01-08-2023 дата публикации
Номер: CN116517554A
Автор:
GENG ZHI,
KANG YONGSHUI,
ZHANG RUI,
LI XIANG,
HE ZUNJING,
CHEN ZIYOU,
ZHU YUANGUANG,
LEE IN OK,
LUAN BO,
LIU BIN,
CHENG XIANG,
DU DUOPENG
Принадлежит:
The invention discloses a deep high ground stress roadway full-length anchoring pressure relief support cooperative control method and structure, and the method comprises the following steps: S1, drilling small hole pressure relief hole groups: drilling a plurality of small hole pressure relief hole groups in surrounding rocks at different positions of a roadway at intervals, each small hole pressure relief hole group is located in the range from shoulder nests to the side angles on the two sides of the roadway and distributed in a fan shape. S2, reaming sections are drilled, specifically, the reaming sections are drilled on single holes of each small hole pressure relief hole group, and the reaming sections are located in a surrounding rock high-stress area; s3, a grouting system and an anchor cable are installed, specifically, the grouting system and the anchor cable are installed in a single hole of each small hole pressure relief hole group; s4, hole sealing is conducted, specifically ...
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