Handbook for Bridge Inspections - TSP2
Handbook for Bridge Inspections - TSP2
Handbook for Bridge Inspections - TSP2
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Stone Elements<br />
Steel Elements<br />
Timber Elements<br />
* Settlement or movement<br />
* Cracks<br />
* Earth slips, landslides or mi ssing stones<br />
* Pointing which has been washed away or has becom e weathe<br />
red.<br />
* Settlement or movement<br />
* Cracks or breaks<br />
* Corrosion<br />
* Missing support braces/parts<br />
* Damage to cathodic protection<br />
* Settlement or movement<br />
* Cracks or breaks<br />
* Damage due to rotting<br />
* Missing pans/supporting sections<br />
* Corrosion of retaining bolts and steel stays<br />
* Worm infestati on<br />
* Scouring or wear and tear due to ice<br />
Figure 6.6-1 Erosion Gild Scouring<br />
Figure 6.6-2 Fa(led Areas<br />
6.7 Special Inspection<br />
When a special inspection has been initiated as a result ofa main<br />
inspection, the course of the inspection work could be as described<br />
below in Figure 6.7-1.<br />
6.7.1 Scope of Inspection<br />
A Special Inspection should be carried out either ofth.e entire bridge<br />
or only of critically exposed or damaged elements. A Special<br />
Inspection will encompass<br />
visual checks and/or surveys/materials testi ng.<br />
The type and scope of surveys and materials testing w ill be that<br />
stated in earl ier<br />
inspections, but should additionally be evaluated by t he Inspector.<br />
If the Special Inspection has not been in itiated by a previous<br />
inspection, the I<br />
<strong>Handbook</strong> <strong>for</strong> <strong>Bridge</strong> <strong>Inspections</strong> 79
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