Cut Sheet

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PERFORMANCE DATA
TECH MANUAL – MECHANICAL ANCHORS ©2015 POWERS – REV. G
Mechanical anchors
PerforMance daTa
Ultimate Load Capacities for Mini Dropin in Normal-Weight Concrete
1,2
Rod/Anchor
Size
d
in.
(mm)
Minimum
Embedment
Depth
h
v
in.
(mm)
Minimum Concrete Compressive Strength (f´c)
3,000 psi (20.7 MPa) 4,000 psi (27.6 MPa) 6,000 psi (41.4 MPa)
Tension
lbs.
(kN)
Shear
lbs.
(kN)
Tension
lbs.
(kN)
Shear
lbs.
(kN)
Tension
lbs.
(kN)
Shear
lbs.
(kN)
1/4
(6.4)
5/8
(15.9)
1,100
(6.3)
1,260
(5.7)
1,150
(5.1)
1,650
(7.4)
1,200
(5.3)
1,650
(7.4)
3/8
(9.5)
3/4
(19.1)
1,980
(8.9)
2,700
(12.2)
2,120
(9.5)
4,220
(19.0)
2,270
(10.2
4,220
(19.0)
1/2
(12.7)
1
(25.4)
3,360
(15.1)
4,400
(19.8)
3,360
(15.1)
4,875
(21.9)
3,750
(16.9)
4,875
(21.9)
1.Tabulatedloadvaluesareforanchorsinstalledinconcrete.Concretecompressivestrengthmustbeatthespecifiedminimumatthetimeofinstallation.
2.Ultimateloadcapacitiesmustbereducedbyaminimumsafetyfactorof4.0orgreatertodetermineallowableworkingload.
Allowable Load Capacities for Mini Dropin in Normal-Weight Concrete
1,2
Rod/Anchor
Size
d
in.
(mm)
Minimum
Embedment
Depth
h
v
in.
(mm)
Minimum Concrete Compressive Strength (f´c)
3,000 psi (20.7 MPa) 4,000 psi (27.6 MPa) 6,000 psi (41.4 MPa)
Tension
lbs.
(kN)
Shear
lbs.
(kN)
Tension
lbs.
(kN)
Shear
lbs.
(kN)
Tension
lbs.
(kN)
Shear
lbs.
(kN)
1/4
(6.4)
5/8
(15.9)
275
(1.2)
315
(1.4)
285
(1.3)
415
(1.9)
300
(1.3)
415
(1.9)
3/8
(9.5)
3/4
(19.1)
495
(2.2)
675
(3.0)
530
(2.4)
1,055
(4.7)
570
(2.6)
1,055
(4.7)
1/2
(12.7)
1
(25.4)
840
(3.8)
1,100
(5.0)
840
(3.8)
1,220
(5.5)
940
(4.2)
1,220
(5.5)
1. Allowableloadcapacitieslistedarecalculatedusingandappliedsafetyfactorof4.0.
2. Linearinterpolationmaybeusedtodetermineallowableloadsforintermediatecompressivestrengths.
Ultimate and Allowable Load Capacities for Mini Dropin Installed Through Steel Deck
into Lightweight Concrete
1,2,3
Rod/Anchor
Size
d
in.
(mm)
Minimum
Embed.
Depth
h
v
in.
(mm)
Lightweight Concrete Over Min. 20 Ga. Steel Deck.
f´c ≥ 3,000 psi (20.7 MPa)
Minimum 1-3/4” Wide Deck
Ultimate Load Allowable Load
Tension
lbs.
(kN)
Shear
lbs.
(kN)
Tension
lbs.
(kN)
Shear
lbs.
(kN)
1/4
(6.4)
5/8
(15.9)
740
(3.3)
1,880
(8.5)
185
(0.8)
470
(2.1)
3/8
(9.5)
3/4
(19.1)
880
(4.0)
2,040
(9.2)
220
(1.0)
510
(2.3)
1/2
(12.7)
1
(25.4)
1,380
(6.2)
2,120
(9.5)
345
(1.6)
530
(2.4)
1. ThemetaldeckshallbeNo.22gagetoNo.18gagethicksteel[0.030-inchto0.047-inchbase
metalthickness(0.75mmto1.20mm)].
2. Allowableloadcapacitieslistedarecalculatedusingandappliedsafetyfactorof4.0.
3. Tabulatedloadvaluesareforanchorsinstalledwithaminimumedgedistanceof7/8”when
installedthroughthelowerflute.Anchorsinstalledthroughtheupperflutemaybeinanylocation
providedtheproperinstallationproceduresaremaintained.
Min.
7/8"
(Lower
Flute)
Lower Flute (Ridge)
No. 18 – No.22 Gage Steel Deck Min.
Flute Edge
Upper Flute (Valley)
SAND-LIGHTWEIGHT CONCRETE OR NORMAL WEIGHT CONCRETE
OVER STEEL DECK (MINIMUM 3,000 PSI)
Mini Dropin
Anchor (Typ)
No Min. Edge
Distance
(Upper Flute)