JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. RR 21.03.00-3.3 Response Spectra Loads per IS 1893 2016 Automatically generated response spectra loads per IS 1893 2016 are now available in STAAD.Pro. Parent topic: RR 21.03.00-2 Features Affecting the Analysis and Design Engine Related referenceTR.32.10.1.8 2016年版IS:1893(パート1)に従った応答スペクトル仕様