Early Property Development in Concrete

Gitte Normann; Christian Munch-Petersen

Early Property Development in Concrete

Gitte Normann, Christian Munch-Petersen

Publikation: Konferencebidrag uden forlag/tidsskrift › Paper/skriftligt oplæg › Forskning

Abstract

The Freiesleben Maturity function is widely used for planning of execution. We tested if for concrete with and without fly ash. The test showed surprisingly that the maturity function in general is not valid. We found that curing at high temperature gave a significant decrease in strength. Fly ash appears to reduce this decrease somewhat. We also examined the resistance against chloride penetration for the different concrete types. The resistance was reduced at high temperatures for concrete without fly ash. For concrete with fly ash, it was the opposite; concrete
with fly ash obtained higher resistance by heat curing.

Originalsprog	Engelsk
Publikationsdato	aug. 2014
Antal sider	4
Status	Udgivet - aug. 2014
Begivenhed	XXII Nordic Concrete Research Symposium - Reykjavik, Island Varighed: 13 aug. 2014 → 14 aug. 2014

Konference

Konference	XXII Nordic Concrete Research Symposium
Land	Island
By	Reykjavik
Periode	13/08/14 → 14/08/14

Citationsformater

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title = "Early Property Development in Concrete",

abstract = "The Freiesleben Maturity function is widely used for planning of execution. We tested if for concrete with and without fly ash. The test showed surprisingly that the maturity function in general is not valid. We found that curing at high temperature gave a significant decrease in strength. Fly ash appears to reduce this decrease somewhat. We also examined the resistance against chloride penetration for the different concrete types. The resistance was reduced at high temperatures for concrete without fly ash. For concrete with fly ash, it was the opposite; concretewith fly ash obtained higher resistance by heat curing.",

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TY - CONF

T1 - Early Property Development in Concrete

AU - Normann, Gitte

AU - Munch-Petersen, Christian

PY - 2014/8

Y1 - 2014/8

N2 - The Freiesleben Maturity function is widely used for planning of execution. We tested if for concrete with and without fly ash. The test showed surprisingly that the maturity function in general is not valid. We found that curing at high temperature gave a significant decrease in strength. Fly ash appears to reduce this decrease somewhat. We also examined the resistance against chloride penetration for the different concrete types. The resistance was reduced at high temperatures for concrete without fly ash. For concrete with fly ash, it was the opposite; concretewith fly ash obtained higher resistance by heat curing.

AB - The Freiesleben Maturity function is widely used for planning of execution. We tested if for concrete with and without fly ash. The test showed surprisingly that the maturity function in general is not valid. We found that curing at high temperature gave a significant decrease in strength. Fly ash appears to reduce this decrease somewhat. We also examined the resistance against chloride penetration for the different concrete types. The resistance was reduced at high temperatures for concrete without fly ash. For concrete with fly ash, it was the opposite; concretewith fly ash obtained higher resistance by heat curing.

M3 - Paper

T2 - XXII Nordic Concrete Research Symposium

Y2 - 13 August 2014 through 14 August 2014

ER -