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High-strength self-stress coal mine bottom plate grouting reinforcement material and preparation method thereof
The invention discloses a high-strength self-stress coal mine bottom plate grouting reinforcement material, which comprises the following raw materials in parts by weight: 20-30 parts of slag, 10-15 parts of sulphoaluminate cement, 30-40 parts of fly ash, 5-10 parts of industrial waste alkali, 2-7 parts of a self-stress component, 3-7 parts of an exciting agent and 0.5-4 parts of a water reducingagent. The preparation method comprises the following steps: uniformly mixing sulphoaluminate cement, slag, fly ash and a self-stress component in parts by weight to obtain a component A; mixing and dissolving industrial waste alkali, a water reducing agent and an exciting agent in water to obtain a component B; and mixing the two components to obtain the grouting reinforcement material. Accordingto the invention, slag and fly ash are used as main raw materials, so that the cost can be reduced, and the mechanical property of the grouting material can be improved; And sulphoaluminate cement and a self-stress component generate certain expansion to counteract shrinkage of the grouting material and generate certain expansion to generate self-stress, so that the impermeability of the coal mine bottom plate reinforcing body can be effectively enhanced.
本发明公开了一种高强自应力煤矿底板注浆加固材料，包括以下重量份数的原料：矿渣20‑30份、硫铝酸盐水泥10‑15份、粉煤灰30‑40份、工业废碱5‑10份、自应力组分2‑7份、激发剂3‑7份、减水剂0.5‑4份。将硫铝酸盐水泥、矿渣、粉煤灰和自应力组分按照重量份数混合均匀得到A组分；将工业废碱、减水剂和激发剂混合溶解于水中得到B组分。两组分混合即得注浆加固材料。本发明以矿渣和粉煤灰为主要原料，不仅可以降低成本，还可提高注浆材料的力学性能。通过硫铝酸盐水泥和自应力组分产生一定的膨胀，抵消注浆材料的收缩，并产生一定的膨胀产生自应力，可有效的增强煤矿底板加固体的抗渗性能。
High-strength self-stress coal mine bottom plate grouting reinforcement material and preparation method thereof
The invention discloses a high-strength self-stress coal mine bottom plate grouting reinforcement material, which comprises the following raw materials in parts by weight: 20-30 parts of slag, 10-15 parts of sulphoaluminate cement, 30-40 parts of fly ash, 5-10 parts of industrial waste alkali, 2-7 parts of a self-stress component, 3-7 parts of an exciting agent and 0.5-4 parts of a water reducingagent. The preparation method comprises the following steps: uniformly mixing sulphoaluminate cement, slag, fly ash and a self-stress component in parts by weight to obtain a component A; mixing and dissolving industrial waste alkali, a water reducing agent and an exciting agent in water to obtain a component B; and mixing the two components to obtain the grouting reinforcement material. Accordingto the invention, slag and fly ash are used as main raw materials, so that the cost can be reduced, and the mechanical property of the grouting material can be improved; And sulphoaluminate cement and a self-stress component generate certain expansion to counteract shrinkage of the grouting material and generate certain expansion to generate self-stress, so that the impermeability of the coal mine bottom plate reinforcing body can be effectively enhanced.
本发明公开了一种高强自应力煤矿底板注浆加固材料，包括以下重量份数的原料：矿渣20‑30份、硫铝酸盐水泥10‑15份、粉煤灰30‑40份、工业废碱5‑10份、自应力组分2‑7份、激发剂3‑7份、减水剂0.5‑4份。将硫铝酸盐水泥、矿渣、粉煤灰和自应力组分按照重量份数混合均匀得到A组分；将工业废碱、减水剂和激发剂混合溶解于水中得到B组分。两组分混合即得注浆加固材料。本发明以矿渣和粉煤灰为主要原料，不仅可以降低成本，还可提高注浆材料的力学性能。通过硫铝酸盐水泥和自应力组分产生一定的膨胀，抵消注浆材料的收缩，并产生一定的膨胀产生自应力，可有效的增强煤矿底板加固体的抗渗性能。
High-strength self-stress coal mine bottom plate grouting reinforcement material and preparation method thereof
一种高强自应力煤矿底板注浆加固材料及其制备方法
WU SHANYUAN (author) / YUN MING (author) / LI ZHAOFENG (author) / WANG YANSHENG (author) / LIU PEIYUE (author)
2020-11-20
Patent
Electronic Resource
Chinese
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