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Effect of Polycarboxylate Superplasticizer with Different Structure on Viscosity and Adsorption Behavior of Cement-Silica Fume Paste
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Ming LIU, Lei ZHANG, Wen YANG, Yuxin GAO, Chao ZENG, Yaoling LUO, Zi YE, Futao WANG, Songling YAN
Journal of the Chinese Ceramic Society | 2022, 50(2) : 445 - 451
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Journal of the Chinese Ceramic Society | 2022, 50(2): 445-451
• Research Articles •
Effect of Polycarboxylate Superplasticizer with Different Structure on Viscosity and Adsorption Behavior of Cement-Silica Fume Paste
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Ming LIU, Lei ZHANG, Wen YANG, Yuxin GAO, Chao ZENG, Yaoling LUO, Zi YE, Futao WANG, Songling YAN
Affiliations
  • China West Construction Academy of Building Materials, Chengdu 610015, China

    • LIU Ming (1984-), male, Doctoral candidate. E-mail:

About Author:

LIU Ming (1984-), male, Doctoral candidate. E-mail:

Published: 2022-02-20 doi: 10.14062/j.issn.0454-5648.20210352
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To improve the working performance of ultra-high performance concrete (UHPC), two kinds of water reducers with different structures, i.e., polyoxyethylene (EO) polyether (PCE-1) and propylene oxide block polyoxyethylene (EO/PO) polyether (PCE-2), were prepared. The performance of cement-silica fume slurry in a low water-binder ratio with two water reducing agents was evaluated via slurry fluidity, slurry viscosity test, total organic carbon test, and surface tension test, and the relevant mechanism was discussed. The results show that at PCE-2 in the slurry at 0.16 of water-binder ratio and 5%-25% of silica fume content (in mass fraction) has an adsorption-dispersion effect on silica fume rather than PCE-1, thus increasing the fluidity of cement-silica fume slurry. The block polyether structure of water reducer can adjust the surface tension and viscosity of the interstitial fluid, and reduce the viscosity of the cement-silica fume slurry.

polycarboxylate superplasticizer  /  ultra-high performance concrete  /  fluidity  /  adsorption behavior  /  paste viscosity
刘明, 张磊, 杨文, 高育欣, 曾超, 罗遥凌, 叶子, 王福涛, 闫松龄. 不同结构聚羧酸减水剂对水泥-硅灰浆体黏度和吸附行为的影响. 硅酸盐学报, 2022 , 50 (2) : 445 -451 . DOI: 10.14062/j.issn.0454-5648.20210352
Ming LIU, Lei ZHANG, Wen YANG, Yuxin GAO, Chao ZENG, Yaoling LUO, Zi YE, Futao WANG, Songling YAN. Effect of Polycarboxylate Superplasticizer with Different Structure on Viscosity and Adsorption Behavior of Cement-Silica Fume Paste[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (2) : 445 -451 . DOI: 10.14062/j.issn.0454-5648.20210352
Appendix
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Year 2022 volume 50 Issue 2
18
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Article Info
doi: 10.14062/j.issn.0454-5648.20210352
  • Receive Date：2021-09-24
  • Online Date：2026-10-22
  • Published：2022-02-20
Article Data
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History
  • Received：2021-09-24
  • Revised：2021-10-26
Funding
Affiliations
    China West Construction Academy of Building Materials, Chengdu 610015, China

Corresponding:

ZHANG Lei(1987-), male, Master. 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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