| Issue |
MATEC Web of Conferences
Volume 22, 2015
International Conference on Engineering Technology and Application (ICETA 2015)
|
|
|---|---|---|
| Article Number | 05017 | |
| Number of page(s) | 7 | |
| Section | Chemical and Industrial Technology | |
| DOI | https://doi.org/10.1051/matecconf/20152205017 | |
| Published online | 09 July 2015 | |
A New Method of Rapid Measurement Representing the Workability of Roller Compacted Concrete and the Application
1 Sinohydro Bureau 7 Co., Ltd., Chengdu, Sichuan, China
2 College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing, Jiangsu, China
* Corresponding author: 270743130@qq.com
A new test method using moisture rate to represent workability indicators of dry-hard mixture is introduced in order to test the control indicators of VC value in the construction of roller compacted concrete rapidly. In view of the complexity of the impact of proportional difference on VC value and moisture rate, this paper carries out field tests of roller compacted concrete in Guoduo hydropower station of Tibet. A simplified linear quantitative model formula of VC value and moisture rate at the construction site is established based on determined aggregate grading, admixture, additive type and the amount of admixture of roller compacted concrete mixture, providing conditions for the rapid and accurate measurement of construction quality indicators of roller compacted concrete.
Key words: roller compacted concrete / VC value / moisture rate / test method
© Owned by the authors, published by EDP Sciences, 2015
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