The basic construction technology of the anchorage glue: measuring the payout line → forming the hole → clearing hole → filling the anchoring adhesive and planting rebar.
However, in the actual engineering, the technology of planting rebar can not meet the specification requirements,inculding the following points:
1.Place the line, not accurate
2.Hole depth and aperture did not meet the requirements
3.Do not clean holes after drilling
4.Did not inject enough anchorage glue
5.There is a problem in the quality of the anchorage glue
6.After curing, pull test failed
Therefore, it is necessary to control the construction technology and process strictly, strengthen the quality inspection and acceptance of the anchor to ensure that the process of reinforcement of chemical reinforcement .