BS 7861-2:1997

Committees responsible
Foreword
Specification
1 Scope
2 Normative references
3 Definitions
4 Steel cablebolts and components
5 Grout
6 System performance criteria
Annexes
A (normative) Determination of failure mode of
    anchor assembly
B (normative) Mixing and pumping test
C (normative) Determination of uniaxial compressive
    strength of grout
D (normative) Determination of the elastic modulus of
    grout
E (normative) Determination of the expansion of grout
F (normative) Determination of system stiffness and
    load capacity of birdcaged cablebolt/grout systems
G (normative) Shear test on cablebolt/grout systems
Tables
1 Colour coding
2 Anchorage assembly test
3 Uniaxial compressive strength
Figures
1 Typical cablebolt arrangements
    A.1 Typical load test arrangement for strength
          test of in-line cablebolt and anchorage
          assembly
    B.1 Arrangement for mixing and pumping test
    E.1 Details of moulds
    F.1 Arrangement for double embedment pull test
    G.1 Diagram of shear frame for steel cablebolt/
          grout system test
    G.2 Typical shear force/shear displacement curve for
          double bridcaged cablebolt
List of references

Defines dimensional, material and performance requirements for birdcaged cablebolting support system components used in coal mines. Cover does not include the assembly or installation of these components for formation of a cablebolting support site system.