|
F r Fr `"q r - suec ;is"'- l, ,..// i _ " -,i fej� F � : z�,-,-,.� /.
<br /> 71
<br /> ‘1,--';':;:•,-,-,("e-fa--'*;e5 :4Y:-- ¢-- �.-" A F - ` ,1w- #i 1' '-'M' ji/ f<try G �,f' i /of !i -4;-;
<br /> Screw Capacities
<br /> Table Notes
<br /> 1. Capacities based on AISI S100 Section E4. 6. Pull-out capacity is based on the lesser of pull-out capacity in
<br /> 2. When connecting materials of different steel thicknesses or sheet closest to screw tip or tension strength of screw.
<br /> tensile strengths, use the lowest values.Tabulated values 7. Pull-over capacity is based on the lesser of pull-over capacity for
<br /> assume two sheets of equal thickness are connected. sheet closest to screw header or tension strength of screw.
<br /> 3. Capacities are based on Allowable Strength Design (ASD)and 8. Values are for pure shear or tension loads. See AISI Section E4.5
<br /> include safety factor of 3,0. for combined shear and pull-over.
<br /> 4. Where multiple fasteners are used, screws are assumed to 9. Screw Shear(Pss), tension (Pts),diameter,and head diameter
<br /> have a center-to-center spacing of at least 3 times the nominal are from CFSEI Tech Note(F701-12).
<br /> diameter(d). 10.Screw shear strength is the average value, and tension strength
<br /> 5. Screws are assumed to have a center-of-screw to edge-of-steel is the lowest value listed in CFSEI Tech Note (F701-12).
<br /> dimension of at least 1,5 times the nominal diameter(d)of the 11.Higher values for screw strength(Pss, Pts), may be obtained by
<br /> screw. specifying screws from a specific manufacturer.
<br /> fi ,-"�! l/i�f� �l�+ta ylsr" .f-.r�';.�.; ;�^,`' �v". rc ."_..", r 3 :�.rr�vrf` .:f°'s x�r �� � '' �.y.'"`, �..
<br /> f�, ' f.; AI(owalit crew Connect1.on'C01P11'y([bs) , � � ,,
<br /> #6 Screw #8 Serer;; -"i5I 'IIIIIIIII3I110Screw #112 Screw A"Screw
<br /> Thickness Design Yed Tensile (Pee=643 Pas,Pis=419Ihs) (Pss=1278lbs,Pis=5361hs),(Pss=16447bs Pis=11581bs) (Pss=2330lbs,Pts=2325Ibs) (Pss=3048 lbs Pts 320ftbs)
<br /> (mils). Thickness (kw),. (kw) 0.138"dia,0.272"Head' 0.164"dia.0.272"Head 0.190"dia,0.340"Head 0.216"die,,0.340"Head 0.250 cha Od09 11pad._
<br /> Shear c Pull-Out(Pull•Over Shear:. Pull-Out Pull-Over Shear (Pull-Out Pull-Over Shear Pull-Out Pall-Over Shear 1 Pull•Dut Pull Ovef
<br /> 18 0.0188 33 33 44 24 84 48 29 84 52 I 33 105 55 38 105 60 4 44 127.
<br /> 27 0.0283 33 `:'33' 82. . .. 37 I 127 89 43 127.: 96 50 159 102 57::..:• 159 t 110:.:::;•":66• . .::191. •
<br /> 30 0.0312 33 33 95 40 1 140 103 48 140 111 55 175 118 63 175 127 73 211
<br /> 33 0,0346 33::•''.•45 151 61 140 164 72i•:•`. ,195::: :...177': 84 265 188 .. '.:' 265 203:': .i110 318i::'
<br /> 43 0.0451 33 45 214 79 140 244 94 195 263 109 345 280 Aar 345 302 144 415
<br /> 54. ...'0.0566 33. 45'... .:214;. 100: 140 344' I 118 .. 195 .370... :,',137 386 394 ' :::1 6 ''433 `':424'...`' :?:;180 . 521;::
<br /> 68 0.0713 33 45 214 125 140 426 149 195 523 173 386 557 196 545 600 227 656
<br /> 97.• . 0.1017:: ..33: • 45 214 140 140>, 426 195 195 548. 246 386 777 ::i280 775 1,016 324 936`i.'•
<br /> 118 0.1242 33 45 214 140 140 426 195 195 548 301 i 385 777 342 775 1,016 396 1,067
<br /> 54 . .0.0566 50 65 ;214 140; • r'.::140; ..::'426 i 17t'.i .:195 534 `;:.:198 I 386 569 r: ,.225.':;:625 :i 613 7;261i . `752` :.
<br /> 68 0.0713 50 65 214 140 140 426 195 195 548 249 386 777 284 775 866 328 948
<br /> 97 0.1017 50' "' 65 214 140 140.. 426 195'`.: 195 548 356 386 777,: '405' :z;:775 1,016 468 1,067::'
<br /> 118 01242 50 65 214 140 140 426 195 195 548 386 I 386 777 494 775 1,016 572 1,067
<br /> VV'eDd Capacities
<br /> Table Notes
<br /> 1. Capacities based on the AISI S100 Specification Sections E2.4 for 6. Transverse capacity is loading in perpendicular direction of the
<br /> fillet welds and E2.5 for flare groove welds. length of the weld.
<br /> 2. When connecting materials of different steel thicknesses or 7. For flare groove welds,the effective throat of weld is
<br /> tensile strengths, use the lowest values. conservatively assumed to be less than 2t.
<br /> 3. Capacities are based on Allowable Strength Design (ASD). 8. For longitudinal fillet welds,a minimum value of EQ E2.4-1,
<br /> 4. Weld capacities are based on E60 electrodes. For material E2.4 2, and E2.4-4 was used.
<br /> thinner than 68 mil, 0,030"to 0.035"diameter wire electrodes 9. For transverse fillet welds,a minimum value of EQ E2.4-3 and
<br /> may provide best results. E2.4-4 was used.
<br /> 5. Longitudinal capacity is considered to be loading in the direction 10.For longitudinal flare groove welds,a minimum value of
<br /> of the length of the weld. EQ E2.5-2 and E2.5-3 was used.
<br /> -/'f :1�`.r''' .��r' , � �f<.^ F .o' sa ��r ,•r �'' ��,,1.,er���
<br /> " , - v ,�i/�.al,ir. . _ - f q ,,y'.<..��r'f��� � ,. !,, ;. y l"
<br /> ,In
<br /> Thickness , ,. Design Fy Fu I Fillet Welds Flare Groove Welds;
<br /> Mils Yield Tensile i
<br /> ( ) 0;} �•y. uFckness (ksi) (ksi) Longitudinal Transverse Longitudinal I Transverse
<br /> 43 0.0451 33 45 499 ' 864 544 663
<br /> 68 0.0713 33 45 789 1365 859 1048
<br /> 97 : 0.1017.:.... ....•.:•.'-. :331::...'.;:.;1::'.:..'.;::'45:.r..:'::::'.'. ;.::.::.::.1125':;:.,.. , ..:...:.:::1269:.'.::.': . .. .....:., :t:...••.:::. :;:.:...::._?.). : : .,
<br /> 54 0.0566 50 65 905 1566 985 1202
<br /> 68 0.0713 50• • 65''.': •,. 1140 ' 1972. 1241 , 1514
<br /> 97 0.1017 50 65 1269 1269 •'
<br /> Weld capacity for material thickness greater than 0.10`requires engineering judgment to determine leg of welds, WI and W2.
<br />
|