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6-26-96 12:23PMj 541 746 0389
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I'HOJECT': Colburn Construct_lon
NUMBER: 96-~\vv DATE:
CALCULAflONS ~OR MODIFIED GARAGE
L DESCRIPTION; LOCATION:
"'-'
SOIL DATA backfill type:
unJt weight:
angle of repose:
allow lat. brg. at toe:
WALL DATA back!]ll he1ght:
heel wi<lLh:
toe wldth:
wall thickness:
footing thickness:
superlmposed load:
applled lateral loa~:
rONCRCTE:
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~03 720 .3G89,
Jun 25, 1996 SHEET NO.:
RETAINING WALL WITHOUT TOP SUPPORT
SIDE OF GARAGE
~ t 11;1
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g~anular f~ll (lmport as rq'd)
175 PCF
33.50 (rankine) (NO SURCHARGE)
400 PSF
].50 ft unit weight of caner 145 pcf
.33 ft
2 ft
8 in
8 in
50 PLF
SO # applled at 4 ft, above base
456
215
76
1071
311
338
483
462
50
206
500
2040
]
.00
1032
2939
2.85
2.20
.71
537
353
90
i~ 5
#' rq'd
#' rq'd
#' rq'd
#' rq'd
# (actual) requ~re
# wall
# foot1ng
# back!111
# superimposed struc~ures
# vert. component of lat. ids.
# slab
X coef. frtn e 0.35=
ft. at face of ftg
ft.(lat beg Q depth)
775
366
130
1826
# I de~agn
#' des.Lgu
#' deslgn
#' de~lgn
467 #
f'c: 2500 PSI wall bar #4 ph~~
fy: 60 KSI heel bar #4 Bl-
USES 2500 psi for design to avoid special inspections or
testing - uses 3500 psi for durability and watertIghtness
CALCULATED RESULTS:
wall base mom~nt:
wall 1/1 helght mom2nt:
heel moment:
toe moment:
slidlng:
dead loads:
totaJ dead loads:
lateral bearing:
JL1g dt base of footing:
excess or (shortage):
ovelLurnlng moment:
overturning resistance:
sa18ty foetor (Mc/Mo):
centroid of base pressure:
ecceIltl:~city about base:
fildX. pressure at toe:
pressure at heel:
CONCRETE DESIGN:
moment capacl.ty by formula: (.9)(fy)(rho)(b)(d-'2)(1-( .59)(rho)(fy/f'c)
wa 11 base moment capacity: 2244 # I heel capacl ty: 2244 #-'
1/3 lit. moment capacity: 2244 #' toe capacity: 2244 #'
rho (wall): .0027 rho (max): .0157
lho (1/3 ht): .0027 temp. stl: .0018 ffilD.
rho (heel): .0027
FOR WALL BASE STEEL USE: # 4 bars at
FOR 1/3 HT WALL STEEL USE: # 4 bars at
FOR HEEL STEEL USE: # 4 bars at
FOR HORIZONTAL STEEL IN WALL: 3 #4 bars
I~
VOR HORIZONTAL STEEL IN FTG: 3 #4 bars
rify wall capaclty with top restraint:(assume
moment: gg #' WA11
rho (wall): .0027
TOP CONNf.C'rTON USING 1/2" A.B. AT 300#
#'
#'
714 #
-100 #
o
64'1 #:
(does nOL use vertic3J component
of lateral loads tor overtUtnlng)
REQUIRES S.F. = 1.5
frm heel I/c= 1.00
base ar~a~ 1.00 ft/ft
ft
ft
#
#
18.17 In
18.17 Hi
18.17 in
@ 18 in
continuous
d= 4 in)
l'APrlr:ity: 2244
requin~d ~ 168
ALLOW. PER EACH: 50
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PRTUECT NO ')(,-IU.
PROJECT TITLE
COLBURN CONSTRUCTION
6923 IVY STREET. SPRINGFIELD, OR
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Branch Engtneerlng
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PROJECT TITLE
COLBU RN CONSTRUCTION
[,'1.0 hi 'I .(;r / SVC-lfJcrr.l~ltD ~_
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