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Questions and Answers
What is the purpose of calculating the center of rigidity for a given floor diaphragm?
What is the purpose of calculating the center of rigidity for a given floor diaphragm?
- To analyze the building's resistance to torsional forces (correct)
- To check for irregularity in the building's design
- To determine the building's overall stiffness
- To find the location of the building's center of mass
What is the formula used to calculate the center of rigidity (X,Y) from the three load cases?
What is the formula used to calculate the center of rigidity (X,Y) from the three load cases?
- X = Rzx / Rzy and Y = Rzz / Rzx
- X = -Rzy / Rzz and Y = Rzx / Rzz (correct)
- X = Rzy / Rzz and Y = -Rzx / Rzz
- X = Rzz / Rzy and Y = Rzx / Rzz
What is the purpose of calculating the eccentricity between the center of mass and center of rigidity?
What is the purpose of calculating the eccentricity between the center of mass and center of rigidity?
- To analyze the building's resistance to torsional forces
- To check for irregularity in the building's design (correct)
- To find the location of the building's center of mass
- To determine the building's overall stiffness
What is the maximum acceptable percentage of eccentricity between the center of mass and center of rigidity for a building to be considered safe against turning?
What is the maximum acceptable percentage of eccentricity between the center of mass and center of rigidity for a building to be considered safe against turning?
Where in ETABS can the values for the center of mass and center of rigidity be found?
Where in ETABS can the values for the center of mass and center of rigidity be found?
What is the purpose of the diaphragm assignment in the ETABS model?
What is the purpose of the diaphragm assignment in the ETABS model?
What is the significance of the center of rigidity in the analysis of a building's structural performance?
What is the significance of the center of rigidity in the analysis of a building's structural performance?
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