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A platform for research: civil engineering, architecture and urbanism
Steel fiber cement-based jet mortar and preparation method thereof
The invention belongs to the technical field of jet mortar, and discloses steel fiber cement-based jet mortar and a preparation method thereof, the steel fiber cement-based jet mortar comprises the following raw materials by mass: 1 part of cement, 2.1-2.4 parts of sand, 0.45-0.55 part of water, 0.1-0.2 part of steel fiber, 0.4-0.5 part of fly ash, 0.08-0.12 part of an accelerator, and 0.015-0.02 part of a water reducer. According to the invention, the pore structure of a cement matrix is effectively improved, the internal structure is more compact, the phenomenon of shrinkage cracking is reduced, and meanwhile, the later strength of the mortar is improved, so that the strength loss of the matrix caused by an accelerator is reduced.
本发明属于喷射砂浆技术领域，本发明公开了一种钢纤维水泥基喷射砂浆及其制备方法，包括如下质量份数的原料：水泥1份、砂2.1～2.4份、水0.45～0.55份、钢纤维0.1～0.2份、粉煤灰0.4～0.5份、速凝剂0.08～0.12份和减水剂0.015～0.02份。本发明有效地改善了水泥基体的孔隙结构，使内部结构更加致密，减少收缩开裂的现象出现，同时提高砂浆的后期强度，以减小速凝剂对基体造成的强度损失。
Steel fiber cement-based jet mortar and preparation method thereof
The invention belongs to the technical field of jet mortar, and discloses steel fiber cement-based jet mortar and a preparation method thereof, the steel fiber cement-based jet mortar comprises the following raw materials by mass: 1 part of cement, 2.1-2.4 parts of sand, 0.45-0.55 part of water, 0.1-0.2 part of steel fiber, 0.4-0.5 part of fly ash, 0.08-0.12 part of an accelerator, and 0.015-0.02 part of a water reducer. According to the invention, the pore structure of a cement matrix is effectively improved, the internal structure is more compact, the phenomenon of shrinkage cracking is reduced, and meanwhile, the later strength of the mortar is improved, so that the strength loss of the matrix caused by an accelerator is reduced.
本发明属于喷射砂浆技术领域，本发明公开了一种钢纤维水泥基喷射砂浆及其制备方法，包括如下质量份数的原料：水泥1份、砂2.1～2.4份、水0.45～0.55份、钢纤维0.1～0.2份、粉煤灰0.4～0.5份、速凝剂0.08～0.12份和减水剂0.015～0.02份。本发明有效地改善了水泥基体的孔隙结构，使内部结构更加致密，减少收缩开裂的现象出现，同时提高砂浆的后期强度，以减小速凝剂对基体造成的强度损失。
Steel fiber cement-based jet mortar and preparation method thereof
一种钢纤维水泥基喷射砂浆及其制备方法
PAN HUIMIN (author) / ZHANG HAO (author) / ZHAO LIXI (author) / ZHAO QINGXIN (author) / JIANG HANQI (author) / XIE SHAOKANG (author)
2023-07-14
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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