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 Total Fabrications
Generic Truss
Light Duty
12" x 12"
12" x 18"

L truss.gif (22895 bytes)

SPAN (FEET) 5 10 15 20 25 30 35 40
UDL lbs 3647 3619 3592 2894 2266 1837 1524 933
DEFL in 0.014 0.111 0.375 0.727 1.136 1.636 2.227 2.235
CPL lbs 1214 1214 1186 1158 1131 919 792 467
DEFL in 0.008 0.060 0.202 0.475 0.921 1.336 1.832 1.874
TPL lbs 621 607 593 579 565 552 538 350
DEFL in 0.007 0.052 0.174 0.409 0.794 1.364 2.152 2.276
QPL lbs 614 605 596 587 566 459 381 233
DEFL in 0.009 0.071 0.240 0.566 1.083 1.561 2.128 2.145
Weight information
Length 10' 8' 5' 2 way block 3 way block 4 way block 5way block 6 way block
Weight 60 lbs 48.5 lbs 37.5 lbs 26.5 lbs 31 lbs 35.2 lbs 39.6 lbs 44 lbs

These figures are for trusses manufactured from 6061 Aluminum alloy by Total Fabrications, Inc.
and designed in accordance with the "Specifications for aluminum structures"
by the Aluminum Association, Inc

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Total Fabrications
Generic Truss
Medium Duty
20.5" x 20.5"
 Mtruss.gif (14711 bytes)

SPAN (FEET) 5 10 15 20 25 30 35 40 45 50
UDL lbs 6213 6179 6145 5532 4364 3575 3001 2562 2213 1927
DEFL in 0.007 0.055 0.186 0.401 0.626 0.902 1.228 1.603 2.029 2.505
CPL lbs 4926 4892 3728 2766 2182 1787 1500 1281 1107 964
DEFL in 0.009 0.070 0.181 0.323 0.506 0.731 1.000 1.313 1.673 2.079
TPL lbs 2463 2446 2429 2074 1637 1340 1125 961 830 723
DEFL in 0.007 0.060 0.201 0.410 0.640 0.921 1.253 1.636 2.069 2.553
QPL lbs 2472 2460 1864 1383 1091 894 750 640 553 482
DEFL in 0.010 0.083 0.214 0.381 0.596 0.859 1.171 1.531 1.940 2.399
Weight information
Length 10' 8' 5' 2 way block 3 way block 4 way block Concentric pivot
Weight 84 lbs 70.5 lbs 62 lbs 44 lbs 53 lbs 62 lbs 40 lbs

These figures are for trusses manufactured from 6061 Aluminum alloy by Total Fabrications, Inc.
and designed in accordance with the "Specifications for aluminum structures"
by the Aluminum Association, Inc

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Total Fabrications
Generic Truss
Heavy Duty
30" x 20.5"
 H truss.gif (40367 bytes)

SPAN (FEET) 10 15 20 25 30 35 40 45 50 55 60
UDL lbs 9658 9620 8425 6672 5489 4634 3983 3468 3049 2699 2400
DEFL in 0.038 0.127 0.265 0.414 0.596 0.811 1.059 1.341 1.655 2.003 2.384
CPL lbs 4883 4845 4213 3336 2745 2317 1992 1734 1524 1349 1200
DEFL in 0.030 0.102 0.213 0.333 0.481 0.658 0.863 1.097 1.361 1.656 1.983
TPL lbs 2442 2423 2403 2384 2059 1738 1494 1301 1143 1012 900
DEFL in 0.026 0.088 0.207 0.403 0.609 0.828 1.081 1.368 1.688 2.041 2.428
QPL lbs 2458 2445 2106 1668 1372 1159 996 867 762 675 600
DEFL in 0.036 0.122 0.252 0.394 0.567 0.773 1.010 1.280 1.582 1.916 2.284
Weight information
Length 10' 8' 5' 2 way block 3 way block 4 way block
Weight 88 lbs 73 lbs 60 lbs 53 lbs 62 lbs 70.5lbs

These figures are for trusses manufactured from 6061 Aluminum alloy by Total Fabrications, Inc.
and designed in accordance with the "Specifications for aluminum structures"
by the Aluminum Association, Inc

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Total Fabrications
Generic Truss
Par Truss
Single 26" x 15"
Double 26" x 30"

Par truss.gif (38097 bytes)

SPAN (FEET) 8 15 22 29 36 43 50 57 64
UDL lbs 6732 6670 6488 4812 3764 3036 2495 2071 1727
DEFL in 0.018 0.121 0.374 0.650 1.001 1.428 1.931 2.510 3.164
CPL lbs 4888 4826 3244 2406 1882 1518 1247 1036 863
DEFL in 0.021 0.139 0.301 0.526 0.817 1.175 1.604 2.107 2.688
TPL lbs 2444 2413 2382 1805 1411 1139 936 777 647
DEFL in 0.018 0.119 0.374 0.663 1.022 1.456 1.968 2.554 3.217
QPL lbs 2244 2223 1622 1203 941 759 624 518 432
DEFL in 0.023 0.152 0.356 0.619 0.955 1.365 1.849 2.409 3.045
Weight information Single Par
Length 10' 8' 5' 2 way block 3 way block 4 way block
Weight 75 lbs 55 lbs 40 lbs 33 lbs 40 lbs 46 lbs
Weight information Double Par
Length 10' 8' 5' 2 way block 3 way block 4 way block
Weight 121 lbs 90 lbs 64 lbs 55 lbs 66 lbs 77 lbs

These figures are for trusses manufactured from 6061 Aluminum alloy by Total Fabrications, Inc.
and designed in accordance with the "Specifications for aluminum structures"
by the Aluminum Association, Inc

 

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Thomas
General Purpose
GP 12" x 12"
Light Duty Truss

Length 20" 25' 30" 35' 40'
Max U.D,L 3300 lbs 2690 lbs 2070 lbs 1360 lbs 660 lbs
Max C.P.L 1650 lbs 1345 lbs 1035 lbs 680 lbs 330 lbs
Weight information
Length 10' 8' 5' 2' 6" 2 way block 3 way block 4 way block 6 way block Flat plate hinge section
Weight 55 lbs 46 lbs 35 lbs 24 lbs 15 lbs 17.5 lbs 19.5 lbs 26.5 lbs 14 lbs

U.D.L = Uniformly distributed load. C.P.L = Center point load
All Weights are in pounds.

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General Purpose
GP 12" x 18"
Th12x18.gif (12899 bytes)

Length 20' 25'