Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Cementing material composition and application thereof
The invention discloses a cementing material composition and application thereof. The cementing material composition comprises the following raw materials in parts by mass: 30-40 parts of fly ash, 5-10 parts of fluorgypsum, 15-25 parts of cement, 30-40 parts of mineral powder and 2-7 parts of lime. According to the cementing material composition disclosed by the invention, sulfuric acid and hydrofluoric acid in the fluorgypsum are used for activating the fly ash, so that the surface fracture of a fly ash glass body is accelerated, the active effect of the fly ash is promoted to be developed as soon as possible, and meanwhile, active substances in the fly ash react with cement and lime hydration products to generate calcium aluminate; gypsum and calcium aluminate are subjected to a secondary reaction to generate ettringite, so that the compressive strength of a cementitious body is improved, and the use amount of cement in mine filling is greatly reduced.
本发明公开了一种胶结料组合物及其应用，所述胶结料组合物包括如下质量份原料：30～40份粉煤灰、5～10份氟石膏、15～25份水泥、30～40份矿粉、2～7份石灰。本发明的胶结料组合物利用氟石膏中硫酸和氢氟酸对粉煤灰起活化作用，加速粉煤灰玻璃体表面破裂，促使粉煤灰活性效应尽早发挥，同时在粉煤灰中活性物质与水泥和石灰水化产物反应生成铝酸钙的状态下，石膏与铝酸钙二次反应生成钙矾石，提高胶结体的抗压强度，大大减少矿山充填中水泥的用量。
Cementing material composition and application thereof
The invention discloses a cementing material composition and application thereof. The cementing material composition comprises the following raw materials in parts by mass: 30-40 parts of fly ash, 5-10 parts of fluorgypsum, 15-25 parts of cement, 30-40 parts of mineral powder and 2-7 parts of lime. According to the cementing material composition disclosed by the invention, sulfuric acid and hydrofluoric acid in the fluorgypsum are used for activating the fly ash, so that the surface fracture of a fly ash glass body is accelerated, the active effect of the fly ash is promoted to be developed as soon as possible, and meanwhile, active substances in the fly ash react with cement and lime hydration products to generate calcium aluminate; gypsum and calcium aluminate are subjected to a secondary reaction to generate ettringite, so that the compressive strength of a cementitious body is improved, and the use amount of cement in mine filling is greatly reduced.
本发明公开了一种胶结料组合物及其应用，所述胶结料组合物包括如下质量份原料：30～40份粉煤灰、5～10份氟石膏、15～25份水泥、30～40份矿粉、2～7份石灰。本发明的胶结料组合物利用氟石膏中硫酸和氢氟酸对粉煤灰起活化作用，加速粉煤灰玻璃体表面破裂，促使粉煤灰活性效应尽早发挥，同时在粉煤灰中活性物质与水泥和石灰水化产物反应生成铝酸钙的状态下，石膏与铝酸钙二次反应生成钙矾石，提高胶结体的抗压强度，大大减少矿山充填中水泥的用量。
Cementing material composition and application thereof
一种胶结料组合物及其应用
CHEN ZHONGPING (Autor:in) / FENG BOYU (Autor:in) / CHEN XILIN (Autor:in) / WEN SIMIN (Autor:in)
04.08.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
| Europäisches Patentamt | 2022
| Europäisches Patentamt | 2022
| Europäisches Patentamt | 2020