Publication detail

Evaluation of Shrinkage, Mass Changes and Fracture Properties of Fine-aggregate Cement-based Composites during Ageing

KUCHARCZYKOVÁ, B. ŠIMONOVÁ, H. KERŠNER, Z. DANĚK, P. KOCÁB, D. MISÁK, P. PŐSSL, P.

Original Title

Evaluation of Shrinkage, Mass Changes and Fracture Properties of Fine-aggregate Cement-based Composites during Ageing

Type

conference paper

Language

English

Original Abstract

The paper deals with the experimental determination of relative length changes development during cement based composite ageing. Special moulds with the dimensions 100 × 60 × 1000 mm were used for the measurements. These moulds were filled and placed on an advanced weighing table that enables continuous recording of mass losses caused by free drying of the specimen surface. In this way, the mass losses and changes in the length of the cement composite in the moulds were measured simultaneously. The shrinkage moulds were modified in order to measure also the long-term relative deformation of fine-aggregate concrete specimens as a result of drying. The outputs of the measurement are given in the form of the diagrams displaying the relationship between the relative length changes or the mass losses and the time of cement composites ageing. Besides the measurement of length changes, three-point bending fracture tests at the age of 3 and 28 days were also performed. The modulus elasticity, effective fracture toughness and specific fracture energy values were determined from load versus deflection diagrams recorded during fracture experiments on the specimens with dimensions 40 × 40 × 160 mm.

Keywords

cement composite; volume changes; shrinkage; mass loss; fracture test

Authors

KUCHARCZYKOVÁ, B.; ŠIMONOVÁ, H.; KERŠNER, Z.; DANĚK, P.; KOCÁB, D.; MISÁK, P.; PŐSSL, P.

Released

2. 6. 2017

Publisher

Elsevier

Location

Netherlands

ISBN

1877-7058

Periodical

Procedia Engineering

Year of study

190

Number

2017

State

Kingdom of the Netherlands

Pages from

357

Pages to

364

Pages count

8

URL

http://www.sciencedirect.com/science/article/pii/S187770581732489X

Full text in the Digital Library

http://hdl.handle.net/11012/69321

BibTex

@inproceedings{BUT136610,
  author="Barbara {Kucharczyková} and Hana {Šimonová} and Zbyněk {Keršner} and Petr {Daněk} and Dalibor {Kocáb} and Petr {Misák} and Petr {Pössl}",
  title="Evaluation of Shrinkage, Mass Changes and Fracture Properties of Fine-aggregate Cement-based Composites during Ageing",
  booktitle="Procedia Engineering",
  year="2017",
  journal="Procedia Engineering",
  volume="190",
  number="2017",
  pages="357--364",
  publisher="Elsevier",
  address="Netherlands",
  doi="10.1016/j.proeng.2017.05.349",
  issn="1877-7058",
  url="http://www.sciencedirect.com/science/article/pii/S187770581732489X"
}