A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Iron tailing fine sand and preparation and application thereof
The invention provides iron tailing fine sand and preparation and application thereof.The iron tailing fine sand is prepared from, by mass, 1%-6% of metal oxide, 2%-4% of air entraining agent, 3%-5% of polyvinyl alcohol aqueous solution, 6%-12% of sodium silicate, 4%-9% of sepiolite and the balance iron tailing sand. The activity and appearance of the sand body are effectively improved, a coated core-shell structure is formed, the sand body is used for replacing river sand to prepare concrete mortar, the concrete mortar has excellent workability and mechanical performance, the recycling possibility is greatly improved, and the prepared concrete product is stable and excellent in performance and worthy of application and popularization.
本发明提出了一种铁尾矿细砂及其制备与应用，该铁尾矿细砂包括以下质量百分含量组分，金属氧化物1‑6%、引气剂2‑4%、聚乙烯醇水溶液3‑5%、硅酸钠6‑12%、海泡石4‑9%、铁尾矿砂余量，本申请通过合理配制铁尾矿细砂组分，有效改善了砂体的活性、外形以及形成包覆的核壳结构，用于替代河砂制备混凝土砂浆具有优异的和易性和力学性能，大大提高了再生利用可能性，制备的混凝土产品性能稳定优异，值得推广应用。
Iron tailing fine sand and preparation and application thereof
The invention provides iron tailing fine sand and preparation and application thereof.The iron tailing fine sand is prepared from, by mass, 1%-6% of metal oxide, 2%-4% of air entraining agent, 3%-5% of polyvinyl alcohol aqueous solution, 6%-12% of sodium silicate, 4%-9% of sepiolite and the balance iron tailing sand. The activity and appearance of the sand body are effectively improved, a coated core-shell structure is formed, the sand body is used for replacing river sand to prepare concrete mortar, the concrete mortar has excellent workability and mechanical performance, the recycling possibility is greatly improved, and the prepared concrete product is stable and excellent in performance and worthy of application and popularization.
本发明提出了一种铁尾矿细砂及其制备与应用，该铁尾矿细砂包括以下质量百分含量组分，金属氧化物1‑6%、引气剂2‑4%、聚乙烯醇水溶液3‑5%、硅酸钠6‑12%、海泡石4‑9%、铁尾矿砂余量，本申请通过合理配制铁尾矿细砂组分，有效改善了砂体的活性、外形以及形成包覆的核壳结构，用于替代河砂制备混凝土砂浆具有优异的和易性和力学性能，大大提高了再生利用可能性，制备的混凝土产品性能稳定优异，值得推广应用。
Iron tailing fine sand and preparation and application thereof
一种铁尾矿细砂及其制备与应用
DAI XUEWU (author) / QIN GUOXIN (author) / JIAO MIAO (author) / MEI DONGLIN (author) / DAI WEI (author) / LIU WEISONG (author) / WU YACHUN (author) / SUN YULIN (author) / LI ZHOULONG (author) / CHEN YUYANG (author)
2022-03-25
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Superfine iron tailing sand concrete and preparation method thereof
| European Patent Office | 2022
Multilayer grouting device for iron tailing fine sand concrete
| European Patent Office | 2024
| European Patent Office | 2023
Ultrahigh-performance iron tailing sand concrete and preparation method thereof
| European Patent Office | 2024