Medium-sized mirror reinforcement "SP Face Method"
It can also be applied to various types of all-directional pre-reinforcement.
The "SP Face Method" is a high-speed, economical medium-length face bolt method that allows for easy work with "3 meters of excavation" at a time. When combined with the high-speed fore-poling "SP-IF Method," it is effective in a 3-meter cycle. 【Overview】 - Install a 6-meter hollow FRP bolt in front of the face without connections and excavate in 3-meter increments. - It is effective in a 3-meter cycle when combined with the high-speed fore-poling "SP-IF Method." For more details, please contact us or download the catalog.
- Company：エスティーエンジニアリング
- Price：Other
