Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention discloses environment-friendly high-strength pervious concrete and a preparation method thereof, and relates to the technical field of concrete. According to the preparation method, (S)-2-amino-3-hydroxy-3-methylbutyric acid hydrochloride, thionyl chloride, 2-pyrazol-1-yl ethane hydrazine and cinnamyl aldehyde are subjected to a reaction to generate a Schiff base compound, amide pyrazolyl and Schiff base coexist, the problem that the porosity of concrete is reduced due to mold, moss and the like is prevented, then, the antibacterial hydrogel is formed through crosslinking, and the antibacterial performance of the concrete is improved. The hydrogel is coated on the surface of the carbon nanotube hollow fiber, so that the fibers as well as the fibers and the concrete are mutually crosslinked, a layer of hard three-dimensional reticular fiber protective film is formed on the surface of the concrete and the inner walls of pores, the water permeability and the strength of the concrete can be maintained, meanwhile, a layer of calcium ions is adsorbed on the surface of the hydrogel, sediments can be formed when the hydrogel encounters rainwater, and the water permeability and the strength of the concrete are improved. The concrete surface is coated, so that the water permeability and the strength are further enhanced.
本发明公开了一种环保型高强透水混凝土及其制备方法，涉及混凝土技术领域。本发明先利用(S)‑2‑胺基‑3‑羟基‑3‑甲基丁酸盐酸盐、氯化亚砜、2‑吡唑‑1‑基乙烷肼、肉桂醛反应生成席夫碱化合物，酰胺吡唑基和席夫碱基共同存在，防止混凝土因霉菌、青苔等导致孔隙率下降的问题，然后，交联形成抗菌水凝胶，并包裹在碳纳米管中空纤维表面，使得纤维与纤维、纤维与混凝土相互交联，在混凝土表面及孔隙内壁形成一层坚硬的三维网状纤维防护膜，有利于保持混凝土的透水性能和强度，同时，水凝胶表面还吸附一层钙离子，遇到雨水能形成沉积物，包覆在混凝土表面，进一步加强透水性和强度。
The invention discloses environment-friendly high-strength pervious concrete and a preparation method thereof, and relates to the technical field of concrete. According to the preparation method, (S)-2-amino-3-hydroxy-3-methylbutyric acid hydrochloride, thionyl chloride, 2-pyrazol-1-yl ethane hydrazine and cinnamyl aldehyde are subjected to a reaction to generate a Schiff base compound, amide pyrazolyl and Schiff base coexist, the problem that the porosity of concrete is reduced due to mold, moss and the like is prevented, then, the antibacterial hydrogel is formed through crosslinking, and the antibacterial performance of the concrete is improved. The hydrogel is coated on the surface of the carbon nanotube hollow fiber, so that the fibers as well as the fibers and the concrete are mutually crosslinked, a layer of hard three-dimensional reticular fiber protective film is formed on the surface of the concrete and the inner walls of pores, the water permeability and the strength of the concrete can be maintained, meanwhile, a layer of calcium ions is adsorbed on the surface of the hydrogel, sediments can be formed when the hydrogel encounters rainwater, and the water permeability and the strength of the concrete are improved. The concrete surface is coated, so that the water permeability and the strength are further enhanced.
本发明公开了一种环保型高强透水混凝土及其制备方法，涉及混凝土技术领域。本发明先利用(S)‑2‑胺基‑3‑羟基‑3‑甲基丁酸盐酸盐、氯化亚砜、2‑吡唑‑1‑基乙烷肼、肉桂醛反应生成席夫碱化合物，酰胺吡唑基和席夫碱基共同存在，防止混凝土因霉菌、青苔等导致孔隙率下降的问题，然后，交联形成抗菌水凝胶，并包裹在碳纳米管中空纤维表面，使得纤维与纤维、纤维与混凝土相互交联，在混凝土表面及孔隙内壁形成一层坚硬的三维网状纤维防护膜，有利于保持混凝土的透水性能和强度，同时，水凝胶表面还吸附一层钙离子，遇到雨水能形成沉积物，包覆在混凝土表面，进一步加强透水性和强度。
Environment-friendly high-strength pervious concrete and preparation method thereof
一种环保型高强透水混凝土及其制备方法
12.04.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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