Product Technical Guides : CA-EN Steel Deck Fastening Systems | Page 26

36/3
6''
Steel Deck Fastening Systems
914/3
36''
152 mm
1-1/2''
914 mm
38 mm
1.1 Steel Deck Fastener Design and Selection
EDN IMPERIAL
EDN
1.1.9 How to use Diaphragm Shear Tables
36/4
General: The following Product Technical
Guide Sections 1.2
to 1.6 provide Hilti fastener product 6'' technical data sheets and
36''
1-1/2'' the
pre-calculated diaphragm shear and stiffness
tables using
design equations provided in Section 1.1.8. Pre-calculated
diaphragm shear and stiffness tables are provided in two
formats.
36/5
Tables in Sections 1.2, 1.3 and 1.4 are
in a traditional design
format with diaphragm shear and stiffness
values within
6''
36''
1-1/2''
the table.
Tables in Section 1.6 are in a Hilti alternative format with cost
optimized Hilti frame fastener patterns, Hilti sidelap connector
(SLC) spacings and deck gauge for a given diaphragm shear
36/7
load demand. This alternative format provides a means
for quick reference in order to determine
cost optimized
6''
36''
1-1/2''
equivalent fastening solutions based on diaphragm shear
load only.
Steel Deck Fastening Systems
36/3
914/4
Traditional diaphragm
shear tables:
Sections 1.2, 1.3 and
1.4 provide tables
in 152
a format
similar to those published in
6''
mm
36''
914 mm
38 mm
the SDI DDM03, CSSBI
and most 1-1/2''
steel deck manufacturers'
catalogs.
As shown in Figure 18, these diaphragm shear tables are
generally created with span across the heading and sidelap
36/4
spacing along the
left margin or 914/5
column. Along with other
design variables
as mm
deck gauge and fastener pattern, the
6'' such
152
36''
1-1/2''
914 mm
38 mm
tables are populated with the corresponding
diaphragm
shear
and stiffness values.
152 mm
152 mm
The Structural Engineer searches through the various
combinations until a diaphragm shear and stiffness factor is
36/5
914/7
found that meet the design requirements.
6''
152 mm
Optimized diaphragm
shear tables:
36''
1-1/2''
914 mm Section 1.6
38 provides
mm
tables in an alternative format that helps a Structural Engineer
to quickly select a cost optimized Hilti frame fastener pattern,
Hilti
In all cases, diaphragm
shear
values
determined
using
either
1.2 Deck Fasteners for Attachment
to sidelap
Bar connector
Joist (SLC) spacing and deck gauge
combination to satisfy the diaphragm shear load requirement
table format are consistent.
36/7
36/9
914/9
found in the left column of the table (Reference Figure 19).
These tables do not take into account other design factors,
6'' based
These tables are
on diaphragm shear capacity only,
6''
152 mm
36''
1-1/2''
such as gravity or wind uplift loads. These
requirements
36''
1-1/2''
914 mm
38 mm
diaphragm
stiffness
must
be G', verified
Allowable
Stress Design
(ASD)
- Allowable Engineer.
Diaphragm Shears, S ASD , (plf) and Stiffness Factors,
(kips/in.) separately.
for
should be checked
separately
by the
Structural
152 mm
152 mm
Standard 1-1/2" Deep Flutes, 6" Center-to-Center Steel Deck (F y ≥ 33 ksi; F u ≥ 45 ksi) Installed with Hilti X-EDN19
or X-EDNK22 Fasteners with 36/9 or 36/7 End and Interior Support Fastener Patterns 1,2,3,4
Gage
Sidelap
Spacing
Hilti SLC 5,6
36" o.c.
24" o.c.
22
18" o.c.
12" o.c.
6" o.c.
36" o.c.
24" o.c.
20
18" o.c.
Span (ft - in.)
