国家/地区 中国（2）
IPC部 C（2）
IPC大类 C04（2） E21（2）
IPC小类 C04B（2）
IPC C04B028/04（2）
发明人
公开年 2023（2）
申请年 2023（2）
专利权人

Advanced deep hole liquid explosion fracturing structure useful for downlink comprehensive digging hard rock tunnel, has bag injecting pipe whose end is set on outer side of blast hole, and bag hole sealing device filled with special blasting hole sealing grouting material.

YANG S, TONG X, GAO A, YANG J, XU G

Prefabricated building block used in isolation body for underground sealing, has cuboid with honeycomb skeleton structure, and pores of honeycomb skeleton structure are filled with graphite polystyrene foam particles, where honeycomb skeleton structure includes silicate cement, fiber and graphene.

YU J, SHI J, WU W