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Kim, Jae Hong
Research Group for Concrete Structures and Materials
Research Interests
  • Mechanics of Concrete, Rheology, Structural Analysis, Construction Performance
  • Rheological investigation for the flow of fresh concrete
  • Multiscale material characterization of suspension

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Intrinsic Model to Predict Formwork Pressure

Cited 12 times inthomson ciCited 11 times inthomson ci
Title
Intrinsic Model to Predict Formwork Pressure
Author
Kwon, Seung HeeShah, Surendra P.Quoc Tri PhungKim, Jae HongLee, Yun
Keywords
Formwork pressure; Intrinsic model; Self-consolidating concrete
Issue Date
2010-01
Publisher
AMER CONCRETE INST
Citation
ACI MATERIALS JOURNAL, v.107, no.1, pp.20 - 26
Abstract
Formwork pressure depends on many factors. Some are related to the intrinsic characteristics of concrete while others are extrinsic factors related to the external environment and formwork conditions. In this study, a model is proposed to simulate the change of formwork pressure over time due solely to the effect of the intrinsic material characteristics. In addition, a new apparatus was devised to measure the formwork pressure in isolation from the extrinsic factors. Tests were performed using three mixtures: cement paste (CP), ordinary concrete (OC), and self-consolidating concrete (SCC). The formwork pressures predicted and measured in the experiment are compared considering discrete and continuous casting situations. From the comparison, it is verified that the proposed model can predict the response of the lateral pressure with respect to a time-varying vertical pressure.
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ISSN
0889-325X
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UEE_Journal Papers
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