The structural responses of tall buildings are different in reality from the values calculated from
structural analysis at the design stage due to various causes including assumptions in structural
modeling for analysis, differences between design drawings and actual work, and changes in service
loads. In case of high-rise buildings with a relatively high slenderness ratio greater than 5.0,
serviceability of high rise buildings against lateral loads such as wind and earthquake loads
must be checked not to exceed the limits on the serviceability-related structural responses. The
serviceability-related responses are used for the evaluation of the resistance against deformation and
typically include the maximum displacement or deflection, the maximum inter-story drift ratios, and
vibration level. Excessive lateral displacement or inter-story drift ratios can cause structural problems
as well as other diverse problems on non-structural elements such as damages to finishing materials,
while excessive horizontal acceleration level can bring feelings of unpleasantness to building
occupants. For these reasons various researches have been conducted on methods of measuring the
structural responses of high-rise buildings
The structural responses of tall buildings are different in reality from the values calculated fromstructural analysis at the design stage due to various causes including assumptions in structuralmodeling for analysis, differences between design drawings and actual work, and changes in serviceloads. In case of high-rise buildings with a relatively high slenderness ratio greater than 5.0,serviceability of high rise buildings against lateral loads such as wind and earthquake loadsmust be checked not to exceed the limits on the serviceability-related structural responses. Theserviceability-related responses are used for the evaluation of the resistance against deformation andtypically include the maximum displacement or deflection, the maximum inter-story drift ratios, andvibration level. Excessive lateral displacement or inter-story drift ratios can cause structural problemsas well as other diverse problems on non-structural elements such as damages to finishing materials,while excessive horizontal acceleration level can bring feelings of unpleasantness to buildingoccupants. For these reasons various researches have been conducted on methods of measuring thestructural responses of high-rise buildings
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