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High-strength mine grouting reinforcement material and preparation method thereof
The invention relates to the field of grouting reinforcement materials, and particularly discloses a high-strength mining grouting reinforcement material and a preparation method thereof.The high-strength mining grouting reinforcement material is prepared from, by weight, 50-90 parts of superfine cement, 5-10 parts of fine aggregate, 5-15 parts of expanding agent, 2-4 parts of accelerator and 1-4 parts of water reducing agent; by adjusting the types and mixing amounts of the raw materials, the tensile strength, the ultimate tensile strain, the compressive strength, the ultimate compressive strain and the bonding strength of the obtained mining grouting reinforcement material are 49.1 MPa and 29.6% respectively, 97.3 MPa and 24.8% respectively, and the mining grouting reinforcement material has high mechanical properties and bonding properties.
本申请涉及注浆加固材料领域，具体公开了一种高强矿用注浆加固材料及其制备方法，其中，一种高强矿用注浆加固材料，包括如下重量份原料：超细水泥50‑90份，细骨料5‑10份，膨胀剂5‑15份，速凝剂2‑4份，减水剂1‑4份；硅粉改性超支化聚氨酯18‑42份，通过调节各原料的种类和掺量，使得到的矿用注浆加固材料的抗拉强度和极限拉伸应变、抗压强度和极限压缩应变以及粘结强度最高分别为49.1MPa和29.6%、97.3MPa和24.8%以及6.5MPa，具有较高力学性能和粘结性能。
High-strength mine grouting reinforcement material and preparation method thereof
The invention relates to the field of grouting reinforcement materials, and particularly discloses a high-strength mining grouting reinforcement material and a preparation method thereof.The high-strength mining grouting reinforcement material is prepared from, by weight, 50-90 parts of superfine cement, 5-10 parts of fine aggregate, 5-15 parts of expanding agent, 2-4 parts of accelerator and 1-4 parts of water reducing agent; by adjusting the types and mixing amounts of the raw materials, the tensile strength, the ultimate tensile strain, the compressive strength, the ultimate compressive strain and the bonding strength of the obtained mining grouting reinforcement material are 49.1 MPa and 29.6% respectively, 97.3 MPa and 24.8% respectively, and the mining grouting reinforcement material has high mechanical properties and bonding properties.
本申请涉及注浆加固材料领域，具体公开了一种高强矿用注浆加固材料及其制备方法，其中，一种高强矿用注浆加固材料，包括如下重量份原料：超细水泥50‑90份，细骨料5‑10份，膨胀剂5‑15份，速凝剂2‑4份，减水剂1‑4份；硅粉改性超支化聚氨酯18‑42份，通过调节各原料的种类和掺量，使得到的矿用注浆加固材料的抗拉强度和极限拉伸应变、抗压强度和极限压缩应变以及粘结强度最高分别为49.1MPa和29.6%、97.3MPa和24.8%以及6.5MPa，具有较高力学性能和粘结性能。
High-strength mine grouting reinforcement material and preparation method thereof
一种高强矿用注浆加固材料及其制备方法
WANG GUOTENG (author) / YU XUWU (author) / LIU YUEDONG (author)
2024-01-30
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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