PTES-稻壳灰超疏水涂层提高生土材料耐水性效果评价
CSTR:
作者:
作者单位:

华侨大学 a福建省隧道与城市地下空间工程技术研究中心

中图分类号:

TU375.4

基金项目:

国家自然科学基金(51978292);福建省自然科学基金(2019J01048);华侨大学研究生科研创新基金(18013086030)


Evaluation on the effect of PTES- rice hull ash superhydrophobic coating on improving the water resistance of raw soil materials
Author:
Affiliation:

1.a Fujian Research Center for Tunneling and Urban Underground Space Engineering;2.b Key Laboratory for Intelligent Infrastructure and Monitoring of Fujian Province,Huaqiao University

Fund Project:

National Natural Science Foundation of China (No. 51978292); Natural Science Foundation of Chongqing (No. 18013086030)

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    摘要:

    利用溶胶?凝胶法,将PTES和稻壳灰制备成生土建筑外墙的防水涂层。试验证明该方法可以有效地提高生土材料表面的耐水性并具有一定的耐久性,PTES和稻壳灰含量越高,效果越好,但含量过高会造成表面颜色的变化。

    Abstract:

    By the sol-gel method, PTES and rice hull antiparticle were prepared into a waterproof coating on the outer wall of the raw earth building. Tests show that this method can effectively improve the water resistance of the surface of the raw material and have a certain durability. The higher content of PTES and rice hull, the better the effect, but too high content will cause changes in surface color.

    参考文献
    [1] KESMEZ ?. Preparation of hybrid nanocomposite coatings via sol-gel method for hydrophobic and self-cleaning properties [J]. Journal of Molecular Structure, 2020, 1205: 127572.
    [2] MAHADIK S A, PEDRAZA F, VHATKAR R S. Silica based superhydrophobic coating for long-term industrial and domestic applications [J]. Journal of Alloys and Compounds, 2016, 663: 487-493.
    [3] 中华人民共和国国家标准,土工试验方法标准(GB/T50123—1999),北京:中国水利水电出版社,1999.The Professional Standards Compilation Group of People¢s Republic of China. SL237—1999 Specification of soil test [S]. Beijing:China Water Power Press, 1999.(in Chinese)
    [4] American Society for Testing Materials. ASTM D1557. Standard test methods for laboratory compaction characteristics of soil using modified effort [S]. West Conshohocken(PA):ASTM International, 2009.
    [5] Reunion Internationale des Laboratoires D¢Essais et de Recherches sur les Materiaux et les Constructions(RILEM). Recommandations provisoires de lacommission 25-PEM Protection et erosion des monuments Essais recom-mandés pour mesurer l’altération des pierres et évaluer l’efficacité desméthodes de traitement [C]// Matériaux de Constructions,Paris:RILEM,1980:255–264.
    [6] NZS 4298:1998.Conservation of cultural property Test methods Erosion test (Geelong method) (Normative) (p). New Zealand Committee for Standardization; 1998.
    [7] EN 15803. Conservation of cultural property Test methods Determinationof water vapour permeability (p). Bruxelles, Belgium: European Committee for Standardization; 2009.#$NC
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  • 收稿日期:2020-07-13
  • 最后修改日期:2020-09-07
  • 录用日期:2020-09-25
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