Handbook for Bridge Inspections - TSP2

9 DAMAGE EVALU­
ATION CATALOGUE
The detailed list of the different categories of damage is intended
to assist in the assessment of the significance of any damage to
individual bridges in ajustifiable and proper manner.
Sub-chapters
The list has been divided into Ihe fotlowing II sub-chapters which
deal with types of damage to different materials and to the usual
elements and accessories fou nd on a bridge.
9. 1 Elements in or on Ihe Ground
9.2 Concrete Elements
9.3 Steel Elements
9.4 Masonry Elements
9.5 Timber Elements
9.6 Wearing surfaces/insu lat ion against dampness
9.7 Bearings with bearing shelflbearing shelf
9.8 Joints/joint threshold
9.9 Raili ngs & parapets
9.10 Dra inage system
9. 11 Other items of equipment
Each of the above elements are in turn subdivided into the different
types of damage - refer to Chapter 5.2 "Types of Damage".
The following standard layout should be used for each type of
damage:
Description
Ca use of Damage
Re leva nt
Measu rements/Materials
Testing
Degree of Damage and the
Consequenses
Condition w hich trigger
Maintenance Works
Action to be ta ken
Examples
Explanation of the damage in question
Possible causes of the damage ari sing
Measurements /materials testing which ought to be undertaken in
order to discover hidden damage, to ascertain its scope and to project
future developments and/or propose possible causes of damage.
Description of how to evaluate the seriousness and consequences
of the particular type of damage.
Requirements and recommendations concerning the condition
which can trigger maintenance work . A degree of damage':::"2 is
requ ired as a minimum.
Suggested action needed to fo llow up a damage or repa ir it.
Most of the types of damage will be described with illustrat ions.