction. Early age hydration followed the principles of autocatalytic reaction and the rate controlling phase was the initially nucleated C-S-H. Addition of limestone did not increase it, whereas C-S-H coated limestone had a massive impact to the hydration reaction.",
keywords = "early-age hydration, seeding, autocatalytic reaction, calorimeter",
author = "Tapio Vehmas and Anna Kronl{\"o}f",
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journal = "Nordic Concrete Research",
issn = "0800-6377",
publisher = "Norsk Betongforening",

}

A study of early-age ordinary portland cement hydration according to autocatalytic reaction model. / Vehmas, Tapio; Kronlöf, Anna.

In: Nordic Concrete Research, Vol. 43, 2011, p. 269-272.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - A study of early-age ordinary portland cement hydration according to autocatalytic reaction model

AU - Vehmas, Tapio

AU - Kronlöf, Anna

N1 - Project code: 23354

PY - 2011

Y1 - 2011

N2 - Early-age hydration of Ordinary Portland Cement was studied with semi-adiabatic calorimeter in the presence of limestone and calcium-silicate-hydrate (C-S-H) coated limestone. The calorimetric data was analyzed as an autocatalytic reaction. Early age hydration followed the principles of autocatalytic reaction and the rate controlling phase was the initially nucleated C-S-H. Addition of limestone did not increase it, whereas C-S-H coated limestone had a massive impact to the hydration reaction.

AB - Early-age hydration of Ordinary Portland Cement was studied with semi-adiabatic calorimeter in the presence of limestone and calcium-silicate-hydrate (C-S-H) coated limestone. The calorimetric data was analyzed as an autocatalytic reaction. Early age hydration followed the principles of autocatalytic reaction and the rate controlling phase was the initially nucleated C-S-H. Addition of limestone did not increase it, whereas C-S-H coated limestone had a massive impact to the hydration reaction.

KW - early-age hydration

KW - seeding

KW - autocatalytic reaction

KW - calorimeter

M3 - Article

VL - 43

SP - 269

EP - 272

JO - Nordic Concrete Research

JF - Nordic Concrete Research

SN - 0800-6377

ER -