| Issue |
E3S Web Conf.
Volume 283, 2021
2021 3rd International Conference on Civil, Architecture and Urban Engineering (ICCAUE 2021)
|
|
|---|---|---|
| Article Number | 01004 | |
| Number of page(s) | 4 | |
| Section | Research on Civil Engineering and Geotechnical Hydrological Structure | |
| DOI | https://doi.org/10.1051/e3sconf/202128301004 | |
| Published online | 07 July 2021 | |
A new type of inorganic binder curing agent for soft soil
1 CCCC Tianjin Port Engineering Institute Ltd., Tianjin, 300222, China
2 Key Laboratory of Geotechnical Engineering, Ministry of Communications, Tianjin, 300222, China
3 Key Laboratory of Geotechnical Engineering of Tianjin, Tianjin, 300222, China
4 CCCC First Harbor Engineering Company Ltd., Tianjin, 300461, China
* Corresponding author: zhengairong@tpei.com
Aiming at the defects of traditional curing agent in strengthening soft clay, a new type of inorganic binder type soil curing agent has been developed. Compared with P.O 42.5 cement, the new soil stabilizer has smaller fineness and larger specific surface area. The strength of the soil solidified by the new curing agent is lower at the initial stage, but it increases rapidly after 24 hours. When the dosage is 10%, the 28-day strength of the soil solidified by the new curing agent is 2.1 times that of the soil solidified by cement. The soil solidified by the new curing agent can form more calcium hydroxide crystals and hydrated calcium silicate gel with more compact structure. After solidification, there are fewer fine particles in the soil.
© The Authors, published by EDP Sciences, 2021
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