Product Technical Guides : CA-EN Modular Systems Product Technical Guide | Page 39

3.0 MODULAR SUPPORT SYSTEM 3.1.2 MT BEAM AND COLUMN LOAD TABLES
Modular Support Systems Technical Guide, Edition 1
Table 25- MT-70 Allowable Beam Loads: X-axis and Y-axis Bending 1, 2, 3, 4, 5, 6
Span in( cm)
Max Allowable Uniform Load lbs( N)
Defl. At Max Uniform Load in( cm)
Uniform Loading at Deflection
Span / 180 lbs( N)
Span / 240 lbs( N)
Span / 360 lbs( N)
24
5,045
0.07
5,045
5,045
4,785
( 61.0)
( 22,440)
( 0.18)
( 22,440)
( 22,440)
( 21,280)
36
3,360
0.16
3,360
3,190
2,125
( 91.4)
( 14,945)
( 0.40)
( 14,945)
( 14,185)
( 9,450)
48
2,520
0.28
2,390
1,795
1,195
( 121.9)
( 11,205)
( 0.71)
( 10,630)
( 7,980)
( 5,315)
60
2,015
0.44
1,530
1,145
765
( 152.4)
( 8,960)
( 1.11)
( 6,805)
( 5,090)
( 3,400)
72
1,680
0.63
1,060
795
530
( 182.9)
( 7,470)
( 1.60)
( 4,715)
( 3,535)
( 2,355)
84
1,440
0.86
780
585
390
( 213.4)
( 6,405)
( 2.18)
( 3,465)
( 2,600)
( 1,730)
96
1,260
1.12
595
445
295
( 243.8)
( 5,600)
( 2.85)
( 2,645)
( 1,975)
( 1,310)
108
1,120
1.42
470
350
235
( 274.3)
( 4,980)
( 3.61)
( 2,090)
( 1,555)
( 1,045)
120
1,005
1.75
380
285
190
( 304.8)
( 4,470)
( 4.44)
( 1,690)
( 1,265)
( 845)
144
840
2.53
265
195
130
( 365.8)
( 3,735)
( 6.42)
( 1,175)
( 865)
( 575)
168
720
3.44
195
140
95
( 426.7)
( 3,200)
( 8.73)
( 865)
( 620)
( 420)
192
630
4.49
145
110
70
( 487.7)
( 2,800)
( 11.41)
( 640)
( 485)
( 310)
216
560
5.68
115
85
55
( 548.6)
( 2,490)
( 14.44)
( 510)
( 375)
( 240)
240
500
6.96
95
70
45
( 609.6)
( 2,220)
( 17.68)
( 420)
( 310)
( 200)
Table 26- MT-70 Allowable Column Loads 1, 2, 6, 7, 8, 9
Unbraced Height in( cm)
Max Allowable Load at Girder Face lbs( N)
K = 0.65 lbs( N)
Maximum Column Load Applied at C. G.
K = 0.80 lbs( N)
K = 1.0 lbs( N)
K = 1.2 lbs( N)
24
8,550
21,190
20,850
20,300
19,645
( 61.0)
( 38,030)
( 94,255)
( 92,745)
( 90,295)
( 87,385)
36
8,150
20,375
19,645
18,495
16,835
( 91.4)
( 36,250)
( 90,630)
( 87,385)
( 82,265)
( 74,885)
48
7,570
19,285
18,075
15,830
13,735
( 121.9)
( 33,670)
( 85,780)
( 80,400)
( 70,415)
( 61,095)
60
6,240
17,965
15,830
13,200
10,575
( 152.4)
( 27,755)
( 79,910)
( 70,415)
( 58,715)
( 47,035)
72
5,630
16,085
13,735
10,575
7,670
( 182.9)
( 25,040)
( 71,545)
( 61,095)
( 47,035)
( 34,115)
84
5,020
14,400
11,610
8,115
5,635
( 213.4)
( 22,325)
( 64,050)
( 51,640)
( 36,095)
( 25,065)
96
4,430
12,670
9,565
6,215
4,315
( 243.8)
( 19,705)
( 56,355)
( 42,545)
( 27,645)
( 19,190)
108
3,860
10,960
7,670
4,910
3,410
( 274.3)
( 17,170)
( 48,750)
( 34,115)
( 21,840)
( 15,165)
120
3,375
9,320
6,215
3,975
2,760
( 304.8)
( 15,010)
( 41,455)
( 27,645)
( 17,680)
( 12,275)
144
( 365.8)
2,630
( 11,695)
6,535
( 29,065)
4,315
( 19,190)
2,760
( 12,275)
**
Notes: 1. Loads are based on ICC-ES ESR-5019 and AISI S100-16, the North American
Specification for the Design of Cold-Formed Steel Structural Members. 2. Safety factors for flexure and compression are 1.67 and 1.80, respectively. 3. Allowable beam loads in table are given in total uniform load( W * Span) and based on a uniformly loaded condition with simply supported ends. For other loading and support conditions, see page 32 for applicable load and deflection modification factors.
4. Beams spans in table are assumed to be sufficiently laterally braced. Unbraced spans may reduce beam load carrying capacity. See page 49 for reduction factors for unbraced conditions.
5. Profile weight, 2.63 lbs / ft( 38.39 N / m) must be deducted from allowable beam load values.
6. Multiply tabulated load values by 1.5 to obtain Load and Resistance Factor
Design( LRFD) values. 7. C. G. is the‘ Center of Gravity’ of the cross section. 8. ** indicates KL / r for compression exceeds 200. 9. Maximum allowable load at girder face assumes K value of 0.8.
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