A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Ultra-high performance concrete with adjustable working time
The invention relates to the technical field of high-performance building materials, in particular to working-time-adjustable ultra-high-performance concrete which comprises 100 parts of cement, 20-30 parts of selected superfine fly ash sinking beads, 5-10 parts of silica fume, 120-150 parts of sand, 1-1.5 parts of a high-performance polycarboxylate superplasticizer, 20-30 parts of steel fibers, 0.5-2 parts of citric acid, 0.5-2 parts of phosphonobutane tricarboxylic acid and a certain amount of water. Wherein the cement, the selected superfine fly ash sinking beads and the silica fume form a cementing material in the ultra-high performance concrete. The method has the advantages that the working time of the ultra-high-performance concrete mixture is adjustable through a physical and chemical combined method, and the problem of construction quality defects caused by short working time of the ultra-high-performance concrete mixture is effectively solved.
本发明涉及高性能建筑材料技术领域，尤其是一种工作时间可调的超高性能混凝土，包括水泥100份、精选超细粉煤灰沉珠20‑30份、硅灰5‑10份、砂120‑150份、高性能聚羧酸减水剂1‑1.5份、钢纤维20‑30份、柠檬酸0.5‑2份、膦酰基丁烷三羧酸0.5‑2份以及一定量的水，其中所述水泥、精选超细粉煤灰沉珠以及硅灰构成超高性能混凝土中的胶凝材料。本发明的优点是：通过物理和化学相结合的方法，实现超高性能混凝土拌合物工作时间可调，有效解决超高性能混凝土拌合物工作时间短而产生施工质量缺陷的问题。
Ultra-high performance concrete with adjustable working time
The invention relates to the technical field of high-performance building materials, in particular to working-time-adjustable ultra-high-performance concrete which comprises 100 parts of cement, 20-30 parts of selected superfine fly ash sinking beads, 5-10 parts of silica fume, 120-150 parts of sand, 1-1.5 parts of a high-performance polycarboxylate superplasticizer, 20-30 parts of steel fibers, 0.5-2 parts of citric acid, 0.5-2 parts of phosphonobutane tricarboxylic acid and a certain amount of water. Wherein the cement, the selected superfine fly ash sinking beads and the silica fume form a cementing material in the ultra-high performance concrete. The method has the advantages that the working time of the ultra-high-performance concrete mixture is adjustable through a physical and chemical combined method, and the problem of construction quality defects caused by short working time of the ultra-high-performance concrete mixture is effectively solved.
本发明涉及高性能建筑材料技术领域，尤其是一种工作时间可调的超高性能混凝土，包括水泥100份、精选超细粉煤灰沉珠20‑30份、硅灰5‑10份、砂120‑150份、高性能聚羧酸减水剂1‑1.5份、钢纤维20‑30份、柠檬酸0.5‑2份、膦酰基丁烷三羧酸0.5‑2份以及一定量的水，其中所述水泥、精选超细粉煤灰沉珠以及硅灰构成超高性能混凝土中的胶凝材料。本发明的优点是：通过物理和化学相结合的方法，实现超高性能混凝土拌合物工作时间可调，有效解决超高性能混凝土拌合物工作时间短而产生施工质量缺陷的问题。
Ultra-high performance concrete with adjustable working time
一种工作时间可调的超高性能混凝土
SHANG TAOPING (author) / WANG HONGXIN (author) / FU WEI (author) / ZENG YAO (author) / SHI YUPENG (author)
2023-01-31
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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