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REVISTA DE CHIMIE
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https://doi.org/10.37358/Rev.Chim.1949

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Revista de Chimie (Rev. Chim.), Year 2021, Volume 72, Issue 2, 27-37

https://doi.org/10.37358/RC.21.2.8417

Yang Li, Zhendi Wang, Ling Wang

Maleic Rosin-based Gemini Surfactant as Air Entraining Agent for Concrete under Low Air Pressure

Abstract:

The effectiveness of Air entraining agent (AEA) in concrete under low air pressure in the plateau area decreased. A type of new AEA, named MRE was synthesized to increase bubbles' stability in fresh concrete under low air pressure. The performance of MRE solution and concrete with MRE were tested under 60 kPa and 100 kPa compared with commercially gemini AEA (DCC). The test results showed that the foam volume of MRE and DCC solution under 60 kPa was reduced by 3% and 9% than under 100 kPa. The bubble liquid film strength of MRE is 63% higher than that of DCC. For concrete with MRE and DCC under 60 kPa, the air content was 2% and 16% lower, the relative dynamic modulus of concrete reduced by 6% and 15%, and the bubble spacing factor under 60 kPa increased by 17% and 39% respectively compared with that under 100 kPa. MRE can increase the freeze-thaw resistance of concrete under low air pressure without affecting concrete strength and is suitable for high altitude concrete.
Keywords:
air-entraining agent; gemini surfactant; bubble film; low air pressure; pore structure

Issue: 2021, Volume 72, Issue 2
Pages: 27-37
Publication date: 2021/5/7
https://doi.org/10.37358/RC.21.2.8417
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Creative Commons License
This article is published under the Creative Commons Attribution 4.0 International License
Citation Styles
Cite this article as:
LI, Y., WANG, Z., WANG, L., Maleic Rosin-based Gemini Surfactant as Air Entraining Agent for Concrete under Low Air Pressure, Rev. Chim., 72(2), 2021, 27-37.

Vancouver
Li Y, Wang Z, Wang L. Maleic Rosin-based Gemini Surfactant as Air Entraining Agent for Concrete under Low Air Pressure. Rev. Chim.[internet]. 2021 Feb;72(2):27-37. Available from: https://doi.org/10.37358/RC.21.2.8417


APA 6th edition
Li, Y., Wang, Z. & Wang, L. (2021). Maleic Rosin-based Gemini Surfactant as Air Entraining Agent for Concrete under Low Air Pressure. Revista de Chimie, 72(2), 27-37. https://doi.org/10.37358/RC.21.2.8417


Harvard
Li, Y., Wang, Z., Wang, L. (2021). 'Maleic Rosin-based Gemini Surfactant as Air Entraining Agent for Concrete under Low Air Pressure', Revista de Chimie, 72(2), pp. 27-37. https://doi.org/10.37358/RC.21.2.8417


IEEE
Y. Li, Z. Wang, L. Wang, "Maleic Rosin-based Gemini Surfactant as Air Entraining Agent for Concrete under Low Air Pressure". Revista de Chimie, vol. 72, no. 2, pp. 27-37, 2021. [online]. https://doi.org/10.37358/RC.21.2.8417


Text
Yang Li, Zhendi Wang, Ling Wang,
Maleic Rosin-based Gemini Surfactant as Air Entraining Agent for Concrete under Low Air Pressure,
Revista de Chimie,
Volume 72, Issue 2,
2021,
Pages 27-37,
ISSN 2668-8212,
https://doi.org/10.37358/RC.21.2.8417.
(https://revistadechimie.ro/Articles.asp?ID=8417)
Keywords: air-entraining agent; gemini surfactant; bubble film; low air pressure; pore structure


RIS
TY - JOUR
T1 - Maleic Rosin-based Gemini Surfactant as Air Entraining Agent for Concrete under Low Air Pressure
A1 - Li, Yang
A2 - Wang, Zhendi
A3 - Wang, Ling
JF - Revista de Chimie
JO - Rev. Chim.
PB - Revista de Chimie SRL
SN - 2668-8212
Y1 - 2021
VL - 72
IS - 2
SP - 27
EP - 37
UR - https://doi.org/10.37358/RC.21.2.8417
KW - air-entraining agent
KW - gemini surfactant
KW - bubble film
KW - low air pressure
KW - pore structure
ER -


BibTex
@article{RevCh2021P27,
author = {Li Yang and Wang Zhendi and Wang Ling},
title = {Maleic Rosin-based Gemini Surfactant as Air Entraining Agent for Concrete under Low Air Pressure},
journal = {Revista de Chimie},
volume = {72},
number = {2},
pages = {27-37},
year = {2021},
issn = {2668-8212},
doi = {https://doi.org/10.37358/RC.21.2.8417},
url = {https://revistadechimie.ro/Articles.asp?ID=8417}
}
 
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