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Calcined mineral bonded multi-scale steel fiber for UHPC (Ultra High Performance Concrete) and preparation method
The invention relates to a calcined mineral bonded multi-scale steel fiber for UHPC and a preparation method thereof, the calcined mineral bonded multi-scale steel fiber for UHPC comprises the following raw materials by weight: 61.13%-68.32% of long steel fiber, 15.29%-17.09% of short steel fiber, 2.71%-8.95% of magnesium bicarbonate, 0.63%-2.18% of alumina, 1.11%-3.86% of glass powder, 0.04%-0.13% of boric oxide, 10% of PVA solution, and 0.1% of glue. The short steel fibers are bonded on the surfaces of the long steel fibers through the calcined minerals prepared through high-temperature sintering, the dispersity and the synergistic effect of the steel fibers in the UHPC are improved, the smooth surfaces of the steel fibers are roughened through hard calcined mineral crystals, the physical bonding performance of cement paste and the fibers is improved, and therefore the mechanical performance of the UHPC is improved.
本发明涉及一种用于UHPC的煅烧矿物粘结多尺度钢纤维及制备方法，重量百分比计，包括以下原料：长钢纤维61.13%~68.32%、短钢纤维15.29%~17.09%、碳酸氢镁2.71%～8.95%、氧化铝0.63%～2.18%、玻璃粉1.11%～3.86%、氧化硼0.04%～0.13%、PVA溶液10%、胶水0.1%。本发明通过高温烧结制得的煅烧矿物将短钢纤维粘结在长钢纤维表面，提高钢纤维在UHPC中的分散性和协同作用，坚硬的煅烧矿物晶体使光滑的钢纤维表面粗糙化，提高了水泥浆体与纤维的物理粘结性能，从而提高UHPC的力学性能。
Calcined mineral bonded multi-scale steel fiber for UHPC (Ultra High Performance Concrete) and preparation method
The invention relates to a calcined mineral bonded multi-scale steel fiber for UHPC and a preparation method thereof, the calcined mineral bonded multi-scale steel fiber for UHPC comprises the following raw materials by weight: 61.13%-68.32% of long steel fiber, 15.29%-17.09% of short steel fiber, 2.71%-8.95% of magnesium bicarbonate, 0.63%-2.18% of alumina, 1.11%-3.86% of glass powder, 0.04%-0.13% of boric oxide, 10% of PVA solution, and 0.1% of glue. The short steel fibers are bonded on the surfaces of the long steel fibers through the calcined minerals prepared through high-temperature sintering, the dispersity and the synergistic effect of the steel fibers in the UHPC are improved, the smooth surfaces of the steel fibers are roughened through hard calcined mineral crystals, the physical bonding performance of cement paste and the fibers is improved, and therefore the mechanical performance of the UHPC is improved.
本发明涉及一种用于UHPC的煅烧矿物粘结多尺度钢纤维及制备方法，重量百分比计，包括以下原料：长钢纤维61.13%~68.32%、短钢纤维15.29%~17.09%、碳酸氢镁2.71%～8.95%、氧化铝0.63%～2.18%、玻璃粉1.11%～3.86%、氧化硼0.04%～0.13%、PVA溶液10%、胶水0.1%。本发明通过高温烧结制得的煅烧矿物将短钢纤维粘结在长钢纤维表面，提高钢纤维在UHPC中的分散性和协同作用，坚硬的煅烧矿物晶体使光滑的钢纤维表面粗糙化，提高了水泥浆体与纤维的物理粘结性能，从而提高UHPC的力学性能。
Calcined mineral bonded multi-scale steel fiber for UHPC (Ultra High Performance Concrete) and preparation method
一种用于UHPC的煅烧矿物粘结多尺度钢纤维及制备方法
ZHANG MING (author) / CAO ZHONGLU (author) / HOU JINFANG (author) / LI YAN (author) / YANG DINGYI (author)
2024-04-30
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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