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Preparation and Mechanical Properties Improvement Mechanism of High Strength Pregelatinized Sticky Rice-Lime Mortar
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Zejie CAO1, Jianhong LU1, Yunhua ZHANG1, 2
Journal of the Chinese Ceramic Society | 2022, 50(8) : 2119 - 2128
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Journal of the Chinese Ceramic Society | 2022, 50(8): 2119-2128
• Research Articles •
Preparation and Mechanical Properties Improvement Mechanism of High Strength Pregelatinized Sticky Rice-Lime Mortar
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Zejie CAO1, Jianhong LU1, Yunhua ZHANG1, 2
Affiliations
  • 1.School of Materials and Chemical Engineering, Hubei University of Technology, Wuhan 430064, China
  • 2.Guangxi Key Laboratory of New Energy and Building Energy Saving Guilin University of Technology, Guilin 541000, Guangxi, China

    • CAO Zejie (2000-), male, Undergraduate. E-mail:

About Author:

CAO Zejie (2000-), male, Undergraduate. E-mail:

Published: 2022-08-20 doi: 10.14062/j.issn.0454-5648.20210986
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To improve the mechanical properties of conventional sticky rice-lime mortar, high strength pregelatinized sticky rice-lime mortar (HPR-LM) was modified with a pregelatinized sticky rice via accelerated carbonation. The effects of mass fraction of pregelatinized sticky rice and water-solid ratio on the carbonation properties of HPR-LM were investigated. The results show that the maximum carbonation reaction degree of HPR-LM with sufficient water and larger porosity can be obtained at a water-solid ratio of 0.3. The change of conductivity and pH value of saturated Ca(OH)2 solution slows down, and the temperature increase of HPR-LM reduces due to the action of pregelatinized sticky rice, thus retarding the carbonation of HPR-LM. CaCO3 precipitation forms fusiform calcite on the template of molecular chain of pregelatinized sticky rice. The compressive strength of HPR-LM with 3% pregelatinized sticky rice is 56.8% higher than that of pure lime mortar, and calcite grain reaches the minimum size and the density of HPR-LM becomes the maximum value.

sticky rice-lime mortar  /  pregelatinized sticky rice  /  accelerated carbonation  /  mechanical properties
曹泽杰, 陆建鸿, 张运华. 高强预糊化糯米灰浆制备与力学性能提升机制. 硅酸盐学报, 2022 , 50 (8) : 2119 -2128 . DOI: 10.14062/j.issn.0454-5648.20210986
Zejie CAO, Jianhong LU, Yunhua ZHANG. Preparation and Mechanical Properties Improvement Mechanism of High Strength Pregelatinized Sticky Rice-Lime Mortar[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (8) : 2119 -2128 . DOI: 10.14062/j.issn.0454-5648.20210986
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Year 2022 volume 50 Issue 8
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Article Info
doi: 10.14062/j.issn.0454-5648.20210986
  • Receive Date：2021-11-18
  • Online Date：2026-10-20
  • Published：2022-08-20
Article Data
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History
  • Received：2021-11-18
  • Revised：2021-12-13
Funding
Affiliations
    1.School of Materials and Chemical Engineering, Hubei University of Technology, Wuhan 430064, China
    2.Guangxi Key Laboratory of New Energy and Building Energy Saving Guilin University of Technology, Guilin 541000, Guangxi, China

Corresponding:

ZHANG Yunhua (1983-), male, Ph.D., Associate Professor. E-mail:
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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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