Methods for determining the water and cement content of fresh concrete
β Scribed by Williamson
- Book ID
- 112761863
- Publisher
- Springer
- Year
- 1985
- Tongue
- English
- Weight
- 102 KB
- Volume
- 18
- Category
- Article
- ISSN
- 1871-6873
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π SIMILAR VOLUMES
1560-1500 cm.-' and 1350-1300 cm.-l as the frequencies of the C-NO, valence vibrations in aromatic compounds, and comments that absorption bands in the low-frequency region are to be expected from skeletal vibrations and from deformation modes involving the R-NO, group. In an examination of fifty-si
This paper presents a rapid (15 minutes or less) method for determining the water content of fresh concrete by using a microwave oven. By combining this information with the cement content used, the water to cement ratio can be obtained. The microwave oven was also used successfully to determine na