An engineering Approach for 3-D Numerical Earthquake Analysis- Juniper Publishers
Civil Engineering Research Journal- Juniper Publishers Opinion This approximate calculation method is developed and designed for replacement of the arbitrary Non-Linear Push-Over (NLPO) method. The proposed rational methodology is an intermediate engineering approach between the Linear-Elastic Dynamic Modal Response Spectrum method and Non-Linear Dynamic Time Domain (History) method and comprises six steps, i.e. A. Step 1 Perform a numerical 3-D Linear-Elastic Dynamic Modal Response Spectrum calculation based on the relevant Horizontal Elastic Ground Acceleration Response Earthquake (Seismic) Spectrum (input). Utilize the Complete Quadratic Combination (CQC) method instead of the Square-Root-of-Sum-of-Squares (SRSS) method. Because it is well-known for a long era that application of the Square-Root-of-Sum-of-Squares (SRSS) method in seismic analysis for combining modal maxima can yield significant errors. B. Step 2 Extract the numerically determined (calculated) total component su...