Hollow rod shear connector having static mixing system and method for setting a hollow rod shear connector in a rock layer

A hollow rod composite anchor for stabilizing rock strata in mining, tunnel construction, civil engineering and rock construction, at least comprising

• an anchor base comprising one or more outlet channels;
• and
• a hollow rod which can be fastened to the anchor base and comprises a static mixing device adjoining the anchor base, a cartridge which is divided into two compartments by a partition wall and is intended to receive chemical fastening agents, and a two-part squeezing plunger corresponding to the compartment division,
• wherein the static mixing device comprises a first end, an opposite second end, and a plurality of mixing elements arranged one behind the other, wherein, within the static mixing device, the chemical fastening agents flow first in a first direction from the first end toward the second end, subsequently in a second direction toward the first end, and further subsequently in the first direction toward the second end as the chemical fastening agents pass through the static mixing device.