Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Manufacturing method of expanded perlite micro-powder thermal insulation concrete
A manufacturing method of expanded perlite micro-powder thermal insulation concrete is characterized in that the expanded perlite micro-powder thermal insulation concrete is composed of cement, silica fume, expanded perlite micro-powder, sand, pebbles, an anti-segregation type water reducing agent, redispersible rubber powder, steel fibers and water, the ratio of the cement to the expanded perlite micro-powder to the water reducing agent is 150-200: 180-200: 20-25, the ratio of the cement to the silica fume is 1: 0.3-0.4, the water-binder ratio is 0.25-0.35, and the ratio of the sand to the pebbles to the water reducing agent to the redispersible rubber powder to the steel fibers is 0.5-1.5. The mass ratio of the cementing material to the sand to the stone is 1: (1.2-1.5): (1.5-1.8). Phosphate groups in the water reducing agent can release PO4 < 3-> and generate a large number of carboxyl groups, the carboxyl groups can be continuously adsorbed to the surfaces of the expanded perlite micro powder and the gelling particles, a layer of protective film is formed on the surfaces of the expanded perlite micro powder and the gelling particles, and due to the fact that the wrapped large particles carry the same negative charges, electrostatic repulsion exists between the large particles, the particle size of the expanded perlite micro powder and the gelling particles is reduced, and the particle size of the expanded perlite micro powder and the gelling particles is reduced. And the materials are uniformly dispersed.
一种膨胀珍珠岩微粉保温混凝土的制造方法，其特征在于：由水泥、硅灰、膨胀珍珠岩微粉、砂、石子、抗离析型减水剂、可再分散胶粉、钢纤维和水组成，其中水泥和膨胀珍珠岩微粉和减水剂比例为150‑200：180‑200：20‑25，水泥与硅灰的比例为1：0.3‑0.4，水胶比为0.25‑0.35，胶凝材料和砂和石子质量比为1：1.2‑1.5：1.5‑1.8。本发明减水剂中磷酸酯基团可以释放出PO43‑，并生成了大量的羧基基团，羧基基团会持续吸附到膨化珍珠岩微粉和胶凝颗粒表面，并在表面形成一层保护膜，由于包裹后的大颗粒物之间带有同种负电荷，相互之间存在着静电斥力作用，使其均匀分散的作用。
Manufacturing method of expanded perlite micro-powder thermal insulation concrete
A manufacturing method of expanded perlite micro-powder thermal insulation concrete is characterized in that the expanded perlite micro-powder thermal insulation concrete is composed of cement, silica fume, expanded perlite micro-powder, sand, pebbles, an anti-segregation type water reducing agent, redispersible rubber powder, steel fibers and water, the ratio of the cement to the expanded perlite micro-powder to the water reducing agent is 150-200: 180-200: 20-25, the ratio of the cement to the silica fume is 1: 0.3-0.4, the water-binder ratio is 0.25-0.35, and the ratio of the sand to the pebbles to the water reducing agent to the redispersible rubber powder to the steel fibers is 0.5-1.5. The mass ratio of the cementing material to the sand to the stone is 1: (1.2-1.5): (1.5-1.8). Phosphate groups in the water reducing agent can release PO4 < 3-> and generate a large number of carboxyl groups, the carboxyl groups can be continuously adsorbed to the surfaces of the expanded perlite micro powder and the gelling particles, a layer of protective film is formed on the surfaces of the expanded perlite micro powder and the gelling particles, and due to the fact that the wrapped large particles carry the same negative charges, electrostatic repulsion exists between the large particles, the particle size of the expanded perlite micro powder and the gelling particles is reduced, and the particle size of the expanded perlite micro powder and the gelling particles is reduced. And the materials are uniformly dispersed.
一种膨胀珍珠岩微粉保温混凝土的制造方法，其特征在于：由水泥、硅灰、膨胀珍珠岩微粉、砂、石子、抗离析型减水剂、可再分散胶粉、钢纤维和水组成，其中水泥和膨胀珍珠岩微粉和减水剂比例为150‑200：180‑200：20‑25，水泥与硅灰的比例为1：0.3‑0.4，水胶比为0.25‑0.35，胶凝材料和砂和石子质量比为1：1.2‑1.5：1.5‑1.8。本发明减水剂中磷酸酯基团可以释放出PO43‑，并生成了大量的羧基基团，羧基基团会持续吸附到膨化珍珠岩微粉和胶凝颗粒表面，并在表面形成一层保护膜，由于包裹后的大颗粒物之间带有同种负电荷，相互之间存在着静电斥力作用，使其均匀分散的作用。
Manufacturing method of expanded perlite micro-powder thermal insulation concrete
一种膨胀珍珠岩微粉保温混凝土的制造方法
WANG HUIMING (Autor:in)
05.04.2022
Patent
Elektronische Ressource
Chinesisch
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