Civil Engineering Reference
In-Depth Information
35
30
25
20
15
10
5
0
Patch
Patch+C
C Inj
C Inj+C
Coating
Spray
Strengthen
14.4.2 Repairs to mechanical and other damage
The most common techniques and combinations used to repair damage
caused by mechanical and other actions are shown in
Figure 14.8
and
summarised as follows:
• Patching was carried out in 40 per cent of the repairs and 30 percent of
the patches were accompanied by coating.
•
Crack injection was carried out in 30 per cent of the repairs and 10 per
cent of the injections were accompanied by coating.
•
Sprayed concrete was applied in 10 per cent of the repairs.
•
Solo coatings were applied in 25 per cent.
•
Strengthening was carried out in 15 per cent.
Note that due to some of the repair techniques being used in combination,
the above percentages exceed 100 percent in total.
14.5 Performance of repairs
Performance of the repairs was classified by the respondents as follows:
•
Successful and not requiring attention, as identified at the last inspection
•
Exhibiting early evidence of failure and considered to be unsatisfactory
but not requiring immediate attention
•
Failed and requiring immediate attention.
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