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Volume 15
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10.3390/ma15082958
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Article

Experimental Study on the Effect of Carbonation Reaction on the Properties of Imitation Site Soil

by
Jianwei Yue
1,2,
Xue Yang
1,
Limin Zhao
1,2,*,
Qingmei Kong
1,2,*,
Ying Chen
1,
Xuanjia Huang
1,
Can Ma
1,
Huicong Su
1,
Wenhao Li
1 and
Huijie Gao
1
1
School of Civil Engineering and Architecture, Henan University, Kaifeng 475004, China
2
Key Laboratory for Restoration and Safety Evaluation of Immovable Cultural Relics in Kaifeng City, Kaifeng 475004, China
*
Authors to whom correspondence should be addressed.
Materials 2022, 15(8), 2958; https://doi.org/10.3390/ma15082958
Submission received: 18 March 2022 / Revised: 10 April 2022 / Accepted: 18 April 2022 / Published: 18 April 2022
(This article belongs to the Section Construction and Building Materials)
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Abstract

In this study, sodium methylsilicate and lime were selected to prepare the same proportion of Imitation Site Soil, and according to the principle of carbonation reaction of restoration materials, the effect of carbonation reaction on the performance of restoration soil of earthen sites was studied. The study has good significance for the conservation and restoration of earthen sites. The samples were cured with CO2 concentration and curing age as variables. After curing, the samples were tested to determine their water-resistant properties, uniaxial compressive strength, and pH value and a micro scanning electron microscope was used. The results indicated that the carbonation reaction can quickly improve the water resistance and compressive strength of imitation site soil, and reduced the water absorption by 16.67% compared to the specimens conditioned at 0.03% CO2 concentration. The UCS of specimens at 5%, 10%, and 15% CO2 concentrations increased by 72.22%, 131.19%, and 219.27%, respectively, compared with those at 0.03% CO2 concentration after the specimens were environmentally maintained in the carbonation chamber at 0.03%, 5%, 10%, and 15% CO2 concentrations for 120 h, respectively. The internal particle gradation of the imitation site soil improved after carbonation. These results provide a basis for improving the restoration technology of earthen sites.
Keywords: imitation ruins; carbonation reaction; disintegration; shear strength; particle-size distribution imitation ruins; carbonation reaction; disintegration; shear strength; particle-size distribution

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MDPI and ACS Style

Yue, J.; Yang, X.; Zhao, L.; Kong, Q.; Chen, Y.; Huang, X.; Ma, C.; Su, H.; Li, W.; Gao, H. Experimental Study on the Effect of Carbonation Reaction on the Properties of Imitation Site Soil. Materials 2022, 15, 2958. https://doi.org/10.3390/ma15082958

AMA Style

Yue J, Yang X, Zhao L, Kong Q, Chen Y, Huang X, Ma C, Su H, Li W, Gao H. Experimental Study on the Effect of Carbonation Reaction on the Properties of Imitation Site Soil. Materials. 2022; 15(8):2958. https://doi.org/10.3390/ma15082958

Chicago/Turabian Style

Yue, Jianwei, Xue Yang, Limin Zhao, Qingmei Kong, Ying Chen, Xuanjia Huang, Can Ma, Huicong Su, Wenhao Li, and Huijie Gao. 2022. "Experimental Study on the Effect of Carbonation Reaction on the Properties of Imitation Site Soil" Materials 15, no. 8: 2958. https://doi.org/10.3390/ma15082958

APA Style

Yue, J., Yang, X., Zhao, L., Kong, Q., Chen, Y., Huang, X., Ma, C., Su, H., Li, W., & Gao, H. (2022). Experimental Study on the Effect of Carbonation Reaction on the Properties of Imitation Site Soil. Materials, 15(8), 2958. https://doi.org/10.3390/ma15082958

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