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A platform for research: civil engineering, architecture and urbanism
Tailing aggregate concrete and preparation method thereof
The invention relates to the technical field of concrete preparation, and particularly discloses tailing aggregate concrete and a preparation method thereof. The tailing aggregate concrete comprises the following raw materials in parts by weight: 180-220 parts of cement, 70-90 parts of mineral powder, 0-45 parts of fly ash, 45-90 parts of limestone powder, 10-35 parts of modified wheat straw fiber, 500-750 parts of tailing sand, 200-400 parts of tailing stone chips, 900-1100 parts of tailing ore, 3-5 parts of a polycarboxylic acid high-efficiency water reducing agent and 160-180 parts of water; The preparation method comprises the following steps: step 1, mixing and stirring the cement, the mineral powder, the fly ash, the limestone powder, the wheat straw fibers, the tailing sand, the tailing chips and the tailings for 60-90s to obtain uniformly stirred premixed concrete; and 2, mixing and stirring other raw materials and the premixed concrete for 90-120 seconds to obtain the tailingaggregate concrete. The tailing aggregate concrete can be used in constructional engineering construction, and has the advantages of good fluidity, stable working performance and low production cost.
本申请涉及混凝土制备的技术领域，具体公开了一种尾矿骨料混凝土及其制备方法。尾矿骨料混凝土包括如下重量份数的原料：水泥180‑220份、矿粉70‑90份、粉煤灰0‑45份、石灰石粉45‑90份、改性麦秸秆纤维10‑35份、尾矿砂500‑750份、尾矿石屑200‑400份、尾矿石900‑1100份、聚羧酸高效减水剂3‑5份、水160‑180份；其制备方法为：步骤一，将水泥、矿粉、粉煤灰、石灰石粉、麦秸秆纤维、尾矿砂、尾矿石屑和尾矿石混合搅拌60‑90s得到搅拌均匀的预拌混凝土；步骤二，将其他原料和预拌混凝土混合搅拌90‑120s得到尾矿骨料混凝土。本申请的一种尾矿骨料混凝土可用于建筑工程施工中，其具有流动性好、工作性能稳定、生产成本低的优点。
Tailing aggregate concrete and preparation method thereof
The invention relates to the technical field of concrete preparation, and particularly discloses tailing aggregate concrete and a preparation method thereof. The tailing aggregate concrete comprises the following raw materials in parts by weight: 180-220 parts of cement, 70-90 parts of mineral powder, 0-45 parts of fly ash, 45-90 parts of limestone powder, 10-35 parts of modified wheat straw fiber, 500-750 parts of tailing sand, 200-400 parts of tailing stone chips, 900-1100 parts of tailing ore, 3-5 parts of a polycarboxylic acid high-efficiency water reducing agent and 160-180 parts of water; The preparation method comprises the following steps: step 1, mixing and stirring the cement, the mineral powder, the fly ash, the limestone powder, the wheat straw fibers, the tailing sand, the tailing chips and the tailings for 60-90s to obtain uniformly stirred premixed concrete; and 2, mixing and stirring other raw materials and the premixed concrete for 90-120 seconds to obtain the tailingaggregate concrete. The tailing aggregate concrete can be used in constructional engineering construction, and has the advantages of good fluidity, stable working performance and low production cost.
本申请涉及混凝土制备的技术领域，具体公开了一种尾矿骨料混凝土及其制备方法。尾矿骨料混凝土包括如下重量份数的原料：水泥180‑220份、矿粉70‑90份、粉煤灰0‑45份、石灰石粉45‑90份、改性麦秸秆纤维10‑35份、尾矿砂500‑750份、尾矿石屑200‑400份、尾矿石900‑1100份、聚羧酸高效减水剂3‑5份、水160‑180份；其制备方法为：步骤一，将水泥、矿粉、粉煤灰、石灰石粉、麦秸秆纤维、尾矿砂、尾矿石屑和尾矿石混合搅拌60‑90s得到搅拌均匀的预拌混凝土；步骤二，将其他原料和预拌混凝土混合搅拌90‑120s得到尾矿骨料混凝土。本申请的一种尾矿骨料混凝土可用于建筑工程施工中，其具有流动性好、工作性能稳定、生产成本低的优点。
Tailing aggregate concrete and preparation method thereof
一种尾矿骨料混凝土及其制备方法
LUO ZUOQIU (author) / LI WEI (author) / WANG JUN (author) / MENG GANG (author) / ZHANG KAIFENG (author) / LI LEI (author) / WANG SHUANGXI (author) / DING LUJING (author) / MA JINLEI (author)
2021-03-09
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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