Response Factor R (ASCE) - CAESAR II - Help

CAESAR II Users Guide

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English
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CAESAR II
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CAESAR II Version
12

Specifies the component response modification factor, from ASCE 7, Table 13.6-1. The software provides 3.5 as the default value for piping with joints made by welding or brazing. Type a value range as low as 3.0 for other joints and for less ductile materials.

ASCE 7, Table 13.6-1 defines the default value as 12 for piping with joints made by welding or brazing. However, CAESAR II uses the default value of 3.5 in accordance with B31E (Standard for Seismic Design), Paragraph 3.1: "When the seismic design force is computed based on Para.13.3.1 of ASCE7... the parameter Rp shall not exceed 3.5..."