ASCE 7-05 Seismic Loads on Curtainwall





Choose Stud Designation 250S137-33 33 KSI 250S137-43 33 KSI 250S137-54 50 KSI 250S137-68 50 KSI 250S162-33 33 KSI 250S162-43 33 KSI 250S162-54 50 KSI 250S162-68 50 KSI 350S162-33 33 KSI 350S162-43 33 KSI 350S162-54 50 KSI 350S162-68 50 KSI 362S137-33 33 KSI 362S137-43 33 KSI 362S137-54 50 KSI 362S137-68 50 KSI 362S162-33 33 KSI 362S162-43 33 KSI 362S162-54 50 KSI 362S162-68 50 KSI 362S200-33 33 KSI 362S200-43 33 KSI 362S200-54 50 KSI 362S200-68 50 KSI 400S137-33 33 KSI 400S137-43 33 KSI 400S137-54 50 KSI 400S137-68 50 KSI 400S162-33 33 KSI 400S162-43 33 KSI 400S162-54 50 KSI 400S162-68 50 KSI 400S200-33 33 KSI 400S200-43 33 KSI 400S200-54 50 KSI 400S200-68 50 KSI 550S162-33 33 KSI 550S162-43 33 KSI 550S162-54 50 KSI 550S162-68 50 KSI 600S162-33 33 KSI 600S162-43 33 KSI 600S162-54 50 KSI 600S162-68 50 KSI 600S162-97 50 KSI 600S200-33 33 KSI 600S200-43 33 KSI 600S200-54 50 KSI 600S200-68 50 KSI 600S200-97 50 KSI 600S250-43 33 KSI 600S250-54 50 KSI 600S250-68 50 KSI 600S250-97 50 KSI 800S162-33 33 KSI 800S162-43 33 KSI 800S162-54 50 KSI 800S162-68 50 KSI 800S162-97 50 KSI 800S200-33 33 KSI 800S200-43 33 KSI 800S200-54 50 KSI 800S200-68 50 KSI 800S200-97 50 KSI 800S250-43 33 KSI 800S250-54 50 KSI 800S250-68 50 KSI 800S250-97 50 KSI 1000S162-43 33 KSI 1000S162-54 50 KSI 1000S162-68 50 KSI 1000S162-97 50 KSI 1000S200-43 33 KSI 1000S200-54 50 KSI 1000S200-68 50 KSI 1000S200-97 50 KSI 1000S250-43 33 KSI 1000S250-54 50 KSI 1000S250-68 50 KSI 1000S250-97 50 KSI 1200S162-54 50 KSI 1200S162-68 50 KSI 1200S162-97 50 KSI 1200S200-54 50 KSI 1200S200-68 50 KSI 1200S200-97 50 KSI 1200S250-54 50 KSI 1200S250-68 50 KSI 1200S250-97 50 KSI   (Nomenclature as per SSMA standard.  SSMA is Steel Stud Manufacturer's Association.)

Choose Maximum Wall Height  6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50  Feet  0 1 2 3 4 5 6 7 8 9 10 11  Inches (Maxmimum length of wall stud. Can be a 2-story ballooned framed stud)

Choose Stud Span  6 7 8 9 10 11 12 13 14 15 16 17 18 19 20  Feet 0 1 2 3 4 5 6 7 8 9 10 11  Inches (Stud Span between supports.)

Choose Elevation, above grade, of Mid-Point of Stud Span in question 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40  Feet 0 1 2 3 4 5 6 7 8 9 10 11  Inches   (Denotes where in wall the stud span is located.)

Choose Stud Spacing  6 8 12 16 24  Inches

Choose Seismic Site Classification  undefined A B C D E F  (As specified in ASCE 7-05 Table 20.3-1)

Choose Short Period Spectral Response Acceleration, Ss as % of g   (As read from ASCE 7-05 Map Figure 22-1)

Choose 1 Second Period Spectral Response Acceleration, S1 as % of g  (As read from ASCE 7-05 Map Figure 22-2)

Sheathing Description       Number Of Sheathing Layers

Sheathing Weight per Sq. Ft., per layer  Lbf / ft^2

Veneer Description

Veneer Weight per Sq. Ft.  Lbf / ft^2

  (Results will be displayed on the next web page titled "ASCE 7-05 Curtainwall Seismic Loads - Calculated Results".)


Important Note:  This analysis tool is intended to serve as a general guide to architects and contractors for estimating seismic loads on curtainwall studs.   This tool must NOT be used for construction, final design and/or selection of curtainwall studs without an independant evaluation by a qualified cold-formed steel design engineer.  There are other factors, other than those listed above, which may impact upon the design/selection process of curtainwall studs, which are NOT addressed by this tool.  K2 Engineering, Inc. and it's employees and associates, specifically disclaim any responsibility and/or liability for failure, or any other sort of consequential damages, resulting from the misuse or mis-application of this tool and its results.   K2 Engineering, Inc. makes no warranties, expressed or implied, regarding this tool.  The User of this tool proceeds at his/her own risk.