6'-0"
7'-0"
8'-0"
9'-0"
10'-0"
Fasteners Per Sheet To Support
36/9
36/11
914/11
9
7
9
7
9
7
9
7
9
7
9
7
9
7
S ASD
715
499
612
431
529
378
467
341
421
313
388
292
363
277
6''
152
mm
6''
G'
51.9
48.5
56.4
52.0
59.2
54.1
60.9
55.4
62.1
62.5
56.5
62.9
56.5
36'' 56.2
1-1/2''
714
mm
36''
38 mm
1-1/2''
S ASD
765
554
666
489
596
444
534
408
488
380
455
360
430
344
G'
52.9
50.2
58.1
54.5
61.6
57.5
64.1
59.6
65.8
61.0
67.1
62.1
68.0
62.9
S ASD
813
607
719
545
651
501
601
469
555
445
522
426
497
410
G'
53.8
51.5
59.5
56.5
63.7
60.2
66.7
62.9
69.0
64.9
70.9
66.7
71.9
68.0
S ASD
903
706
817
649
755
610
708
580
672
558
643
540
620
526
G'
55.2
53.5
61.7
59.6
66.7
64.3
70.7
68.1
74.1
70.9
76.3
73.5
78.7
75.8
S ASD
1123
941
1060
902
1014
874
980
853
952
837
931
824
760
760
36/11
G'
57.9
57.0
65.8
64.8
72.3
71.2
77.7
76.5
82.6
81.3
86.2
84.7
90.1
88.5
S ASD
948
668
815
581
715
517
635
468
575
432
528
403
495
383
G'
71.9
66.1
75.9
68.9
77.9
70.1
78.7
70.4 6'' 78.8
70.3
78.7
69.9
78.1
69.4
36'' 530
1-1/2''
1021
749
894
665
804
607
734
564
673
627
502
593
481
S ASD
G'
73.7
68.8
78.7
72.9
81.7
75.3
83.5
76.7
84.5
77.5
84.7
78.1
85.5
78.1
Steel Deck Fastening Systems
S ASD
1090
825
970
745
883
690
819
649
769
618
725
594
692
574
G'
75.2
70.9
81.3
76.3
84.7
79.4
87.7
82.0
89.3
83.3
90.9
84.7
91.7
85.5
S ASD
1218
964
1110
894
1032
844
973
808
927
779
891
757
861
739
G'
77.7
74.6
84.8
81.2
90.0
86.1
93.9
89.7
96.8
92.6
99.0
95.2
101.0
97.1
S ASD
1522
1288
1447
1241
1392
1183
1317
1164
1222
1149
990
990
Span = 1208
4'-0'' 1350
G'
82.5
80.9
91.9
90.2
99.4
97.5
105.4
103.4
110.4
108.4
114.9
112.4
117.6 116.3
R e c o m m e n d e d Hilti Powder-Actuated Frame Fastener Pattern - Sidelap Spacing Hilti SLC (in. o.c.)*
S ASD
1171
831
1010
724
895
651
800
593
726
548
669
513
623
485
24* with
3/16" ≤ 107.3
t f ≤ 3/8" 93.8 X-HSN
with 1/8" 103.1
≤ t f < 3/16"
with
G'
109.9 X-ENP-19
99.0
111.5 t f ≥ 1/4"
98.7
110.9
97.4 X-HSN
109.3
95.7
105.2 24* 91.7
90.1
S ASD
1266
935
1112
833
1003
763
921
712
855
672
798
641
752
614
20
ga. 116.8 18 ga.
16
ga. 106.3
22 ga. 117.5 20
ga.
18 ga. 105.3 22 115.5
ga.
20 ga. 114.9 18 103.1
ga.
G' 22 ga.
113.6
104.2
105.9
117.7
106.0
116.6
104.4
Factor
4'-0"
5'-0"
Figure 18: Excerpt of traditional diaphragm shear and stiffness factor table
12" o.c.
6" o.c.
Allowable
Diaphragm
Design
36" o.c.
Strength, plf*
S ASD 24" o.c.
S ASD
(seismic)
(wind)
Optimized Diaphragm Shear Tables 1.5
S ASD 36/3 -48
1355 36/3
1033
937
1106
1028 36/4
821
968
754
289
-48 1210
36/3 -48
36/3
-48 870
36/3 -48
-48
36/4 -48 784 36/4 920
-48
36/4 -48 881 36/4 730
-48
18 272 18" o.c.
G' 36/3 -48
117.6 36/3
108.7
112.4 36/3
123.5
125.0 36/4
114.9
114.9 36/4
125.0
114.9
291
309
-48 122.0
36/3 -48
-48 113.6
36/3 -30
-48 125.0
36/4 -48
-48
36/4 -48 123.5 36/4 114.9
-48
311
331
-48 1390
36/3 -48
-48 1068
36/3 -24
-48 1171
36/4 -48 991 36/4
-36
36/4 -48 1092 36/4 942
-48
S ASD 36/3 -42
1519 36/3
1211
1127 36/3
1296
1226 36/4
1024
1128
964
12"
o.c.
