98-7978 - Laserfiche WebLink

Browse Search

A TT ACHED & FREEST ANDING COVERS AND UTILITY SHEDS SECTION 2 Table 2.1.1: Allowable Roof Beam Spans for Carports, Patio Covers, Screen Rooms, and other Open Buildings with Solid Roofs Aluminum Alloy 6063 T-6 '-- ',,-- Wind Zone = 102 MPH I 110 MPH I 120 MPH I 125 MPH I 140 MPH Applied Load = 17# / Sq. Ft I 20# / Sq. Ft I 23# / Sq. Ft I 26# I Sq. Ft I 32# / Sq. Ft Load Width . 2" x 3" x 0.050" Hollow Tilt 5' 9'-9" '9'-0" 8'-5" 7'-11 " 7'-1 " 6' 8'-11" 8'-3" 7'-a" 7'-2" 6'-6" 7' 8'-3" 7'-7" 7'_1" 6'-a" 6'-0" 8' 7'-9" 7'-1 " 6'-a" 6'.3" 5'-a" 9' 7'-3" 6'-a" 6'-3" 5'-11 " 5'-4" 10' 6'-11" 6'-4" 5'-11 " 5'.7" 5'-0" 11' 6'-7" 6'-1" 5'-a" 5'-4" 4'-10" 12' 6'-4" 5'.10" 5'-5" , 5'-1" 4'-7" Load Width 2" x 3" x 0.050 Hollow 5' 11 '-1" 10'-3" 9'-7" 8'-11 " 8'.1" 6' 10'-2" 9'-4" 8'.9" 8'-2" 7'-5" 7' 9'-5" 8'-a" 8'.1" 71.7" 6'-10" 8' 8'-9" 8'-1" 7'-7" 7'.1" 6'-5" 9' 8'-3" 7'-a" 7'-1 " 6'-a" 6'-0" 10' 7'.10" 7'-3" 6'-9" 6'-4" 5'-9" 11' 7'-6" 6'-11" 6'-5" 6'-1" 5'-6" 12' 7'-2" 6'.7" 6'-2" 5'-10" 5'-3" Load Width 2" x 4" x 0.050 Hollow Tilt 5' 12'-3" 11 '-3" 10'-6" 9'-11 " 8'-11 " 6' 11 '.2" 10'-4" 9'-7" 9'-0" 8'-2" 7' 10'-4" 9'.7" 8'.11" 8'-4" 7'-7" 8' 9'-a" 8'-11" 8'-4" 7'-10" 7'.1" 9' 9'-2" 8'-5" 7'-10" 7'.5" 6'-a" 10' 8'-a" 7'-11 " 7'-5" 7'..0" 6'-4" 11' 8'-3" 7'-7" 7'-1 " 6'-a" 6'-0" 12' 7'-11" 71-3'1 6'-10" 6'-5" 5'-9" Load Width 2" x 4" x 0,050" Hollow S' 13'.9" 12'-a" 11'-10" 11 '.1" 10'-0" 6' 12'-7" 11 '.7" 10'-9" 10'-2" 9'-2" 7' 11'.7" 10'-a" 9'-11 " 9'-5" 8'-6" 8' 10'-10" 10'-0" 9'-4" 8'-9" 7'-11 " 9' 10'-3" 9'.5" 8'-10" 8'-3" 7'-6" 10' 9'-9" 8'-11 " 8'-4" 7'-10" 7'-1 " 11' 9'.3" 8'-6" 7'-11 " 7'-6" 6'-9" 12' 8'-10" 8'.2" 7'-a" 7'.2" 6'-6" Load Width 2" x 4" x 0.038" x 0,100" Self Mating Beam 5' 14'-6" 13'-4" 12'-6" 11 '-9" 10'-7" 6' 13'-3" 12'.2" 11 '-4" 10'-a" 9'-a" 7' 12'.3" 11 '-3" 10'.Q" 9'-11" 8'-11" 8' 11'-5' 10'-7" 9'-10" 9'-3" 8'-4" 9' 10'.10 9'-11" 9'-3" 8'-9" 7'-10" 10' 10'-3" 9'-5" 8'-10" 8'-3" 7'.Q" 11' 9'-9" 9'-0" 8'-5" 7'-11" 7'.1 " 12' 9'-4" 8'-7" 8'-1" 7'-7" 6'-10" Example; For 2" x 4" x 0038" x 0,100" Self-Mating Beam; Beam span between uprights use load width to enter table. For 12' Roof Panel + 2' Overhang; Load \llJidth = LW = 12' 12 + 2' O.H. = 8' ; Enter table on left at 8' read allowable span under required load; Thus for 100 M.P.H. wind loadllive load or 17 #/Sq Ft. and Load \llJidth = 8'-0" Maximum Beam Span for 2" x 4" x 0,038" x 0.100" = ~ 11 '-5" ~ Spans do not include length of knee brace Add hOrizontalleng Of knee brace 0 above spans fortotal beam spans ,-,- Lawrence E. Bennett, P.E. aw. ENGIEER - DEVaCRENT cc:wsu. TANr P.O. BOX <4388, 80UTlf DAYTONA, Fl 32121 TB..EPHotoE (904) 787-4n4 FAX (904) 787-8558 @ COPYRIGHT 1998 NOT TO BE REPRODUceo IN WHOlE OR IN PART WITHouT TtE WRrrTEN PEJNSsION OF LAWRENCE E IIEN'ETT, P.E. SEAL PAGE 59