Week 07 Notes
Ultimate LimitState ULS strengthlimitstate
ensure extreme loadscanbesafely carried
by a structure without failure or collapse
serviceabilitylimitstate SLS
Deformationlimitstate
ensuresundereverydayloadingdeflections remain
within an acceptable range
Factor of Safety SF
Represents actualloadstress or deformation of a systemandtheloadstress
a safety marginbetween the
or deformation limit that would failure according tothedesign
1 safe system criteria SF SFC failure
SFstrength load or stress carryingcapacity
actual load or stress
SF deformation allowabledeflection deformation
actual deflection deformation
Ultimate LimitState ULS strengthlimitstate
ensure extreme loadscanbesafely carried
by a structure without failure or collapse
serviceabilitylimitstate SLS
Deformationlimitstate
ensuresundereverydayloadingdeflections remain
within an acceptable range
Factor of Safety SF
Represents actualloadstress or deformation of a systemandtheloadstress
a safety marginbetween the
or deformation limit that would failure according tothedesign
1 safe system criteria SF SFC failure
SFstrength load or stress carryingcapacity
actual load or stress
SF deformation allowabledeflection deformation
actual deflection deformation