Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-strength impermeable concrete and preparation method thereof
The invention belongs to the technical field of building materials, and particularly relates to high-strength impermeable concrete which is prepared from modified natural river sand, the natural riversand is modified by 3amino butyl triethoxy silane, amino groups are formed on the surfaces of river sand particles, and the river sand particles are crosslinked with macromolecules in a specially-made polyurethane aqueous dispersion, internal gaps are reduced after concrete curing, capillary channels are blocked, the impermeability of concrete is improved, and the high-strength impermeable concrete has excellent mechanical properties. The invention also provides a preparation method of the concrete.
本发明属于建筑材料技术领域，具体涉及一种高强抗渗混凝土，所述混凝土的原料包含改性天然河沙，所述天然河沙经过3‑氨基丁基三乙氧基硅烷改性，河沙颗粒的表面具有氨基，与特制的聚氨酯水分散体中的大分子交联，能够减少混凝土固化后内部的空隙，阻断毛细管通道，提高混凝土抗渗性能，同时具备优异的力学性能。本发明还提供了所述混凝土的制备方法。
High-strength impermeable concrete and preparation method thereof
The invention belongs to the technical field of building materials, and particularly relates to high-strength impermeable concrete which is prepared from modified natural river sand, the natural riversand is modified by 3amino butyl triethoxy silane, amino groups are formed on the surfaces of river sand particles, and the river sand particles are crosslinked with macromolecules in a specially-made polyurethane aqueous dispersion, internal gaps are reduced after concrete curing, capillary channels are blocked, the impermeability of concrete is improved, and the high-strength impermeable concrete has excellent mechanical properties. The invention also provides a preparation method of the concrete.
本发明属于建筑材料技术领域，具体涉及一种高强抗渗混凝土，所述混凝土的原料包含改性天然河沙，所述天然河沙经过3‑氨基丁基三乙氧基硅烷改性，河沙颗粒的表面具有氨基，与特制的聚氨酯水分散体中的大分子交联，能够减少混凝土固化后内部的空隙，阻断毛细管通道，提高混凝土抗渗性能，同时具备优异的力学性能。本发明还提供了所述混凝土的制备方法。
High-strength impermeable concrete and preparation method thereof
一种高强抗渗混凝土及其制备方法
PENG CAIDA (Autor:in)
25.12.2020
Patent
Elektronische Ressource
Chinesisch
Preparation method of high-strength impermeable concrete and impermeable concrete
| Europäisches Patentamt | 2020
Impermeable high-strength concrete and preparation method thereof
| Europäisches Patentamt | 2021
High-strength impermeable concrete and preparation method thereof
| Europäisches Patentamt | 2021
High-strength impermeable concrete and preparation method thereof
| Europäisches Patentamt | 2020
High-strength impermeable anti-freezing concrete and preparation method thereof
| Europäisches Patentamt | 2020