Description

1.Concrete anchor specification and the model meaning

like:YJM***3:

YJM means gripper anchorage, *5 means diameter of stranded wire, 3 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:*3HRC (**6 HBS) 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.