Table 4 — Hilti KCM-MD Short Plate and Long Plate tension design strength in the soffit of uncracked sand-lightweight concrete over metal deck ( B profile ) 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8
Upper flute per Figure 4A Lower flute per Figure 4C
Anchor
SP 1 / 4 ” -3 / 8 ”
SP 3 / 8 ” -1 / 2 ”
SP 3 / 8 ” -1 / 2 " -5 / 8 "
SP 5 / 8 ” -3 / 4 ”
LP 1 / 4 ” -3 / 8 ”
LP 3 / 8 ” -1 / 2 "
LP 3 / 8 ” -1 / 2 " -5 / 8 "
LP 5 / 8 ” -3 / 4 "
Nominal Embed . Depth in . ( mm ) f ́c = 3000 psi ( 20.7 MPa ) lb ( kN )
Tension - ФN n
f ́c = 4000 psi ( 27.6 MPa ) lb ( kN ) f ́c = 3000 psi ( 20.7 MPa ) lb ( kN )
Tension - ФN n
f ́c = 4000 psi ( 27.6 MPa ) lb ( kN )
1.88 2,910 3,360 605 700 ( 48 ) ( 12.9 ) ( 14.9 ) ( 2.7 ) ( 3.1 ) 2.13 3,610 4,170 635 735 ( 54 ) ( 16.1 ) ( 18.5 ) ( 2.8 ) ( 3.3 ) 2.63 4,580 5,290 695 805 ( 67 ) ( 20.4 ) ( 23.5 ) ( 3.1 ) ( 3.6 ) 2.65 4,580 5,290 ( 67 ) ( 20.4 ) ( 23.5 )
- -
1.96 2,910 3,360 2,910 3,360 ( 50 ) ( 12.9 ) ( 14.9 ) ( 12.9 ) ( 14.9 ) 2.21 3,610 4,170 3,610 4,170 ( 56 ) ( 16.1 ) ( 18.5 ) ( 16.1 ) ( 18.5 ) 2.71 4,580 5,290 4,580 5,290 ( 69 ) ( 20.4 ) ( 23.5 ) ( 20.4 ) ( 23.5 ) 2.72 4,580 5,290 4,580 5,290 ( 69 ) ( 20.4 ) ( 23.5 ) ( 20.4 ) ( 23.5 )
Table 5 — Hilti KCM-MD Short Plate and Long Plate tension design strength in the soffit of cracked sand-lightweight concrete over metal deck ( B profile ) 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8
Upper flute per Figure 4A Lower flute per Figure 4C
Anchor
SP 1 / 4 ” -3 / 8 ”
SP 3 / 8 ” -1 / 2 "
SP 3 / 8 ” -1 / 2 "" -5 / 8 "
SP 5 / 8 ” -3 / 4 ”
LP 1 / 4 ” -3 / 8 ”
LP 3 / 8 ” -1 / 2 "
LP 3 / 8 ” -1 / 2 " -5 / 8 "
LP 5 / 8 ” -3 / 4 "
Nominal Embed . Depth in . ( mm ) f ́c = 3000 psi ( 20.7 MPa ) lb ( kN )
Tension - ФN n
f ́c = 4000 psi ( 27.6 MPa ) lb ( kN ) f ́c = 3000 psi ( 20.7 MPa ) lb ( kN )
Tension - ФN n
f ́c = 4000 psi ( 27.6 MPa ) lb ( kN )
1.88 2,325 2,685 485 560 ( 48 ) ( 10.3 ) ( 11.9 ) ( 2.2 ) ( 2.5 ) 2.13 2,890 3,335 505 585 ( 54 ) ( 12.9 ) ( 14.8 ) ( 2.2 ) ( 2.6 ) 2.63 3,660 4,225 555 640 ( 67 ) ( 16.3 ) ( 18.8 ) ( 2.5 ) ( 2.8 ) 2.65 3,660 4,225 ( 67 ) ( 16.3 ) ( 18.8 )
- -
1.96 2,325 2,685 2,325 2,685 ( 50 ) ( 10.3 ) ( 11.9 ) ( 10.3 ) ( 11.9 ) 2.21 2,890 3,335 2,890 3,335 ( 56 ) ( 12.9 ) ( 14.8 ) ( 12.9 ) ( 14.8 ) 2.71 3,660 4,225 3,660 4,225 ( 69 ) ( 16.3 ) ( 18.8 ) ( 16.3 ) ( 18.8 ) 2.72 3,660 4,225 3,660 4,225 ( 69 ) ( 16.3 ) ( 18.8 ) ( 16.3 ) ( 18.8 )
1 See Section 3.1.8.6 to convert design strength value to ASD value . 2 Linear interpolation between concrete compressive strengths is not permitted . 3 Tabular value is for one anchor per flute . Minimum spacing along the length of the flute is 3 x h ef
( effective embedment ).
4 Tabular values are for normal weight or sand-light weight concrete . 5 No additional reduction factors for spacing or edge distance need to be applied . 6 Compare tabular value to the insert steel strength values in Tables 3A and 3B and threaded rod steel strength values in Table 10 . The lesser of the values is to be used for the design . 7 Tabular values are for static loads only . For seismic tension loads , multiply cracked concrete tabular values in tension by α N , seis
= 0.75 . See PTG ED . 19 , Section 3.1.8.7 for additional information on seismic applications . 8 For Hilti KCM-MD anchors , calculation of static and seismic concrete strength in shear is not required . See Tables 3A and 3B for shear calculations .
448 Anchor Fastening Technical Guide Edition 22 | 3.0 ANCHORING SYSTEMS | 3.3.16 KCM-MD CAST-IN ANCHOR Hilti , Inc . 1-800-879-8000 | en español 1-800-879-5000 | www . hilti . com | Hilti ( Canada ) Corporation | www . hilti . ca | 1-800-363-4458