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Effect of Calcined Hydrotalcite on Hydration and Mechanical Strength of Cement-Fly Ash Cementitious Material
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Jing XIE1, 2, Xuanhan ZHANG1, 2, Wujian LONG1, 2
Journal of the Chinese Ceramic Society | 2022, 50(2) : 396 - 402
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Journal of the Chinese Ceramic Society | 2022, 50(2): 396-402
• Research Articles •
Effect of Calcined Hydrotalcite on Hydration and Mechanical Strength of Cement-Fly Ash Cementitious Material
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Jing XIE1, 2, Xuanhan ZHANG1, 2, Wujian LONG1, 2
Affiliations
  • 1.College of Civil and Transportation Engineering, Shenzhen University, Shenzhen 518061, Guangdong, China
  • 2.Guangdong Province Key Laboratory of Durability for Marine Civil Engineering, Shenzhen 518061, Guangdong, China

    • XIE Jing (1997-), female, Master candidate. E-mail:

About Author:

XIE Jing (1997-), female, Master candidate. E-mail:

Published: 2022-02-20 doi: 10.14062/j.issn.0454-5648.20210758
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The mechanical properties, hydration process and microstructure characteristics of the calcined hydrotalcite modified cementitious material at different fly ash contents were analyzed. Based on the results by the compressive strength test calcined hydrotalcite can greatly improve the compressive strength of cement-fly ash mortar. The phase composition of hardened cement paste was characterized by X-ray diffractionand and thermogravimetric analysis. The results show that calcined hydrotalcite can promote the hydration of cement-fly ash cementitious materials, thereby increasing the content of hydration products. It is incidiacted that calcined hydrotalcite can accelerate the dissolution of fly ash, and its nucleation effect is beneficial to the formation of hydration products.

calcined hydrotalcite  /  fly ash  /  hydration  /  compressive strength  /  microstructure
解静, 张轩翰, 龙武剑. 焙烧水滑石对水泥-粉煤灰胶凝材料水化及力学性能的影响. 硅酸盐学报, 2022 , 50 (2) : 396 -402 . DOI: 10.14062/j.issn.0454-5648.20210758
Jing XIE, Xuanhan ZHANG, Wujian LONG. Effect of Calcined Hydrotalcite on Hydration and Mechanical Strength of Cement-Fly Ash Cementitious Material[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (2) : 396 -402 . DOI: 10.14062/j.issn.0454-5648.20210758
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Year 2022 volume 50 Issue 2
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Article Info
doi: 10.14062/j.issn.0454-5648.20210758
  • Receive Date：2021-08-31
  • Online Date：2026-10-22
  • Published：2022-02-20
Article Data
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History
  • Received：2021-08-31
  • Revised：2021-10-30
Funding
Affiliations
    1.College of Civil and Transportation Engineering, Shenzhen University, Shenzhen 518061, Guangdong, China
    2.Guangdong Province Key Laboratory of Durability for Marine Civil Engineering, Shenzhen 518061, Guangdong, China

Corresponding:

LONG Wujian (1977-), male, Ph.D., Professor. E-mail:
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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