A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Novel blast hole sealing grouting material and preparation method thereof
The invention relates to the technical field of mine and underground engineering safety, and provides a novel blast hole sealing grouting material, which is prepared from the following raw materials in parts by weight: 2.5 to 3.5 parts of superfine Portland cement, 1.5 to 2.5 parts of silicon powder, 0.01 to 0.015 part of composite admixture and 2 to 3 parts of water, wherein the composite admixture is prepared from the following raw materials in parts by weight: 0.02 to 0.025 part of a composite efficient water reducing agent, 0.02 to 0.05 part of an expanding agent and 0.012 to 0.016 part of an accelerator. The invention also provides a preparation method of the novel blast hole sealing grouting material. The grouting material has the advantages that the fluidity is good, the bonding strength is high, the volume stability is good, and the plugging rapidity and compactness of large-diameter and large-depth drill holes can be remarkably improved after the grouting material is applied.
本发明涉及矿山与地下工程安全技术领域，提供了一种新型爆破孔封孔注浆材料，包括如下重量份数的原料：超细硅酸盐水泥2.5～3.5份，硅粉1.5～2.5份，复合外掺剂0.01～0.015份，水2～3份；其中，所述复合外掺剂包括如下重量份数的原料：复合高效减水剂0.02～0.025份，膨胀剂0.02～0.05份，速凝剂0.012～0.016份。本发明还提供了一种上述新型爆破孔封孔注浆材料的制备方法。本发明的优点在于：注浆材料的流动性好，粘结强度高，体积稳定性好，应用后能显著提高大直径、大深度钻孔的封堵快速性与密实性。
Novel blast hole sealing grouting material and preparation method thereof
The invention relates to the technical field of mine and underground engineering safety, and provides a novel blast hole sealing grouting material, which is prepared from the following raw materials in parts by weight: 2.5 to 3.5 parts of superfine Portland cement, 1.5 to 2.5 parts of silicon powder, 0.01 to 0.015 part of composite admixture and 2 to 3 parts of water, wherein the composite admixture is prepared from the following raw materials in parts by weight: 0.02 to 0.025 part of a composite efficient water reducing agent, 0.02 to 0.05 part of an expanding agent and 0.012 to 0.016 part of an accelerator. The invention also provides a preparation method of the novel blast hole sealing grouting material. The grouting material has the advantages that the fluidity is good, the bonding strength is high, the volume stability is good, and the plugging rapidity and compactness of large-diameter and large-depth drill holes can be remarkably improved after the grouting material is applied.
本发明涉及矿山与地下工程安全技术领域，提供了一种新型爆破孔封孔注浆材料，包括如下重量份数的原料：超细硅酸盐水泥2.5～3.5份，硅粉1.5～2.5份，复合外掺剂0.01～0.015份，水2～3份；其中，所述复合外掺剂包括如下重量份数的原料：复合高效减水剂0.02～0.025份，膨胀剂0.02～0.05份，速凝剂0.012～0.016份。本发明还提供了一种上述新型爆破孔封孔注浆材料的制备方法。本发明的优点在于：注浆材料的流动性好，粘结强度高，体积稳定性好，应用后能显著提高大直径、大深度钻孔的封堵快速性与密实性。
Novel blast hole sealing grouting material and preparation method thereof
一种新型爆破孔封孔注浆材料及其制备方法
CAO JUNZHI (author) / YANG HANYUN (author) / GUO KEBAO (author)
2021-07-23
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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