ICC ESR-3027 for Kwik HUS-EZ Screw Anchors in Concrete
Table Of Contents
ESR-3027
|
Most Widely Accepted and Trusted Page 16 of 20
TABLE 8—HILTI KH-EZ I AND KH-EZ E TENSION AND SHEAR DESIGN DATA FOR INSTALLATION IN THE UNDERSIDE OF
CONCRETE-FILLED PROFILE STEEL DECK ASSEMBLIES
1,6,7
Characteristic Symbol Units
Lower Flute Upper Flute
Nominal Anchor Diameter
1
/
4
3
/
8
1
/
4
3
/
8
Head Style
- -
Internally (I) Threaded and
Externall
y
(
E
)
Threaded
Internally
Threaded
Internally (I) Threaded and
Externall
y
(
E
)
Threaded
Internally
Threaded
Embedment
h
nom
in. 1
5
/
8
2
1
/
2
1
5
/
8
2
1
/
2
2
1
/
8
1
5
/
8
2
1
/
2
1
5
/
8
2
1
/
2
2
1
/
8
(mm) (41) (64) (41) (64) (54) (41) (64) (41) (64) (54)
Minimum Hole
Depth
h
o
in. 2 2
7
/
8
22
7
/
8
2
3
/
8
22
7
/
8
2 2
7
/
8
2
3
/
8
(mm)
(
51
)
(
73
)
(
51
)
(
73
)
(
60
)
(
51
)
(
73
)
(
51
)
(
73
)
(
60
)
Internal Thread
Diamete
r
-
in.
1
/
4
3
/
8
1
/
2
1
/
4
3
/
8
1
/
2
(mm) (6.4)
(9.5)
(12.7)
(6.4)
(9.5)
(12.7)
Effective
Embedment Depth
h
ef
in. 1.18 1.92 1.18 1.92 1.54 1.18 1.92 1.18 1.92 1.54
(mm) (30) (49) (30) (49) (39) (30) (49) (30) (49) (39)
Pullout Resistance,
(uncracked
concrete)
2
N
p,deck,uncr
lbf. 1,210 1,875 1,210 1,875 1,720 1,490 1,960 1,490 1,960 2,660
(kN) (5.4) (8.3) (5.4) (8.3) (7.7) (6.6) (8.7) (6.6) (8.7) (11.8)
Pullout Resistance
(cracked concrete
and seismic
loads)
3
N
p,deck,cr
lbf. 620 930 620 930 1,220 730 975 730 975 1,885
(kN) (2.8) (4.1) (2.8) (4.1) (5.4) (3.2) (4.3) (3.2) (4.3) (8.4)
Steel Strength in
Shea
r
4
V
sa,deck
lb
f
. 860 1,025 2,380 1,015 1,525 3,650
(kN) (3.8) (4.6) (10.6) (4.5) (6.8) (16.2)
Steel Strength in
Shear, Seismic
V
sa,deck,eq
lb
f
. 385 875 2,380 445 1,295 3,650
(kN) (1.7) (3.9) (10.6) (2.0) (5.8) (16.2)
For SI: 1 inch = 25.4 mm, 1 ft-lbf = 1.356 N-m, 1 psi = 6.89 kPa, 1 in
2
= 645 mm
2
, 1 lb/in = 0.175 N/mm.
1
Installation must comply with Sections 4.1.10 and 4.3 and Figures 11B, 11D, and 12 of this report.
2
The values listed must be used in accordance with Section 4.1.4 of this report.
3
The values listed must be used in accordance with Section 4.1.4 and 4.1.8.2 of this report.
4
The values listed must be used in accordance with Section 4.1.5 and 4.1.8.3 of this report.
5
The values for
p
in tension and the values for
sa
in shear can be found in Table 3 of this report.
6
For the
1
/
4
-inch-diameter (KH-EZ I) at 2-
1
/
2
inch nominal embedment the characteristic pullout resistance for concrete compressive strengths greater than 3,000
psi may be increased by multiplying the value in the table by (f'
c
/3,000)
1/2
for psi or (f'
c
/20.7)
1/2
for MPa.
7
For the
1
/
4
-inch-diameter anchors (KH-EZ I and KH-EZ E) at 1
5
/
8
-inch nominal embedment characteristic pullout resistance for concrete compressive strengths
greater than 3,000 psi may be increased by multiplying the value in the table by (f'
c
/3,000)
0.3
for psi or (f'
c
/20.7)
0.3
for MPa.
TABLE 9—HILTI KH-EZ, KH-EZ P, KH-EZ PM, KH-EZ PL, KH-EZ C AND KH-EZ E, SETTING INFORMATION FOR INSTALLATION ON THE
TOP OF CONCRETE-FILLED PROFILE STEEL DECK ASSEMBLIES.
1,2,3,4,5,6,7
DESIGN
INFORMATION
Symbol Units
Nominal Anchor Diameter
1
/
4
3
/
8
Effective
Embedment Depth
h
ef
in.
1.18 1.11
(mm) (30) (28)
Minimum concrete
thickness
h
min,deck
in. 2
1
/
2
2
1
/
2
(mm)
(64) (64)
Critical edge
distance
c
ac,deck,top
in.
4 3
(mm) (104) (76)
Minimum edge
distance
c
min,deck,top
in.
1
3
/
4
1
3
/
4
(mm)
(44) (44)
Minimum spacing s
min,deck,top
in. 3 3
(mm)
(76) (76)
For SI: 1 inch = 25.4 mm.
1
Installation must comply with Sections 4.1.10 and 4.3 of this report.
2
For all other anchor diameters and embedment depths refer to Table 1 for values of h
min
,c
min
and s
min
.
3
Design capacity must be based on calculations according to values in Tables 3 and 6 of this report.
4
Applicable for 2½-inch ≤ h
min,deck
<3
1
/
4
-inch. For h
min,deck
≥ 3
1
/
4
-inch, use setting information in Tables 3 and 6 of this report.
5
Minimum concrete thickness (h
min,deck
) refers to concrete thickness above upper flute.
6
Minimum flute depth (distance from top of flute to bottom of flute) is 3 inches.
7
Steel deck thickness must be minimum 20 gauge.