土木、建筑專業畢業設計翻譯--冷彎型鋼框架結構設計方法-建筑結構(編輯修改稿)

　

【文章內容簡介】 ion per Figure 1/2 minimum diameter anchor bolt and clip angle spaced at 6’ . with 8 8 screws 1/2 minimum diameter anchor bolt and clip angle spaced at 4’ . with 8 8 screws 1/2 minimum diameter anchor bolt and clip angle spaced at 2’ . with 8 8 screws Cantilevered joist to wood sill per Figure Steel plate spaced at 4’ . with 4No. 8 screws and 410d or 68d mon nails Steel plate spaced at 2’ . with 4No. 8 screws and 410d or 68d mon nails Steel plate spaced at 1’ . with 4No. 8 screws and 410d or 68d mon nails Cantilevered joist to wall track per Figure 1/2 minimum diameter anchor bolt and clip angle spaced at 6’ . with 8 8 screws 1/2 minimum diameter anchor bolt and clip angle spaced at 4’ . with 8 8 screws 1/2 minimum diameter anchor bolt and clip angle spaced at 2’ . with 8 8 screws For SI: 1 inch = mm, 1 psf = kN/m2, 1 mph = km/hr, 1 foot = . 1 Use the highest of the wind speed and exposure or the seismic requirements for a given site. 2 All screw sizes shown are minimum Table Floor Fastening Schedule1 Description of Building Elements Number and Size of Fasteners Spacing of Fasteners Floor joist to track of an interior load bearing wall per Figures and 2 8 screws Each joist Floor joist to track at end of joist 2 8 screws One per flange or two per bearing stiffener Subfloor sheathing to floor joists 8 screws2 6 inches on center on edges and 10 inches on center at intermediate supports For SI: 1 inch = mm 1 All screw sizes shown are minimum. 2 Head styles shall be buglehead, flathead, or similar with a minimum head diameter of inch (7 mm). Table Allowable Spans For ColdFormed Steel Floor Joists1,2,3,4 Single Span 33 ksi Steel Nominal Joist 30 psf Live Load 40 psf Live Load Size 5 S Spacing (inches) Spacing (inches) 12 16 24 12 16 24 2 x 6 x 33 1139。7 1039。7 939。1 1039。7 939。7 839。1 2 x 6 x 43 1239。8 1139。6 1039。0 1139。6 1039。5 939。1 2 x 6 x 54 1339。7 1239。4 1039。9 1239。4 1139。2 939。9 2 x 6 x 68 1439。6 1339。2 1139。6 1339。2 1239。0 1039。6 2 x 6 x 97 1639。1 1439。7 1239。9 1439。7 1339。3 1139。7 2 x 8 x 33 1539。8 1339。3 839。10 1439。0 1039。7 739。1 2 x 8 x 43 1739。1 1539。6 1339。7 1539。6 1439。1 1239。3 2 x 8 x 54 1839。4 1639。8 1439。7 1639。8 1539。2 1339。3 2 x 8 x 68 1939。8 1739。11 1539。7 1739。11 1639。3 1439。2 2 x 8 x 97 2139。10 1939。10 1739。4 1939。10 1839。0 1539。9 2 x 10 x 43 2039。6 1839。8 1539。3 1839。8 1639。8 1339。1 2 x 10 x 54 2239。1 2039。1 1739。6 2039。1 1839。3 1539。11 2 x 10 x 68 2339。8 2139。6 1839。10 2139。6 1939。7 1739。1 2 x 10 x 97 2639。4 2339。11 2039。11 2339。11 2139。9 1939。0 2 x 12 x 43 2339。5 2039。3 1439。1 2039。11 1639。10 1139。3 2 x 12 x 54 2539。9 2339。4 1939。7 2339。4 2139。3 1739。6 2 x 12 x 68 2739。8 2539。1 2139。11 2539。1 2239。10 1939。11 2 x 12 x 97 3039。9 2739。11 2439。5 2739。11 2539。4 2239。2 For SI: 1 inch = mm, 1 psf = kN/m2, 1 foot = . 1 Table provides the maximum clear span in feet and inches. 2 Bearing stiffeners shall be installed at all support points and concentrated loads. 3 Deflection criteria: L/480 for live loads。 L/240 for total loads. 4 Floor dead load = 10 psf ( kN/m2) 5 For actual size refer to Table . Table Allowable Spans For ColdFormed Steel Floor Joists1,2,3,4,5,6 Multiple Spans 33 ksi Steel Nominal Joist 30 psf Live Load 40 psf Live Load Size 7 Spacing (inches) Spacing (inches) 12 16 24 12 16 24 2 x 6 x 33 1239。10 1039。6 739。10 1139。0 939。0 639。7 2 x 6 x 43 1539。8 1339。6 1139。0 1439。0 1239。1 939。10 2 x 6 x 54 1739。7 1539。3 1239。5 1539。9 1339。8 1139。2 2 x 6 x