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How do I superimpose generated equivalent loads from the seismic analysis?

Answer

When calculating by using the Equivalent Load Method, an equivalent load is determined from the individual mode shapes as the name implies. After a successful determination, you can export these equivalent loads in RFEM. RFEM automatically creates load cases in this way.

These exported load cases are now displayed in a result combination is superimposed. One always uses a quadratic superposition for earthquake storm loads. Two types of superposition are possible here. First, the frequently used SRSS Rule and the CQC Rule. All load cases from the earthquake will always be considered as Stöndig and superimposed according to the respective regulations. The calculation rules are governed by the common standards.

Keywords

Overlay Earthquake Dynamics

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RSTAB Dynamic Analysis
DYNAM Pro - Equivalent Loads 8.xx

Add-on Module

Seismic and static load analysis using the multi-modal response spectrum analysis

Price of First License
580.00 USD
RFEM Dynamic Analysis
RF-DYNAM Pro - Equivalent Loads 5.xx

Add-on Module

Seismic and static load analysis using the multi-modal response spectrum analysis

Price of First License
760.00 USD