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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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Simple Analytical Model for Formwork Design of Self-Consolidating Concrete

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Title
Simple Analytical Model for Formwork Design of Self-Consolidating Concrete
Author
Kim, Jae HongBeacraft, Mark W.Kwon, Seung HeeShah, Surendra P.
Keywords
Formwork; Placement; Self-consolidating Concrete
Issue Date
2011-01
Publisher
AMER CONCRETE INST
Citation
ACI MATERIALS JOURNAL, v.108, no.1, pp.38 - 45
Abstract
Self-consolidating concrete (SCC) is a recently developed innovative construction material. No additional compacting is needed because of its high filling ability; consequently, the labor cost of compacting is economical. SCC, however, needs a stronger formwork that can resist the higher lateral pressure of cases that use ordinary concrete. This study uses the proposed two-function model to: 1) characterize the pressure response of a fresh SCC mixture; and 2) evaluate the maximum pressure that develops on the formwork. Various SCC compositions were experimented with to show the validity of the evaluation. The experimental results and analytical interpretation suggest that the maximum lateral pressure allowed in the design of the SCC formwork could be determined from two parameters that depend on the placement rate and the duration of the placement.
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ISSN
0889-325X
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UEE_Journal Papers
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