Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-durability cement-based composite material and preparation method thereof
The invention discloses a high-durability cement-based composite material and a preparation method thereof, and belongs to the technical field of building materials, the composite material comprises the following raw materials: water, quartz sand, fly ash, a water reducing agent, nano SiO2, cement and polyvinyl alcohol fiber; according to the cement-based composite material disclosed by the invention, the nano SiO2 and the polyvinyl alcohol fiber in a certain proportion are simultaneously doped into the cement-based composite material, so that the impermeability, the chloride ion penetration resistance and the freeze-thaw cycle resistance of the obtained cement-based composite material under the wet and hot salt coupling effect and the chloride ion erosion resistance under the dry-wet cycle condition are remarkably improved; therefore, the durability of the cement-based composite material under the coupling action of damp and hot salts is enhanced, and the application of the cement-based composite material in hydraulic structures and ocean engineering is facilitated.
本发明公开了一种高耐久性水泥基复合材料及其制备方法，属于建筑材料技术领域，所述复合材料原料包括：水、石英砂、粉煤灰、减水剂、纳米SiO2、水泥及聚乙烯醇纤维；本发明通过在水泥基复合材料中同时掺入一定比例的纳米SiO2和聚乙烯醇纤维，使所得水泥基复合材料湿热盐耦合作用下的抗渗性能、抗氯离子渗透性能、抗冻融循环性能及干湿循环条件作用下抗氯离子侵蚀性能均得到显著提升，从而增强了水泥基复合材料在湿热盐耦合作用下的耐久性，更有利于水泥基复合材料在水工结构物及海洋工程中的应用。
High-durability cement-based composite material and preparation method thereof
The invention discloses a high-durability cement-based composite material and a preparation method thereof, and belongs to the technical field of building materials, the composite material comprises the following raw materials: water, quartz sand, fly ash, a water reducing agent, nano SiO2, cement and polyvinyl alcohol fiber; according to the cement-based composite material disclosed by the invention, the nano SiO2 and the polyvinyl alcohol fiber in a certain proportion are simultaneously doped into the cement-based composite material, so that the impermeability, the chloride ion penetration resistance and the freeze-thaw cycle resistance of the obtained cement-based composite material under the wet and hot salt coupling effect and the chloride ion erosion resistance under the dry-wet cycle condition are remarkably improved; therefore, the durability of the cement-based composite material under the coupling action of damp and hot salts is enhanced, and the application of the cement-based composite material in hydraulic structures and ocean engineering is facilitated.
本发明公开了一种高耐久性水泥基复合材料及其制备方法，属于建筑材料技术领域，所述复合材料原料包括：水、石英砂、粉煤灰、减水剂、纳米SiO2、水泥及聚乙烯醇纤维；本发明通过在水泥基复合材料中同时掺入一定比例的纳米SiO2和聚乙烯醇纤维，使所得水泥基复合材料湿热盐耦合作用下的抗渗性能、抗氯离子渗透性能、抗冻融循环性能及干湿循环条件作用下抗氯离子侵蚀性能均得到显著提升，从而增强了水泥基复合材料在湿热盐耦合作用下的耐久性，更有利于水泥基复合材料在水工结构物及海洋工程中的应用。
High-durability cement-based composite material and preparation method thereof
一种高耐久性水泥基复合材料及其制备方法
ZHANG PENG (Autor:in) / GUO JINJUN (Autor:in) / ZHENG YUANXUN (Autor:in) / WANG JUAN (Autor:in) / WANG KEXUN (Autor:in) / GAO ZHEN (Autor:in) / YUAN PENG (Autor:in) / YANG YONGHUI (Autor:in)
06.08.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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