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A platform for research: civil engineering, architecture and urbanism
Concrete material suitable for long-distance transportation underground pumping and preparation method thereof
The invention relates to a concrete material suitable for long-distance transportation and underground pumping and a preparation method of the concrete material, and belongs to the field of mine filling mining and building materials. Comprising the following components in parts by mass: 20-25 parts of cement clinker, 20-25 parts of fly ash, 10-15 parts of fine sand, 20-25 parts of coal gangue, 20-25 parts of rice stone, 0.04-0.06 part of hydroxypropyl methyl cellulose ether and 1-4 parts of a modifier, by means of the method, it can be guaranteed that the flowing property and the setting time of slurry are mutually coordinated in the long-distance pipeline conveying process, the layering and segregation phenomena of slurry materials are avoided, the compressive strength of the materials is guaranteed, mineral solid waste resources such as coal gangue are effectively utilized, and the resource utilization degree is high.
本发明涉及一种适用于长距离运输井下泵送的混凝土材料及其制备方法，属于矿山充填开采和建筑材料领域，其特征在于，包括如下组分及其质量份数：水泥熟料20‑25份、粉煤灰20‑25份、细砂10‑15份、煤矸石20‑25份、米石子20‑25份、羟丙基甲基纤维素醚0.04‑0.06份、改性剂1‑4份；本发明能够保证长距离管路输送过程中浆体的流动性能与凝结时间相互协调，避免浆体材料发生分层离析现象，确保材料抗压强度，并有效利用了煤矸石等矿物固废资源，资源化利用程度高。
Concrete material suitable for long-distance transportation underground pumping and preparation method thereof
The invention relates to a concrete material suitable for long-distance transportation and underground pumping and a preparation method of the concrete material, and belongs to the field of mine filling mining and building materials. Comprising the following components in parts by mass: 20-25 parts of cement clinker, 20-25 parts of fly ash, 10-15 parts of fine sand, 20-25 parts of coal gangue, 20-25 parts of rice stone, 0.04-0.06 part of hydroxypropyl methyl cellulose ether and 1-4 parts of a modifier, by means of the method, it can be guaranteed that the flowing property and the setting time of slurry are mutually coordinated in the long-distance pipeline conveying process, the layering and segregation phenomena of slurry materials are avoided, the compressive strength of the materials is guaranteed, mineral solid waste resources such as coal gangue are effectively utilized, and the resource utilization degree is high.
本发明涉及一种适用于长距离运输井下泵送的混凝土材料及其制备方法，属于矿山充填开采和建筑材料领域，其特征在于，包括如下组分及其质量份数：水泥熟料20‑25份、粉煤灰20‑25份、细砂10‑15份、煤矸石20‑25份、米石子20‑25份、羟丙基甲基纤维素醚0.04‑0.06份、改性剂1‑4份；本发明能够保证长距离管路输送过程中浆体的流动性能与凝结时间相互协调，避免浆体材料发生分层离析现象，确保材料抗压强度，并有效利用了煤矸石等矿物固废资源，资源化利用程度高。
Concrete material suitable for long-distance transportation underground pumping and preparation method thereof
一种适用于长距离运输井下泵送的混凝土材料及其制备方法
LI XIUSHAN (author) / SHI XIANYUAN (author) / WEI GUANGBIN (author) / XUAN ZHAOJUN (author) / SHEN HAIDONG (author) / WANG JUANJUAN (author) / JING WEIKE (author)
2023-10-10
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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