A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Gypsum slag-based super-retarding cementing material and preparation method thereof
The invention relates to a gypsum slag-based super-retarding cementing material and a preparation method thereof, and relates to the technical field of building materials, the gypsum slag-based super-retarding cementing material is prepared from the following raw materials by percentage: 1%-10% of ordinary Portland cement, 10%-20% of desulfurized gypsum, 50%-80% of slag powder, 0.8%-2% of a composite activator and 0-2% of quicklime, according to the invention, the setting time of the cementing material can be obviously prolonged, the transportation radius of the cement stabilized macadam is prolonged, multi-layer continuous paving during construction is realized, and the working efficiency is improved; a large amount of slag and gypsum are utilized, the strength of the gypsum and slag cementing material can meet the use requirement through chemical excitation, secondary grinding of the cementing material is avoided, and the production process is simplified; compared with ordinary cement, the gypsum slag cementing material used for cement stabilized macadam has the advantages of micro-expansion of a system, high breaking strength, less later cracking, good integrity after paving and compacting, and good interlayer bonding, and improves the durability of pavement engineering.
本发明涉及一种石膏矿渣基超缓凝胶结料及其制备方法，涉及建筑材料技术领域，一种石膏矿渣基超缓凝胶结料由以下百分数含量的原料制备得到：普通硅酸盐水泥1%～10%，脱硫石膏10%～20%，矿渣粉50%～80%，复合激发剂0.8%～2%，生石灰0～2%，本发明能够显著延长胶结料的凝结时间，延长水泥稳定碎石的运输半径，实现施工时多层连铺，提高工作效率；大量利用矿渣和石膏，通过化学激发就可以使石膏矿渣胶结料强度达到使用要求，避免了对胶结料进行二次粉磨，简化了生产工艺；石膏矿渣胶结料用于水泥稳定碎石与普通水泥相比，体系微膨胀，抗折强度高，后期开裂少，摊铺压实后整体性好，层间结合好，提高路面工程耐久性。
Gypsum slag-based super-retarding cementing material and preparation method thereof
The invention relates to a gypsum slag-based super-retarding cementing material and a preparation method thereof, and relates to the technical field of building materials, the gypsum slag-based super-retarding cementing material is prepared from the following raw materials by percentage: 1%-10% of ordinary Portland cement, 10%-20% of desulfurized gypsum, 50%-80% of slag powder, 0.8%-2% of a composite activator and 0-2% of quicklime, according to the invention, the setting time of the cementing material can be obviously prolonged, the transportation radius of the cement stabilized macadam is prolonged, multi-layer continuous paving during construction is realized, and the working efficiency is improved; a large amount of slag and gypsum are utilized, the strength of the gypsum and slag cementing material can meet the use requirement through chemical excitation, secondary grinding of the cementing material is avoided, and the production process is simplified; compared with ordinary cement, the gypsum slag cementing material used for cement stabilized macadam has the advantages of micro-expansion of a system, high breaking strength, less later cracking, good integrity after paving and compacting, and good interlayer bonding, and improves the durability of pavement engineering.
本发明涉及一种石膏矿渣基超缓凝胶结料及其制备方法，涉及建筑材料技术领域，一种石膏矿渣基超缓凝胶结料由以下百分数含量的原料制备得到：普通硅酸盐水泥1%～10%，脱硫石膏10%～20%，矿渣粉50%～80%，复合激发剂0.8%～2%，生石灰0～2%，本发明能够显著延长胶结料的凝结时间，延长水泥稳定碎石的运输半径，实现施工时多层连铺，提高工作效率；大量利用矿渣和石膏，通过化学激发就可以使石膏矿渣胶结料强度达到使用要求，避免了对胶结料进行二次粉磨，简化了生产工艺；石膏矿渣胶结料用于水泥稳定碎石与普通水泥相比，体系微膨胀，抗折强度高，后期开裂少，摊铺压实后整体性好，层间结合好，提高路面工程耐久性。
Gypsum slag-based super-retarding cementing material and preparation method thereof
一种石膏矿渣基超缓凝胶结料及其制备方法
ZHANG JIE (author) / GAO XIANGPENG (author) / ZHANG ZHENFENG (author)
2023-12-15
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Strong retarding cementing material and preparation method thereof
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