Description

1.Working anchor specification and the model meaning
Like:YJM***5
YJM means gripper anchorage,*5 means diamater of stranded wire,5 means the number of stranded wire.
2.The key part material:?
work anchorage head:*5# or *0Cr?,work gripper :*0CrMnTi.
3.hardness: work anchorage head:
*0HRC**3HRC? work gripper :*8~*6HRA
4.static load performance testing:
anchoring efficiency coefficient:more or equal 0.*5;total strain:more or equal 2.0%
5.the tensioning device:
YCQQ series jack, ZB****0 hydraulic pump.