Injection bolt with a fixed static mixer for use in securing a rock mass

摘要

Disclosed is an injection bolt for use in securing a rock mass. The bolt includes a shaft for insertion into a hole in the rock mass. The shaft has a profile and forms a profiled internal bore which includes an inlet suitable for connection to an anchoring material pump and an outlet for injecting anchoring material into the hole in the rock mass. The bolt further includes a static mixer for mixing multiple components of the anchoring material. The static mixer is fixed in place by the profile within the internal bore.