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Effect of Low Temperature and Low Humidity Curing Condition on Microstructure of Concrete
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Junhao CHEN1, Yanlong LI1, Heng ZHOU2, Yang LI1, Hanyu GUO1
Journal of the Chinese Ceramic Society | 2023, 51(5) : 1202 - 1209
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Journal of the Chinese Ceramic Society | 2023, 51(5): 1202-1209
• Research Articles •
Effect of Low Temperature and Low Humidity Curing Condition on Microstructure of Concrete
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Junhao CHEN1, Yanlong LI1, Heng ZHOU2, Yang LI1, Hanyu GUO1
Affiliations
  • 1.State Key Laboratory of Eco-hydraulics in Northwest Arid Region, Xi'an University of Technology, Xi'an 710048, China
  • 2.Power China Northwest Engineering Corporation Limited, Xi'an 710065, China

    • CHEN Junhao (1990-), male, Doctoral candidate. E-mail:

About Author:

CHEN Junhao (1990-), male, Doctoral candidate. E-mail:

Published: 2023-05-20 doi: 10.14062/j.issn.0454-5648.20220440
Outline
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To further understand the influence of climate environment on the microstructure of concrete materials in northwestern China, the microstructure characteristics of concrete under different temperature and humidity curing conditions were investigated by a nano-indentation technology. The results show that the lack of curing temperature and humidity leads to the increase of capillary pores and low-density calcium silicate hydrate (C-S-H) gel content in cement mortar. The indentation modulus and hardness of concrete interfacial transition zone (ITZ) under different curing conditions were statistically analyzed. It is indicated that the average thickness of concrete ITZ is increased by 5 μm and 10 μm when the curing conditions are 10 ℃-70% relative humidity (RH) and 3 ℃-50% RH, respectively, compared with that the curing condition is 20 ℃-95% RH.

concrete  /  curing conditions  /  nano-indentation  /  microscopic mechanics  /  interfacial transition zone
陈俊豪, 李炎隆, 周恒, 李阳, 郭涵誉. 低温低湿养护条件对混凝土微观结构影响. 硅酸盐学报, 2023 , 51 (5) : 1202 -1209 . DOI: 10.14062/j.issn.0454-5648.20220440
Junhao CHEN, Yanlong LI, Heng ZHOU, Yang LI, Hanyu GUO. Effect of Low Temperature and Low Humidity Curing Condition on Microstructure of Concrete[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (5) : 1202 -1209 . DOI: 10.14062/j.issn.0454-5648.20220440
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Year 2023 volume 51 Issue 5
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Article Info
doi: 10.14062/j.issn.0454-5648.20220440
  • Receive Date：2022-06-13
  • Online Date：2026-10-20
  • Published：2023-05-20
Article Data
Affiliations
History
  • Received：2022-06-13
  • Revised：2022-07-20
Funding
Affiliations
    1.State Key Laboratory of Eco-hydraulics in Northwest Arid Region, Xi'an University of Technology, Xi'an 710048, China
    2.Power China Northwest Engineering Corporation Limited, Xi'an 710065, China

Corresponding:

LI Yanlong (1980-), 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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