A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Environment-friendly ultra-high performance concrete and preparation method thereof
The invention discloses environment-friendly ultra-high performance concrete with excellent permeability, compression resistance and freezing resistance, zinc and iron element modified and doped carbon nanotubes, nano silicon oxide and nano aluminum oxide are selected as main doping materials, and the slump resistance of traditional concrete can be effectively improved through the synergistic effect of the composite doping structure; and the method plays an important role in maintaining the cohesiveness of concrete and reducing the flowability. Meanwhile, due to the addition of the modified ZnFe-coated CNTs, the arrangement order degree of nano silicon oxide and aluminum oxide on a microstructure is increased, so that the permeation difficulty of water molecules is reduced, and the problems that the permeation performance is poor and the absorption capacity is lacking later when traditional concrete is applied to a pavement are greatly solved.
本发明公开了一种渗透性能优异、抗压抗冻的环保超高性能混凝土，通过选取锌和铁元素改性掺杂的碳纳米管、纳米氧化硅、纳米氧化铝作为主要掺杂材料，该复合掺杂结构的协同作用可以有效提高传统混凝土抗坍落性能，对于保持混凝土黏聚性、降低流动性有重要作用。同时，改性后的ZnFe@CNTs的加入使纳米氧化硅和氧化铝在微观结构上排列有序度增加，导致水分子的透过困难度减小，大大降低了传统混凝土应用至路面渗透性能不佳和吸收力后继乏力的问题。
Environment-friendly ultra-high performance concrete and preparation method thereof
The invention discloses environment-friendly ultra-high performance concrete with excellent permeability, compression resistance and freezing resistance, zinc and iron element modified and doped carbon nanotubes, nano silicon oxide and nano aluminum oxide are selected as main doping materials, and the slump resistance of traditional concrete can be effectively improved through the synergistic effect of the composite doping structure; and the method plays an important role in maintaining the cohesiveness of concrete and reducing the flowability. Meanwhile, due to the addition of the modified ZnFe-coated CNTs, the arrangement order degree of nano silicon oxide and aluminum oxide on a microstructure is increased, so that the permeation difficulty of water molecules is reduced, and the problems that the permeation performance is poor and the absorption capacity is lacking later when traditional concrete is applied to a pavement are greatly solved.
本发明公开了一种渗透性能优异、抗压抗冻的环保超高性能混凝土，通过选取锌和铁元素改性掺杂的碳纳米管、纳米氧化硅、纳米氧化铝作为主要掺杂材料，该复合掺杂结构的协同作用可以有效提高传统混凝土抗坍落性能，对于保持混凝土黏聚性、降低流动性有重要作用。同时，改性后的ZnFe@CNTs的加入使纳米氧化硅和氧化铝在微观结构上排列有序度增加，导致水分子的透过困难度减小，大大降低了传统混凝土应用至路面渗透性能不佳和吸收力后继乏力的问题。
Environment-friendly ultra-high performance concrete and preparation method thereof
一种环保超高性能混凝土及其制备方法
JIANG LIPING (author) / YU XUELIANG (author) / CHEN WEIXIANG (author) / ZHU MINGMING (author) / ZHU WENBIN (author) / CHEN ZHIHUA (author)
2023-05-30
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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