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SAP2000 SAP2000 Web Tutorial 1

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43. In this table note the following:<br />

Figure D-9: Table For Capacity Spectrum<br />

• Step identifies the step number in the pushover curve.<br />

• Teff is the effective period at the associated step.<br />

• βeff is the effective damping at the associated step.<br />

• Sd(C) and Sa(C) define a point on the ADRS capacity curve for the associated step.<br />

• Sd(D) and Sa(D) define a point on the single demand spectrum (variable damping) curve<br />

for the associated step.<br />

• Alpha is the factor used in converting the base shear to spectral acceleration at the<br />

associated step.<br />

• PF*φ is the factor used in converting the displacement to spectral displacement at the<br />

associated step.<br />

• To print this table, click on the File menu at the top of the table and select either Print<br />

Tables, to print to a printer, or Print Tables To File..., to print the table to a file.<br />

44. Click the “X” in the upper right-hand corner of the table to close it.<br />

45. Select the Base Shear vs Control Displacement option in the Plot Type area.<br />

<strong>SAP2000</strong> <strong>Web</strong> <strong>Tutorial</strong> 1 120

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