Detail publikace

Numerical Analysis of Shrinkage Process Based on Experimental Data

KUCHARCZYKOVÁ, B. ŠIMONOVÁ, H. FRANTÍK, P. KOCÁB, D.

Originální název

Numerical Analysis of Shrinkage Process Based on Experimental Data

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

This paper focuses on the comparison of experimentally obtained data with the shrinkage model B4 designed by a research group led by Professor Z. P. Bažant. Two cementitious materials, one having a high water-cement ratio (w/c) and one having a low w/c, were prepared for the experiment. Intentionally, the test specimens were not protected from drying during the entire period of measurement. Test results confirmed that the actual shrinkage process as measured does not correspond with the prediction model, especially during its early age. Shrinkage during the plastic and semi-plastic stages of the solidification process is not reflected in the predicted shrinkage curve. However, if the start time of the evaluation of the experimental data corresponds to the time of maximum derivatives of the temperature, length changes, and ultrasonic pulse velocity curves, better correspondence between the experiment and prediction model is observed for material with a low w/c. However, this approach does not improve the correspondence between the experiment and numerical prediction in the case of material with a high w/c.

Klíčová slova

cementitious; shrinkage; mass losses; ultrasonic pulse velocity; experiment; numerical model B4; prediction.

Autoři

KUCHARCZYKOVÁ, B.; ŠIMONOVÁ, H.; FRANTÍK, P.; KOCÁB, D.

Vydáno

30. 10. 2020

Nakladatel

American Concrete Institute

Místo

United States

ISSN

0889-325X

Periodikum

ACI MATERIALS JOURNAL

Ročník

117

Číslo

5

Stát

Spojené státy americké

Strany od

39

Strany do

49

Strany počet

11

URL

https://www.concrete.org/publications/internationalconcreteabstractsportal.aspx?m=details&ID=51724622

BibTex

@article{BUT161193,
  author="Barbara {Kucharczyková} and Hana {Šimonová} and Petr {Frantík} and Dalibor {Kocáb}",
  title="Numerical Analysis of Shrinkage Process Based on Experimental Data",
  journal="ACI MATERIALS JOURNAL",
  year="2020",
  volume="117",
  number="5",
  pages="39--49",
  doi="10.14359/51724622",
  issn="0889-325X",
  url="https://www.concrete.org/publications/internationalconcreteabstractsportal.aspx?m=details&ID=51724622"
}