Serviceability limit
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A serviceability limit defines the performance criterion for serviceability and corresponds to a conditions beyond which specified service requirements resulting from the planned use are no longer met. In limit state design, a structure fails its serviceability if the criteria of the serviceability limit state are not met during the specified service life and with the required reliability. Hence, the serviceability limit state identifies a civil engineering structure which fails to meet technical requirements for use even though it may be strong enough to remain standing.
A structure that fails serviceability has exceeded a defined limit for one of the following properties:
- Excessive deflection
- Vibration
- Local deformation
The exact limit states for different purposes are defined by the government or regulatory agency.
