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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Hasholt, Marianne Tange
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2024Towards Extending the Range of Supplementary Cementitious Materials in ASR Regulations
- 2024Laboratory and field investigations of alkali-silica reaction prevention by supplementary cementitious materials:Influence of the free alkali loadingcitations
- 2023Pore solution alkalinity of cement paste as determined by Cold Water Extractioncitations
- 2023Pore solution alkalinity of cement paste as determined by Cold Water Extractioncitations
- 2023Relationship between Chloride Migration, Bulk Electrical Conductivity and Formation Factor of Blended Cement Pastescitations
- 2023Cold Water Extraction for determination of the free alkali metal content in blended cement pastescitations
- 2023Cold Water Extraction for determination of the free alkali metal content in blended cement pastescitations
- 2022Predicting the effect of SCMs on ASR in the accelerated mortar bar test with artificial neural networks
- 2022Predicting the effect of SCMs on ASR in the accelerated mortar bar test with artificial neural networks
- 2022Nordic Concrete Research workshop: “Accelerated freeze-thaw testing of concrete”, Lyngby, 20<sup>th</sup> April 2022citations
- 2020Air void analysis of hardened concrete without colour enhancementcitations
- 2016Frost damage of concrete subject to confinement
- 2015Superabsorbent Polymers as a Means of Improving Frost Resistance of Concretecitations
- 2005The effect of form pressure on the air void structure of SCC
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document
The effect of form pressure on the air void structure of SCC
Abstract
The high workability of self-compacting concrete (SCC) invites to high casting rates. However, casting walls at high rate may result in large pressure at the bottom of the form and subsequently compression of the air voids. This paper deals with the influence of hydrostatic pressure during setting on the air void structure of hardened, air entrained SCC.The subject was examined through laboratory investigations of SCC with two different amounts of air entrainment. The condition in the form was simulated by using containers making it possible to cure concrete under various pressures corresponding to the bottom of castings of 0, 2, 4, and 6 meters height. The laboratory investigations were supplemented with data from two full-scale wall castings. The air void structure of the hardened concretes was determined on plane sections.The results indicate that the pressure related changes of the air void structure may be estimated by using Boyle-Mariottes law. However, other conditions such as the form filling method might influence.