国家/地区 中国（3）
IPC部 C（3）
IPC大类 C04（3） D01（3） D06（2）
IPC小类 C04B（3）
IPC C04B016/06（3）
发明人 ZHANG Y（2）
公开年 2023（2）
申请年 2022（3）
专利权人

Low-grade concrete mixed with stone powder comprises cement, mineral powder, fly ash, stone powder, sand, gravel, water reducing agent, and water.

LIN J, JIANG W, XU Y, ZHANG J, HUANG C, ZHONG X

High-performance polyformaldehyde fiber useful for concrete, comprises polyformaldehyde/polyamide composite fiber and graphene fiber grafted with polyformaldehyde/polyamine.

ZHANG X, SHI J, ZHAO X, LOU L, YE L, ZHANG Y

Ultra-high toughness alkali excitation spraying concrete useful in slope, mine, tunnel, and underground engineering, comprises e.g. zeolite powder, sodium hydroxide solution, sodium silicate, nickel slag sand, thickening agent, modified polyacrylonitrile fiber, naphthalene water reducer, and water.

YANG D, ZHANG Y, CHEN B