UFC 4-023-03
25 January 2005
Table F-2 Calculations for Tie Force Wood Member and Connection Design,
cont'd
Wall ties
Not required if
internal ties
connected to
peripheral tie
Peripheral
Use external wall header
Strap headers together;
Use USP KSTI248
with straps.
12 ga, 48 in long
Use USP KSTI248 12 ga, 48
Required tie force = 2.63
strap tie w/48 nails
in long strap tie w/48 nails,
kips
(See Figure F-4)
2x6 top plate factored
Capacity = 3.04 kips > 2.63
capacity = 16 kips >> 2.63
kips
kips
Strap on member top with 24
bend over at corners (verify
performance with vendor)
Vertical
Use floor "holdown" ties
Use USP TD15 holdown
Use USP TD15
spaced every 4th wall stud or
between floors,
holdown between
at columns,
3 ga, 52 in long, 3.5 in wide
floors,
bracket, double capacity
3 ga, 52 in long, 3.5
Required tie force = 1.5
allowed for double shear,
in wide bracket,
kips/ft; 8.25 kips required
every 4th stud
Capacity = 4.5(2) = 9 kips >
double capacity
8.25 kips
allowed for double
shear
Single 2x6 stud capacity =
(See Figure F-5)
16 kips > 8.25 kips
F-5
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