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Volume 42, Issue 152
September 1990
Magazine of Concrete Research Cover Image for Volume 42, Issue 152
Research Article| September 01 1990

Modification of the two-point workability apparatus

O. H. Wallevik;
O. H. Wallevik
The Norwegian Institute of Technology-NTH
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O. E. Gjørv
O. E. Gjørv
The Norwegian Institute of Technology-NTH
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Author & Article Information
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The Norwegian Institute of Technology-NTH, Division of Building Materials, N–7034 Trondheim-NTH, Norway.

Publisher: Emerald Publishing
Online ISSN: 1751-763X
Print ISSN: 0024-9831
© 1990 Thomas Telford Ltd
1990
Magazine of Concrete Research (1990) 42 (152): 135–142.
https://doi.org/10.1680/macr.1990.42.152.135

There were two main problems with the original two-point workability test apparatus—segregation of the concrete during testing, and difficulties in operating the equipment. Based on the modification of the apparatus described in this Paper, it appears that reliable rheological information on fresh concrete properties can be obtained; also, the susceptibility of the mix to concrete segregation can be quantified.

Keywords: concrete
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© 1990 Thomas Telford Ltd
1990
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