PHOSPHOGYPSUM-BASED BACKFILL MATERIAL AND PREPARATION METHOD THEREOF

    公开(公告)号:US20240343650A1

    公开(公告)日:2024-10-17

    申请号:US18625931

    申请日:2024-04-03

    申请人: Jin Hu

    发明人: Jin Hu

    摘要: Disclosed is a phosphogypsum-based backfill material, including the following components in parts by weight: 0.2-0.8 parts of water, 0.01-0.3 parts of a cement, 0.01-0.6 parts of a fly ash, 0-0.6 parts of a stone powder, 0-3 parts of a sand, and 0-5 parts of a stone; and further including the following components in parts by weight: 1 part of any one or a combination of two or more selected from the group consisting of phosphogypsum, a modified phosphogypsum, and a modified phosphogypsum powder, and 0-0.5 parts of any one selected from the group consisting of a basalt fiber, graphite, and a steel fiber.