A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Shrinkage-compensating ultra-high performance concrete prepared from tailing sand and preparation method thereof
The invention belongs to the technical field of building materials, and particularly relates to shrinkage-compensating ultra-high performance concrete prepared from tailing sand and a preparation method. The invention provides shrinkage-compensating ultra-high performance concrete prepared from tailing sand and a preparation method thereof. The concrete is prepared from the following components inparts by weight: 400 to 1200 parts of tailing sand, 100 to 300 parts of tailing sand powder, 500 to 800 parts of cement, 100 to 200 parts of silica fume, 0 to 800 parts of fine aggregate, 120 to 200parts of steel fiber, 8 to 12 parts of additive and 160 to 190 parts of water. According to the invention, the chemical components and hardness characteristics of the tailing sand are combined, wherein the tailing sand powder is used as a powder material to form a new ultra-high performance concrete material composition system, so that the full utilization of waste resources is realized, the shrinkage of the ultra-high performance concrete is compensated, the strength of the ultra-high performance concrete is improved, and the raw material source of the ultra-high performance concrete is broadened.
本发明属于建筑材料技术领域，具体涉及利用尾矿砂制成的补偿收缩型超高性能混凝土及制备方法。本发明提供一种利用尾矿砂制成的补偿收缩型超高性能混凝土及制备方法，包括以下重量份的组分：尾矿砂400～1200份、尾矿砂粉100～300份、水泥500～800份、硅灰100～200份、细骨料0～800份、钢纤维120～200份、外加剂8～12份、水160～190份。本发明结合尾矿砂的化学成分和坚硬性特点，并根据最紧密堆积理论，将尾矿砂粉作为粉料使用，形成新的超高性能混凝土材料组成体系，不仅实现了废弃资源的充分利用，同时弥补了超高性能混凝土的收缩和提高了超高性能混凝土的强度，拓宽了超高性能混凝土的原材料来源。
Shrinkage-compensating ultra-high performance concrete prepared from tailing sand and preparation method thereof
The invention belongs to the technical field of building materials, and particularly relates to shrinkage-compensating ultra-high performance concrete prepared from tailing sand and a preparation method. The invention provides shrinkage-compensating ultra-high performance concrete prepared from tailing sand and a preparation method thereof. The concrete is prepared from the following components inparts by weight: 400 to 1200 parts of tailing sand, 100 to 300 parts of tailing sand powder, 500 to 800 parts of cement, 100 to 200 parts of silica fume, 0 to 800 parts of fine aggregate, 120 to 200parts of steel fiber, 8 to 12 parts of additive and 160 to 190 parts of water. According to the invention, the chemical components and hardness characteristics of the tailing sand are combined, wherein the tailing sand powder is used as a powder material to form a new ultra-high performance concrete material composition system, so that the full utilization of waste resources is realized, the shrinkage of the ultra-high performance concrete is compensated, the strength of the ultra-high performance concrete is improved, and the raw material source of the ultra-high performance concrete is broadened.
本发明属于建筑材料技术领域，具体涉及利用尾矿砂制成的补偿收缩型超高性能混凝土及制备方法。本发明提供一种利用尾矿砂制成的补偿收缩型超高性能混凝土及制备方法，包括以下重量份的组分：尾矿砂400～1200份、尾矿砂粉100～300份、水泥500～800份、硅灰100～200份、细骨料0～800份、钢纤维120～200份、外加剂8～12份、水160～190份。本发明结合尾矿砂的化学成分和坚硬性特点，并根据最紧密堆积理论，将尾矿砂粉作为粉料使用，形成新的超高性能混凝土材料组成体系，不仅实现了废弃资源的充分利用，同时弥补了超高性能混凝土的收缩和提高了超高性能混凝土的强度，拓宽了超高性能混凝土的原材料来源。
Shrinkage-compensating ultra-high performance concrete prepared from tailing sand and preparation method thereof
利用尾矿砂制成的补偿收缩型超高性能混凝土及制备方法
2020-10-02
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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