Issue |
MATEC Web Conf.
Volume 238, 2018
International Conference on Novel Functional Materials (ICNFM2018)
|
|
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Article Number | 02009 | |
Number of page(s) | 4 | |
Section | Composite, Oxide and Ultrafine Materials | |
DOI | https://doi.org/10.1051/matecconf/201823802009 | |
Published online | 26 November 2018 |
Research on the Optimal Combination of Concrete Aggregates Based on Bolomey Equation
1
School of Civil & Architecture Engineering, Xi'an Technological University, Xi'an, 710021, China
2
School of Civil Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, China
* Corresponding author: ship_wang2955@sina.com.
Concrete mixture with high density is one of the important guarantees for its high strength, especially the gradation combination of coarse or fine aggregate. In order to overcome the deficient market supply of sand and gravel for meeting the need of high strength concrete and special concrete, based on the Bolomey equation, combining with the corresponding regulations and grading requirements of the concrete aggregates in the current CHINA standards as follows: Standard for technical requirements and test method of sand and crushed stone (or gravel) for ordinary concrete (JGJ 52), Sand for construction (GB/T 14684), Pebble and crushed stone for construction (GB/T 14685), establish a set of practical numerical calculation methods of the optimal combination on the continuous gradation of concrete aggregates. After concretepreparation test verification, with the optimal combination of Aggregates, concrete mix proportion is easy to determine with higher guarantee rate, its strength can be raised up to 20% with better durability.
© The Authors, published by EDP Sciences, 2018
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