Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Pumping impermeable super-retarding concrete and preparation method thereof
The invention relates to the technical field of building materials, in particular to pumping anti-permeability super-retarding concrete and a preparation method thereof, and the pumping anti-permeability super-retarding concrete comprises the following components in parts by weight: 200-300 parts of cement; 1000-1500 parts of sand; 700-1000 parts of stone; 1-10 parts of a PET fiber; 1.5-3.2 partsof a water reducing agent; 100-200 parts of water; 10-20 parts of a retarder. PET fibers are used as a performance supplementing material and are matched with each other, so that the performance of the concrete is improved, the water reducing agent can effectively improve the workability and fluidity of the concrete, the structure of the concrete is improved, the strength is improved, a large amount of cement can be saved while the strength of the concrete is kept unchanged, and the retarder can keep good slump and fluidity of the newly-mixed concrete and improve the strength of the concrete.The hydration hardening time of the cement is effectively prolonged, the plasticity of the fresh concrete can be kept for a long time, and the setting time of the fresh concrete is adjusted, so that the construction joint is effectively controlled, meanwhile, the influence of the external temperature on the construction joint is avoided, and the construction quality is ensured.
本发明涉及建筑材料技术领域，尤其是一种泵送抗渗超缓凝混凝土及其制备方法，包括以下组分及重量份含量：水泥：200‑300份；砂：1000‑1500份；石：700‑1000份；PET纤维：1‑10份；减水剂：1.5‑3.2份；水：100‑200份；缓凝剂：10‑20份；PET纤维作为性能补充材料，相互配合，有助于混凝土性能的提升，减水剂可有效改善混凝土和易性、流动性，混凝土结构改善，强度提高，在保持混凝土强度不变时也可节约大量水泥，缓凝剂不仅能够让新拌混凝土保持良好的坍落度和流动度，还有效延长水泥的水化硬化时间，使新拌混凝土能在较长时间内保持塑性，调节新拌混凝土的凝结时间，从而有效控制施工缝，同时，还能使其不受外界温度的影响，确保施工质量。
Pumping impermeable super-retarding concrete and preparation method thereof
The invention relates to the technical field of building materials, in particular to pumping anti-permeability super-retarding concrete and a preparation method thereof, and the pumping anti-permeability super-retarding concrete comprises the following components in parts by weight: 200-300 parts of cement; 1000-1500 parts of sand; 700-1000 parts of stone; 1-10 parts of a PET fiber; 1.5-3.2 partsof a water reducing agent; 100-200 parts of water; 10-20 parts of a retarder. PET fibers are used as a performance supplementing material and are matched with each other, so that the performance of the concrete is improved, the water reducing agent can effectively improve the workability and fluidity of the concrete, the structure of the concrete is improved, the strength is improved, a large amount of cement can be saved while the strength of the concrete is kept unchanged, and the retarder can keep good slump and fluidity of the newly-mixed concrete and improve the strength of the concrete.The hydration hardening time of the cement is effectively prolonged, the plasticity of the fresh concrete can be kept for a long time, and the setting time of the fresh concrete is adjusted, so that the construction joint is effectively controlled, meanwhile, the influence of the external temperature on the construction joint is avoided, and the construction quality is ensured.
本发明涉及建筑材料技术领域，尤其是一种泵送抗渗超缓凝混凝土及其制备方法，包括以下组分及重量份含量：水泥：200‑300份；砂：1000‑1500份；石：700‑1000份；PET纤维：1‑10份；减水剂：1.5‑3.2份；水：100‑200份；缓凝剂：10‑20份；PET纤维作为性能补充材料，相互配合，有助于混凝土性能的提升，减水剂可有效改善混凝土和易性、流动性，混凝土结构改善，强度提高，在保持混凝土强度不变时也可节约大量水泥，缓凝剂不仅能够让新拌混凝土保持良好的坍落度和流动度，还有效延长水泥的水化硬化时间，使新拌混凝土能在较长时间内保持塑性，调节新拌混凝土的凝结时间，从而有效控制施工缝，同时，还能使其不受外界温度的影响，确保施工质量。
Pumping impermeable super-retarding concrete and preparation method thereof
一种泵送抗渗超缓凝混凝土及其制备方法
CHEN SHUIJIN (Autor:in) / WANG JIANJUN (Autor:in) / LIU XIAGUANG (Autor:in) / LI XINGSHENG (Autor:in)
12.02.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
| Europäisches Patentamt | 2024
Super-retarding concrete and preparation method thereof
| Europäisches Patentamt | 2023
Super-retarding concrete and preparation method thereof
| Europäisches Patentamt | 2021
Super-retarding concrete and preparation method thereof
| Europäisches Patentamt | 2023
Super-retarding concrete and preparation method thereof
| Europäisches Patentamt | 2023