333
354
-48 128.9
36/3 -48
-48 125.7
36/3 -18
-48 137.6
36/4 -48
-24
36/4 -48 138.9 36/4 133.3
-48
G' 36/3 -30
122.0 36/3
116.3
121.7 36/3
133.1
135.8 36/4
128.3
130.2 36/4
138.8
131.6
356
379
36/3
-24
36/3
-48
36/3
-48
36/3
-48
36/4
-30
36/4
-48
36/4
-48
36/4
-20
36/4
-48
36/4
-48
S ASD
1519
1211
1390
1145
1296
1106
1243
1077
1205
1054
1175
1037
1150
1022
6" o.c. 406
381
36/3 -18
36/3 -48
36/3 -48
36/3 -48
36/4 -24
36/4 -48
36/4 -48
36/4 -18
36/4 -48
36/4 -48
G'
133.3
129.9
143.6
139.9
151.5 147.6
157.5
153.6
162.2
158.4
166.0
162.4
169.5 166.7
408
434
36/3 -14
36/3 -42
36/3 -48
36/3 -48
36/4 -18
36/4 -48
36/4 -48
36/4 -14
36/4 -48
36/4 -48
437
464 shear 36/4
-20 are for 36/3
-30
36/3
-48 deck to
36/3
-48
36/4 -14 ranging
36/4 -42
36/4 to -48
36/4
-12
36/4
-36
36/4 -48
1 Tabulated
diaphragm
values
attachment
of
steel
base
steel thicknesses
from 3/16"
3/8". For
attachment
to base
467 thicknesses
497
-18
36/3 shear
-20 values
36/3 for
-48
36/3 -48 fasteners
36/4 should
-12
36/4
-30
-48
36/5
-16
36/4 -24
36/4 -42
steel
less than 36/4
3/16",
diaphragm
the X-EDNK22
be
calculated
in 36/4
accordance
with Section
1.1.8
of
500
532
36/4
-14
36/3 -18
36/3 -36
36/3 -42
36/5 -18
36/4 -24
36/4 -48
36/5 -14
36/4 -20
36/4 -36
this
Product Technical
Guide
Supplement.
36/4 -18
36/4 -24
535
569
36/4 -12
36/4 -24
36/3 -24
36/3 -30
36/5 -14
36/4 -20
36/4 -42
36/9 -48
2 Tabulated ASD diaphragm shear loads are calculated with a safety factor (Ω) of 2.35 for wind loads. To calculate ASD values for load combinations
572
609
36/5 -16
36/4 -20
36/3 -20
36/3 -24
36/5 -12
36/4 -16
36/4 -30
36/9 -48
36/4 -14
36/4 -20
involving earthquake, multiply values in table by 2.35 and divide by a safety factor (Ω) of 2.50. Panel buckling has been checked.
612
651
36/5 -14
36/4 -18
36/3 -16
36/3 -18
36/9 -48
36/4 -14
36/4 -24
36/9 -30
36/4 -12
36/4 -18
3 At 655
diaphragm perimeter,
Hilti
frame
fasteners
should
be
spaced
at
identical
spacing
as
sidelap
connectors.
697
36/5 -10
36/4 -14
36/4 -24
36/3 -14
36/5 -8
36/5 -20
36/4 -20
36/9 -20
36/5 -18
36/4 -14
4 Interpolation
of diaphragm
shear
strengths
and
stiffness
factors
between 36/9
span
dimensions,
sidelap 36/4
spacings
deck -16
gauge. 36/5 -14
701
746
36/5 -8
36/4
-12
36/4
-20 is allowed
36/4 -24
-24
36/5 -16
-18 and 36/9
36/4 -12
750
798
36/5
36/5
36/4 -18
36/4 diaphragm
-18
36/9
-18 strengths
36/5 -12
36/5 factors
-24
36/9 -12
36/5 -12
36/5 -18
Alternatively,
use
calculations
as -7
discussed
in -16
Section 1.1.8
to determine
shear
and stiffness
directly.
36/9 -24
36/5 -14 per span
36/4 (SPS),
-14 use 36/4
-16
36/9
-14 SPS=((span,
36/9 -48 ft) x 12)/(SS,
36/5 -20 in.). Round
36/9 -10
36/9
-42
36/5 -14
5 To 802
convert from 854
sidelap spacing
(SS) to sidelaps
the following
formula:
up to the
next
859
914
36/9
-18
36/5
-10
36/5
-20
36/4
-12
36/9
-10
36/9
-42
36/9
-48
36/9
-8
36/9
-30
36/5 -12
whole sidelap connector.
919
977
36/9 -12
36/5 -8
36/5 -16
36/5 -18
36/9 -8
36/9 -24
36/7 -20
36/9 -7
36/9 -20
36/7 -16
6 For 18 gauge deck use S-SLC 02 M HWH. More information on Hilti Sidelap Connectors (SLC) can be found in Section 1.4.
983
36/9 -10
-7
36/5 -14
36/5 -14
-7
36/9 -20
36/9 -48
36/11-8
36/9 -16
-24
24 Hilti, Inc. (US) 1-800-879-8000
| 1046
www.us.hilti.com
I 36/5
en español
1-800-879-5000
I Hilti 36/9
(Canada)
Corp.
1-800-363-4458
I www.hilti.ca
I PTG 36/9
Decking
Supplement 2014
1052
1119
36/9 -8
36/5 -6
36/5 -10
36/5 -12
36/9 -6
36/9 -16
36/9 -48
36/11-7
36/9 -12
36/9 -20
1126
1197
36/9 -7
36/9 -16
36/5 -8
36/5 -10
36/11-7
36/9 -12
36/9 -30
36/11-6
36/9 -10
36/7 -10
1204
1281
36/9 -5
36/9 -12
36/5 -7
36/5 -8
36/11-6
36/9 -10
36/9 -20
36/9 -8
36/9 -12
Figure 19: Excerpt of optimized diaphragm shear table
152 mm
9
152 mm