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Alkali-activated delayed coagulation cementing material suitable for road engineering and preparation method of alkali-activated delayed coagulation cementing material
The invention discloses a retarding cementing material suitable for road engineering and a preparation method thereof, and solves the problems of short setting time and more cracks when Portland cement is applied to the road engineering in the prior art. The retarding cementing material is composed of composite powder and an exciting agent, the composite powder contains 50-70% of high-alumina fly ash, 8-20% of furnace bottom slag, 2-5% of desulfurized gypsum and 20-30% of slag, the mass of the exciting agent is 10-20% of that of the composite powder, and the exciting agent is composed of solid water glass and caustic soda. Compared with traditional Portland cement, the retarding cementing material prepared by the method has the characteristics of long setting time and few hardened body cracks, also has lower hydration heat and better corrosion resistance, freeze thawing resistance and carbonization resistance, and is very suitable for being applied to road engineering. The cementing material also has the advantages of simple production process, low investment, low energy consumption, small pollution and low carbon emission.
本发明公开了一种适用于道路工程的缓凝胶凝材料及其制备方法，解决了现有技术采用硅酸盐水泥应用于道路工程时凝结时间较短、裂缝较多的问题。该缓凝胶凝材料由复合粉体和激发剂组成，复合粉体含有50‑70%高铝粉煤灰、8‑20%炉底渣、2‑5%脱硫石膏和20‑30%矿渣，激发剂为复合粉体质量的10‑20%，激发剂由固体水玻璃和烧碱组成。本发明制备的缓凝胶凝材料与传统的硅酸盐水泥相比，具有凝结时间长、硬化体裂缝少的特点，同时还具有较低的水化热以及较好的抗腐蚀、抗冻融、抗碳化性能，非常适合应用于道路工程。该胶凝材料还具有生产工艺简单、投资省、能耗低、污染小，碳排放少的优点。
Alkali-activated delayed coagulation cementing material suitable for road engineering and preparation method of alkali-activated delayed coagulation cementing material
The invention discloses a retarding cementing material suitable for road engineering and a preparation method thereof, and solves the problems of short setting time and more cracks when Portland cement is applied to the road engineering in the prior art. The retarding cementing material is composed of composite powder and an exciting agent, the composite powder contains 50-70% of high-alumina fly ash, 8-20% of furnace bottom slag, 2-5% of desulfurized gypsum and 20-30% of slag, the mass of the exciting agent is 10-20% of that of the composite powder, and the exciting agent is composed of solid water glass and caustic soda. Compared with traditional Portland cement, the retarding cementing material prepared by the method has the characteristics of long setting time and few hardened body cracks, also has lower hydration heat and better corrosion resistance, freeze thawing resistance and carbonization resistance, and is very suitable for being applied to road engineering. The cementing material also has the advantages of simple production process, low investment, low energy consumption, small pollution and low carbon emission.
本发明公开了一种适用于道路工程的缓凝胶凝材料及其制备方法，解决了现有技术采用硅酸盐水泥应用于道路工程时凝结时间较短、裂缝较多的问题。该缓凝胶凝材料由复合粉体和激发剂组成，复合粉体含有50‑70%高铝粉煤灰、8‑20%炉底渣、2‑5%脱硫石膏和20‑30%矿渣，激发剂为复合粉体质量的10‑20%，激发剂由固体水玻璃和烧碱组成。本发明制备的缓凝胶凝材料与传统的硅酸盐水泥相比，具有凝结时间长、硬化体裂缝少的特点，同时还具有较低的水化热以及较好的抗腐蚀、抗冻融、抗碳化性能，非常适合应用于道路工程。该胶凝材料还具有生产工艺简单、投资省、能耗低、污染小，碳排放少的优点。
Alkali-activated delayed coagulation cementing material suitable for road engineering and preparation method of alkali-activated delayed coagulation cementing material
一种适用于道路工程的碱激发缓凝胶凝材料及其制备方法
MIAO RUIPING (author) / LI YONGCHAO (author) / CHEN YANG (author) / GUO YINGBIN (author) / WU YUE (author) / YAN CHUNXIA (author) / YANG YUE'E (author) / WANG PEIYI (author)
2022-12-30
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
| European Patent Office | 2023
| European Patent Office | 2023
| European Patent Office | 2022
Alkali-activated cementing material and preparation method thereof
| European Patent Office | 2024