UBC 97 Uniform Building Code
- Zeynep Aladağ
- İsmail Hakki BESLER
UBC 97: 1997 Uniform Building Code
UBC 97 refers to the 1997 Uniform Building Code, one of the world's most widely used model building codes.
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Analysis settings that vary depending on the UBC 97 are explained in detail.
UBC 97 Options Tab in ideCAD Structural
Specifications |
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Structural system type  The type of structural system for X and Y direction is selected in accordance with the design of the building. |
Response modification coefficient It is the response modification coefficient value. This row is automatically refreshed when the structural system type is chosen. |
Overstrength factor It is the strength excess coefficient value. This row is automatically refreshed when the structural system type is chosen. |
Redundancy factor It is the redundancy factor value. This row is automatically refreshed when the structural system type is chosen. |
ELF Ct parameter It is the ELF Ct parameter. This row is automatically refreshed when the structural system type is chosen. |
Accidental eccentricity ratio The eccentricity ratio to be used during the analysis is given as a percentage. |
Use custom vertical seismic load factor If checked, the custom vertical seismic load factor which entered in "factor to use (instead of 0.2 SDS)" line is used. |
Structural system If the building block consists of only concrete elements, Concrete; if it consists of only steel elements, Steel; Steel + Concrete option is selected if it consists of concrete and steel elements. |
Building Risk Category Building risk category value is selected from the list according to the purpose of use of the building. |
Story drift check Allowable story drift value is entered. |
Response Spectrum Tab
Specifications |
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Spectrum curve The spectrum curve resulting from the settings is shown. |
Function name The name of the spectrum function. |
Spectrum multiplier Factor of spectrum function. |
Soil profile type Soil profile type is selected for the response spectrum. |
Seismic zone factor Seismic zone factor value is entered for the response spectrum. |
Seismic source type Seismic source type is selected for the response spectrum. |
Distance to source [km] Distance to source value is entered for the response spectrum. |
User defined values If this option is selected, parameters such as Ca, Cv, Na and Nv become active. |
Ca/Cv Seismic coefficient value is entered for the response spectrum. |
Na Near source factor use in the detemination of Ca for the response spectrum. |
Nv Near source factor use in the detemination of Cv for the response spectrum. |
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