| Issue |
E3S Web Conf.
Volume 358, 2022
5th International Conference on Green Energy and Sustainable Development (GESD 2022)
|
|
|---|---|---|
| Article Number | 02042 | |
| Number of page(s) | 4 | |
| Section | Regular Contributions | |
| DOI | https://doi.org/10.1051/e3sconf/202235802042 | |
| Published online | 27 October 2022 | |
Mix-ratio optimization for air-tight tunnel concrete
1 CCCC-SHEC Meng Xing Engineering Co., Ltd., Xi’an 710076, China
2 State Key Laboratory of Green Building Materials, China Building Materials Academy, Beijing 100024, China
* Corresponding author: 244692606@qq.com
In this paper, we studied the effect of fly ash and mix ratio on the compressive strength of air-tight concrete, the introduced fly ash would decrease the early compressive strength of concrete. With curing age increasing, the gape in the compressive strength between concrete without fly ash and concrete containing fly ash is decreasing. Moreover, concrete containing fly ash showed smaller air permeability, the introduced fly ash improved the airtightness of concrete.
© The Authors, published by EDP Sciences, 2022
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