Details
| Titel in Übersetzung | Stability of flowable concrete - Conception and testing |
|---|---|
| Originalsprache | Deutsch |
| Seiten (von - bis) | 316-323 |
| Seitenumfang | 8 |
| Fachzeitschrift | BAUTECHNIK |
| Jahrgang | 95 |
| Ausgabenummer | 4 |
| Publikationsstatus | Veröffentlicht - 6 Apr. 2018 |
Abstract
Stability of flowable concrete – conception and testing. Especially in difficult moulding situation it is necessary to apply flowable concrete. However, with an increase in flowability the risk of segregation increases. Thus stability gains in importance in case of compaction and has to be considered in design like flowability. In contrast to Self-Compacting Concrete (SCC) neither models and strategies exist to describe and ensure stability in design of concrete nor performance-tests are available to assess stability. The current article describes concepts how stability of concrete can be integrated in mixture design. There for, the different proportions of granular particles (aggregates), flowable component (paste), their properties and interaction under vibration are described. Furthermore refined test methods from SCC are introduced to assess sedimentation of concrete under vibration.
Schlagwörter
- Building materials, flowable concrete, lattice effect, rheology, sedimentation, stability, water balance
ASJC Scopus Sachgebiete
- Ingenieurwesen (insg.)
- Tief- und Ingenieurbau
- Ingenieurwesen (insg.)
- Bauwesen
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in: BAUTECHNIK, Jahrgang 95, Nr. 4, 06.04.2018, S. 316-323.
Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review
}
TY - JOUR
T1 - Mischungsstabilität fließfähiger Betone
T2 - Konzeption und Prüfung
AU - Begemann, Christoph
AU - Cotardo, Dario
AU - Lohaus, Ludger
N1 - Publisher Copyright: Copyright © 2018 Ernst & Sohn Verlag für Architektur und technische Wissenschaften GmbH & Co. KG, Berlin Copyright: Copyright 2018 Elsevier B.V., All rights reserved.
PY - 2018/4/6
Y1 - 2018/4/6
N2 - Stability of flowable concrete – conception and testing. Especially in difficult moulding situation it is necessary to apply flowable concrete. However, with an increase in flowability the risk of segregation increases. Thus stability gains in importance in case of compaction and has to be considered in design like flowability. In contrast to Self-Compacting Concrete (SCC) neither models and strategies exist to describe and ensure stability in design of concrete nor performance-tests are available to assess stability. The current article describes concepts how stability of concrete can be integrated in mixture design. There for, the different proportions of granular particles (aggregates), flowable component (paste), their properties and interaction under vibration are described. Furthermore refined test methods from SCC are introduced to assess sedimentation of concrete under vibration.
AB - Stability of flowable concrete – conception and testing. Especially in difficult moulding situation it is necessary to apply flowable concrete. However, with an increase in flowability the risk of segregation increases. Thus stability gains in importance in case of compaction and has to be considered in design like flowability. In contrast to Self-Compacting Concrete (SCC) neither models and strategies exist to describe and ensure stability in design of concrete nor performance-tests are available to assess stability. The current article describes concepts how stability of concrete can be integrated in mixture design. There for, the different proportions of granular particles (aggregates), flowable component (paste), their properties and interaction under vibration are described. Furthermore refined test methods from SCC are introduced to assess sedimentation of concrete under vibration.
KW - Building materials
KW - flowable concrete
KW - lattice effect
KW - rheology
KW - sedimentation
KW - stability
KW - water balance
UR - http://www.scopus.com/inward/record.url?scp=85044290568&partnerID=8YFLogxK
U2 - 10.1002/bate.201800017
DO - 10.1002/bate.201800017
M3 - Artikel
AN - SCOPUS:85044290568
VL - 95
SP - 316
EP - 323
JO - BAUTECHNIK
JF - BAUTECHNIK
SN - 0932-8351
IS - 4
ER -