hi, good day to everyone.
how can we justifly the intensity of the damage in the bridge. there are certain scales that developed by different researchers to classify the level of the damage. some damages are minor moderate and severe. but i need to know how can we justify weather its minor or major damage. does this require any expert who can inspect the damage? or there are other ways we can predict the level of the damage?
thanks
Check chapter 4 of FHWA manual, attached below, or similar standards or manuals acceptable in your region.
https://www.fhwa.dot.gov/publications/research/infrastructure/bridge/06032/06032.pdf
Dear Mateen Ali
If the purpose of damage classification is to assess rehabilitation requirement, then as Samy Elhadi Oussadou
mentions, site inspection of the Bridge is a must. On site measurements needs to be tabulated, also samples at strategic locations must be collected in order to assess the stage of deterioration of the bridge materials. Severity of damage usually corresponds to extreme corrosion and deterioration as well as major loss of material.Since the damage itself has multitude of causes, it is therefore difficult to accurately predict the level of damage. However, main benchmarking may be used to assess the damage pertaining to a particular type by identifying and classifying the values for particular common damage causes such as carbonation, sulphate attack, chloride ion penetration, environmental and physical attack such as freeze thaw etc, and rather than trying to predict the condition of the structure as a whole, condition correlating to individual identifiers may be used to prescribe rehabilitation methods to increase the service life of the structure.
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